#Kinetic Vortex Flow

[flowmorepump]

A centrifugal pump is intended to transfer fluids using concentric force generated by the rotating motion of an impeller. It converts this mechanical operating energy into hydraulic energy. The mechanical energy induced by the turbo-engine transforms it into kinetic energy or the pressure of an incompressible fluid.

Definition of a centrifugal pump

A centrifugal pump is intended to transfer fluids using the concentric force generated by the rotating motion of an impeller. It converts this mechanical operating energy into hydraulic energy. The mechanical energy induced by the turbo-engine transforms it into kinetic energy or the pressure of an incompressible fluid.

How does a Centrifugal pump work?

You require having a perfect idea of the functioning principles of centrifugal pumps. It is for better comprehending and troubleshooting your industrial pumps. The elementary principle of operation of centrifugal pumps happens to be force vortex flow. This means that when a liquid body is acted upon by an external torque, it increases the pressure head of the rotating liquid. This increase in pressure is directly proportional to the speed of the liquid. So the pressure rise is higher at the propeller outlet, which causes the discharge liquid to have high pressure at the outlet. Because of this high pressure head, the displaced liquid happens to be lifted to high heights in a centrifugal pump system.

The high performance centrifugal pump

Features

High performance centrifugal pumps are designed to provide high efficiency, large pumping capacity, improved wear resistance and reduced maintenance. Flowmore high performance centrifugal pumps are all premium pumps, offering a wide range of options. Their solid and reliable construction is suitable for both the hygienic and industrial sectors.

Applications

High performance centrifugal pumps are found in petrochemical industries, refineries and power plants.

[okruchlodu]

The sorceress cursed sharply when he refused to follow (ever stubborn, some strange, feral wolf with strange, feral hungers), breath wheezing, screamed over the roaring of her magic thrumming in the air, and the seething, shrill growls of the demon that was gnashing its claws at the witcher with such furious, brutish violence, Yennefer scarcely knew how he had managed to escape its attacks: ❝ god dammit Eskel! no - get back here!❞ her voice breaking, a cold, sharp shard of ice.

The moon momentarily shone through the thinning clouds overhead. Stunned and quivering under the vast enormity of the Chaos summoned forth between her hands, Yennefer glimpsed an emaciated face turning towards her, clasped as though ensnared into a burial shroud; small, child-like, with shining green eyes. She gasped sharply, something dark and sour rising in her throat, clawing at her insides, and stood, trembling upon the hill, violet eyes aflame, blazing as she watched Eskel make his attacks; flashes of something distant and unreachable came to her (Ciri- always her, her, her) and she screamed and hissed through her spell, blue and red sparks flowing from her fingers.

The air vibrated and filled with the smell of ozone, intermingling with the foul smell of charred flesh and blood, thick and acidic, scorching the ground, black and dry. The earth below her feet shook violently, and she hissed, blood flowing from her nose and filling her mouth, every last ounce of her body straining and quivering as she maintained the casting, her portal swirling with great, vicious power in the midst of the woods as she continued to sustain it, using more of her Chaos and summoning forth her magic to make sure Eskel had time and chance enough to free whatever twisted, monstrous child the demon had taken possession of and he had deemed worth risking their lives for.

Her mind was blazing, a whirlwind of incoherent, rushing thoughts filling her head as she powerfully focused the whole of her being onto her magic, casting another spell to lead the horses through the portal as she watched Eskel cut off masses of writhing, twisted limbs, corrupted by dark magic; as time stretched on, she felt her blood rush through her veins coldly, razor-sharp and cutting, and she gasped, again and again through gulps of frenzied, shallow breaths, screamed her spell again, feeling something dark and depraved suddenly fight against the vortex of chaos flowing from her core- something was not right- something was... touching her, almost, she thought blankly; whatever twisted, depraved energy had cursed this child Eskel was meaning to free- was now beginning to intermingle with her magic, creating a net of furious, hissing energy that soon became kinetic, filling the air with brutal, knife-like pressure that spilled itself into Yennefer's very being, causing the enchantress to violently stumble backwards. With a start, and through the cacophony of power blazing all around them with agonizing, brutal force, she realized the child had been freed- the witcher was leaping towards her, howling like a wolf; she could not quite make out what he was saying but she knew it was time to flee this cursed place. Yennefer, face twisted with pain, cried out in a voice full of rage and power. The medallion the wolf wore about his neck trembled as though it were alive. Her portal vibrated powerfully, blazing, and she blindly run for it, blood flooding her mouth, sparks raining down upon them, as they leapt through it just as the dimeritium exploded, creating a vortex of furious, dark energy that sealed it shut, and they were spat through it with a bruising force onto some strange, cold, concrete floor, slick with rainwater.

Yennefer collapsed onto her knees, heaving. ❝ heavens, Eskel! ❞ she snapped breathlessly, coldly, violet eyes half glazed over as she shakily cast her gaze towards him, trying to regain her breath, small shoulders trembling. Through the mist blurring her vision, she searched for him and the child, something twisting in her belly, some strange, distant part of her she could not quite connect with at the moment hoping, furiously, desperately so, that he had made it: that the girl was, somehow, alive; yet, despite the agony, despite the pain stabbing at her core, she was on edge, blood pumping in her veins, expecting the very worst.

Eskel focused on severing the Ruehin's limbs while Yennefer unleashed a green magical firestorm on the horde of Necrophages... the likes of which he had never seen before... but he sure as hell did now, and smelled the cooking, foul meat all the while. Flash frying hundreds in an instant, and lighting up the forests of Malleore around them. His medallion remained permanently buzzing and shaking amid the plentiful outpouring of magic, and in the presence of the Ruehin alike. Even in the chaos it was a sweet relief, knowing he didn't have to contend with the Devourers as well, freeing up more of his focus for the Ruehin. During a lull in the fight as he focused on burning the severed arms that mutated, she summoned their red portal to escape with, grabbing his arm and shouting at him to retreat. Anger burned inside him... even as he agreed with her on some level of his wild, fearful thoughts. Wanted nothing more than to retreat through the portal with her. He saw the toll all the magic was taking on her. But looking back at the girl bound up in the Demon's remaining arms... one of her own arms had been freed and now reached out towards him... lips parting, trying to speak... but beseeching him all the same. She was still alive, on some level, for however long that had been, trapped with it. He knew then he could not leave another child destiny had placed on his Path, to suffer at the hands of more magical monsters. One girl's blood was on his hands as it were... he'd been trying to set things right ever since... maybe this was that way. He could not turn his back again, no matter how much he wanted to. He would not run away again. Instead, he pulled free of the bleeding Sorceress' grip, shouting back at her as he readied his rune encrusted sword again.

"Hold the portal and get the horses through! I'll get the girl myself and weaken the Ruehin! We'll never escape otherwise, it'll catch us! Only need a bit longer! Trust me! Destiny put me here for a reason! I'm not abandoning her to some Demon, as I did Deidre to Sabrina!"

The Witcher insisted loudly, before turning on the spot from her and charging back into the fray, focusing on slashing off the remaining arms latching on to the girl. Dodging, Aard blasting and setting fire to the severed limbs before they could mutate. He worked as fast as he could, in a frenzy, but even moving at blinding speed then it felt as though it lasted forever, dodging the flying, acidic blood and spit, and its strikes. Then, when he began to believe he would meet his death failing another girl... at last, he succeeded, slashing off the final arm and pulling the raggedy girl free of the thing, tossing her off to the side safely on the forest floor. Turning on the spot, he spun and charged back towards the Demon, moving as fast as he could, drawing the device from his belt that he had been holding off on using. Now or never. Its separation from the girl had stunned it alright... twitching... but already it was getting its second wind. Lighting up the Dimeritium Bomb's fuse, he threw the darkened metal shell down the hooded Ruehin's painfully baying, screaming, roaring gullet. Then, before it could detonate, spinning back around to where the girl lie shaking on the forest floor, he scooped up and threw her over his shoulder and ran back towards the raven haired Sorceress and the crimson portal, sprinting with all he had left. With his free hand he cast another powerful Yrden Sign behind them as they retreated through the trees, the glowing violet tendrils of magic seizing and binding the Ruehin skittering after them knocking the trees aside... slowing and harming it... it would not last long, he knew... but might long enough to delay it. Long enough to give two legs a chance over many. He shouted to the Sorceress as he drew closer to her position.

"Got her! Move it! Let's go! Through the portal, before the Dimeritium explodes!"

@okruchlodu

[kineticvortexflow]

"Don't look over the edge." #what #is #happening #to #me ? #video #haunted #hotel http://ift.tt/2EEG2YU

[12pt-times-new-roman]

y'all, the implications of Strixhaven spells existing in Exandria.......

Silvery Barbs. A very powerful reaction spell that imposes disadvantage on an enemy and gives advantage to an ally.

Borrowed Knowledge. A spell that gives you proficiency in a skill of your choice for 1 hour.

Kinetic Jaunt. Another very powerful bonus action spell that gives the following benefits: speed increased by 10 feet; movement does not provoke opportunity attacks; and you can move through the space of another creature and it does not count as difficult terrain.

Vortex Warp. The target must succeed a saving throw or be teleported to an unoccupied space within 90 feet of the caster.

Wither and Bloom. Deals necrotic damage to entities within a 10-foot radius, and one creature within that radius can immediately spend one hit die to regain hit points as if it had taken a short rest. Nonmagical vegetation in the area withers.

notably, every single one of these spells could be classed as dunamancy. Silvery Barbs and Borrowed Knowledge are akin to Fortune's Favor and Gift of Alacrity, involving the twisting of fate; Kinetic Jaunt is also akin to Gift of Alacrity, and could be flavored to manipulate the flow of time; Vortex Warp is akin to Reality Break and Ashton's space rage build, involving gravity and space; and Wither and Bloom is akin to Sapping Sting and Time Ravage, dealing necromantic damage by speeding up the passage of time.

so honestly? I think that's exactly what Matt did to get these spells to work within Exandria. Strixhaven is a very specific campaign setting and these spells, lore-wise, exist within that setting, so it wouldn't make sense to just copy and paste them into Exandria; but given what the spells do mechanically, they do fit extremely well with the existing lore and mechanics of dunamancy. so if these spells are classed or flavored in this way, I'd bet that it's indicative either of dunamantic magic spreading across the world outside of the Kryn Dynasty, or of dunamancy having already been present in societies outside of Wildemount. either way, very interesting IMO.

[art-now-usa]

Rhythm of Spring 51, Kenneth Grzesik

An organic flow of kinetic energy transformed into vibrant color structures like a living vortex as the hues of spring move with exquisite grace. Organics flow across the composition in jazz like rhythms. The creation of "Rhythm of Spring" involved a daily process of digitally photographing the blooming spring colors. Evenings were spent editing the images which were then fused into digital collages. Energy released by the sun is transformed into the magic of the living spring. After the sun crosses over the Tropic of Cancer the energy of life is aroused while colors and forms flow freely. A dynamic flow of rhythmic colors and forms express the magic of spring. The rhythm of spring flows effortlessly in time. Colors and forms blend in an energized flow. An organic flow of color and form undulate in a rhythmic fashion that alludes to the underlying energy of spring. A flow of spectral energetics move through the composition in an organic fashion. Undulant waves of vibrant color materialize as if by magic. The Rhythm of Spring Digital Image Series is a creative assemblage of color, form and visual rhythm. It was created from the living spectrum of colors marking the return of the vibrant life that is the season of spring. The original is printed on archival paper and signed by the artist.

https://www.saatchiart.com/art/New-Media-Rhythm-of-Spring-51/47782/1950939/view

[ven-uzumaki13]

A FROZEN DEVICE

In the middle of the Alpha 13’s centre room, a boy named Ven was in the kitchen making food for his friends Kree, Abby and Jake they were taking about what their next mission was until Abby brought up her past in joking manner saying, “Well my family thinks I'm a god or something” Kree then asked about Ven’s past “what about you Ven I couldn't find your proper file” Ven stop cutting carrots and leaned onto of the counter and says, “what my file said... that I was flouting in space for a thousand years with a celestial spirit inside me.” “so, nothing” Ven shortly followed up with “What about your name Ven that’s important... right.” Jake shouted across the room “Uzumaki...?” He whispered to himself “No I think it's all a gang now...” the glare in his eye fades “hmm what about you, Jake... those arms, are you ready...” Ven says with a knowing smile. Silence for just a moment until “yea...yea” he said staring at his metallic arms “it was that apollo game 2 years ago there was an attack everyone was running, screaming you know... I blacked out and woke up... with my arms gone they couldn’t find them; I lost my mom's bracelets they were everything... to me at least.” Jake then held his face crying, Abby who was sat next to him gave him a hug and held him “we have all lost something ether memories or families” Ven said trying to make the mood lighter “what about you Kree? How's your life.” “well, it's not that much better… my family was crushed in the same attack, Abby saved me.” Kree said holding back tears his green hair falling over his face.  

“I could have done better it's my fault.” Abby said with a deep angry in her voices, Kree and Abby arguing over who is to blame until Ven steps in “guys none of you are to blame it the ones who attacked... speaking of which did they catch them ye...” Ven is cut off by a large device smashing into the coffee table, covered in snow and ice, everyone jumps up and looks at it until it blinks away, Ven walks over and raises his wrapped hand and a wave of energy scans the table “This is new... a blink drive? hmm... we have them now?” Ven looking around at the others, Kree looking confused and says, “no we can't make it yet, were still decades away.” “Maybe it's not ours” Jake said standing from his seat, Ven eyes narrowed as he orders Jake to open a portal to the bridge of the eclipse, “thank you.” he says as he walked throw the portal.

The portal spins to existence in the rush of dust and lighting and as Ven walks out fairing his armour and helmet in a blaze of fire washing over his body his 2 red eyes breach the helmets tinted visor, staring at the captain, his white coat flows behind him as he says “Ven what are you doing?” “A blink drive just broke my coffee table and I'm here to find out more about it.” Ven says as his gun slowly materialises on his thigh “you're not going to use that?” the captain says raising an eyebrow “no” Ven says with a smile his helmet fades away his clothes returning to normal “so the blink drive was that you or?” Ven says looking around the empty bridge “no but we have tracked it to a planet not that far away I was about to call your team and then...” the captain pointing at Ven with his arms outspreaded “you and your team will be on the move in ten minutes.” the captain says this as Ven walks bye and goes back throw the portal, the rest of the team is watching kree spin his knife around his hands until Ven walks throw the portal and says, “ok the captain know where the device came from, get ready.” Ven and his team loaded into their ship the vanguard a smooth model curser class designed to get in and out and cause an explosion or 2, the ship was held in a small hanger just outside the communal area of the Alpha 13 command centre the ship engines turn on its clamps holding it in place released, and the ship started to fall into the deep void of space the vanguard meet up with 2 other ships before they jumped, it opened a chamber under the nose of the ship a slip-space cannon lowed itself and fired a single shot causing a large and loud opening to slip-space its edges violently trying to close the 3 ship enter the portal and it closes shortly after, the ship was shaking due to the energy bouncing of the hull “VIOLENT isn't it” Abby said fighting for control of the ship nav system, “OK when we land make sure that you’re wearing your cold-protection Armor” Ven said while putting on his coat, Jake starts to put on his vest until Ven says “Jake you'll need to cover your arms too, you don't want them freezing you won't be able to do much” Jake nods and grabs a bigger coat.

A slip-space portal opens with a grinding screech and loud blast of energy the purple vortex expands and 3 ships slowly crawl out and enter an orbit of a planet frozen in time, as the Vanguard was preparing to drop to the planet the other 2 ships would stay in orbit and bring backup if needed, the Vanguard’s engines turn on and it heads to the planet passing throw a snowstorm as large ice shards fall from the sky doges and narrowing missing the ship the Vanguard’s shield fairing changing from green to red, the ship passing throw the storm leaving a hole in the clouds revealing a white plane surface of snow with a small building the back hanger door of the Vanguard open and the ship spins to show the hanger, Ven, Abby, Kree and Jake all go to the hanger wearing there cold-protection Armor a gust of wind nocks Kree to his knee in reflex Kree grabs a railing as he is blinded by the snow, his eyes reeling in a small pain  to adjust to the snow “Kree” Ven yells as the wind blows by “are you ok” he continues the ships door reaches the snowy floor “okay everyone spread out try to find a door, it’s really cold”

Ven told the team on the radio the winds howl ringing in his ear, a static howl screeches throw the radio Ven concerned with this he jumps into the sky and a blast of energy is sent from his chest his eyes split like a dragon and can see 5 energy signals, 3 signals were intertwined almost dancing Ven realised there were fighting he calls this on the radio and the team charges the building Ven braking down from the roof the debris falling with him fire rising from the ground with him he looks up to see Abby who had delt with 2 unknown individuals “I expected something else, not going to lie” Ven said laughing a little “well I am an Alpha member Ven” Abby said with a smirk “yep” Ven said looking around the room “this place is really old” Ven said “yea these guys were tiring to delete some files they also tried to steal this" Abby handing Ven a smaller version of the blink drive “take this to the ship we need it” at this point Jake and Kree run throw an aged door slowly opening Jake uncovering his face from his red scarf “HURRY there are ships on the way, 40 of them" Jake gasping for breath.

Ven looking at Abby and says “go" as she starts running, “ok where're holding the line, none of them get to the Vanguard!” Ven ordering the rest of his team, Ven getting to the roof and can barely see the fleet of ships “scavengers” Ven whispered to himself as a large bright light is placed on top of the small stations hut the storm closes in and the hut’s lights fade into the dust and wind of the storm the presence of the ship cannot be forgotten the sounds of the engines were louder than the storm Ven blast the side of this ship it did not have shields Ven grind and jumped back down his entry hole “Jake I need a portal from lower orbit... I have a plan” Ven smiling as he puts on his helmet as Jake opens his portal the sky Infront of him he jumps, and dives throw while Ven was falling he was building up kinetic energy to part the clouds and allow a signal throw bringing the 2 ships in higher orbit as Ven is falling from the clouds Binary emerges from his shoulder in a small blaze of fire this small dragon says, “are you sure you can do this?” Ven nods does a spin and confuses his fall, Binary says “fine but hold on!" As she covers his in a flaming cloak of fire that tuns into a larger version of Binary they both breach the storm pashing the ships in a Blair but before Ven hits the ground he releases his built-up energy in a blast so powerful it pushes back the 40 ships along with the storm 26 of the scavenger's ships crashes into a frozen ocean of pure ice Ven’s blast had blown away all the snow around the hut making a makeshift wall.

The Vanguard spins up its engines and slowly flouts above the hut it weapons charged as the rest of the scavenger’s ship raise from the snow, the falling snow causes a mist under the ships the storm as its background and a loud horn can be heard as a hoard of smaller ships are launched “great they have attack ships now” Kree said holding his Eletronic swords hilt spinning around his hand and ignites his blades “the signal has been sent we have like 30 minutes” Jake said messing with a small panel “HOLD THEM OFF!” Ven said summoning his 9 spirit orbs, Ven them preforms a small hand sign interlocking his fingers and pushing them out launching a blaze of fire that transformed into Binary she then charges the largest ship latching on top of its hull ripping Armor pieces off until she can see the reactor of the ship, she tilts her back and blasts the ship with hell fire breaching the core and makes the ships engines explode dropping it to the snowy floor, Ven creating another hand sign to attack a different ship once binary is released Ven fly's up and forms a small sun in his hand he then throws it at a larger ship, Ven hit the ground and runs to attack a drop ship as he does the large ship flies over head and explodes as it hits the ground he raised his hand and fired a small blast witch destroys the drop ship in a ball of fire as he slides under a closing door of hut “11 left let get this done!” Ven calls over the radio.

Abby spinning the engines of the Vanguard and flies behind the rest of the fleet launching a barrage of missals a second horde of smaller ships start to chase the Vanguard, Abby realises and runs into the storm the horde follows her blindly, Kree blitzes throw a small group of scavengers until the Vanguard flies over head he throws his blade into a Scavengers head the lighting stored in the blade expels pushing back the rest of its group allowing him to grab his blade and kill the rest of the scavengers and run back to the hut “ok that’s like 3,4 ships maybe how's our backup going and where's Abby and the Vanguard?” Ven said loading his pistol “the backup ships are 2 minutes away and I think see flew back into the storm” Jake said with his face into a console “ok you fine here... right?” Ven asked “yes I'm fine go” Jake said trying to push him out of the room Ven grabs his helmet from the table and heads outside as Ven opens the main door a gust of wind hits him in the face and Kree is standing Infront of him and says, “alright what's the plan?” “we have 3 minutes until backup gets, here” Ven says holding up 3 fingers “so deal with that” Ven says pointing at a scavenger dreadnought.

Dreadnought pushing itself out of the storm “great, you said 3 minutes... right?” Kree said tired from fighting “ok yes let's try this” Ven said raising his hand pointing all 5 fingers towards the dreadnought, a small energy builds up on each of his finger and is released ripping throw the air the 5 beams intertwine and hits the dreadnought’s shield causing minor damage “great...” Ven said while his helmet folds into a cap and the smoke from his finger fades “that all you got...VEN” Kree said mocking Ven’s attack “do you want to try?” Ven said clenching his fist and a small flame emerging from it “nope do wana try punching it, that usually work” Kree said sliding down a wall, out of breath while Ven staired blankly at Kree tilting his head, Ven looking out into the snow-white ground the sky corrupted by the dreadnought presence he again tilts his head and notices a small crack in its shield and a small drone lacing it with an energy healing the ship “hmm that’s interesting” Ven said as Kree popped up from his small nap “What. Where. Who? oh hi... Ven what's happening” “Kree were you asleep really … anyway I found that the dreadnought has drones that heals the shield” Ven said while helping up Kree “get to the Vanguard and attack that ship with everything”.

Ven looking down at the ship he starts to run from the left side of the hut’s door he runs until the snow is built up too much to run so he jumps and starts to fly a blast of energy pushing him into his flite Ven lifts his right leg up to his chest and a second blast of energy pushes him faster the ships turrets start to aim at him, Ven pulls his arm and starts to attack the ship in a repetitive blast of fire, Ven releases binary to cover him while he charges a concentrated beam hiding himself inside the snow storm, Binary covering the ships shield in flames its turrets firing blindly throw it until the ship stops suddenly and turns to the storm pointing directly at Ven, the fire still raging on top of the shield the ship was detecting Ven inside the storm, the turrets aimed and fired into the storm until a bright white beam of light breaches throw the storm and charges towards the ship, the ship pushes itself up trying to dodge the blast but one of its engines stops, overloads and explodes stopping it from its escape then the blast hits its shield braking it under the weight shattering it too Pieces and all that remains from the dreadnought is a fire ball falling to the ground lighting up the storm.

Ven dropping to the snowy floor and as he walks to the hut he falls and laughs trying to breath before Ven can stand the Vanguard flies throw the storm and lands Infront of the hut a large ramp lowers from the back of the ship Abby and Kree walks out and points to Ven laughing in the snow and says “Jake is he okay? how long has he been like this?” “just a few minutes" Jake said leaning on the huts wall “WHERE ARE THOSE SHIPS, WE CALLED FOR!!!” Ven said getting up from the snow and brushing himself off, he then looks up into the shy to see both ships remains flying towards them “RUN!” Ven shouted ordering everyone into the ship as they prepare to take off, the remains catching fire from re-entering the atmosphere causing large explosions across the large empty snowy field the shockwaves shaking the ship as its engines push it into the sky, the clouds covering the bridge’s window until the Vanguard rocketing throw into orbit as the ship’s nose lowered to show 600 Scavenger ships surrounding the ship and its crew...

[vortextube1-blog]

vortex-tube

The vortex tube, likewise referred to as the Ranque-Hilsch vortex tube, is a mechanical device that divides a compressed gas right into cold and hot streams. The gas arising from the "hot" end can get to temperatures of 200 ° C (392 ° F), as well as the gas emerging from the "cool end" can get to ? 50 ° C (? 58 ° F). It has no moving parts. Pressurised gas is injected tangentially right into a swirl chamber and sped up to a high price of turning. As a result of the cone-shaped nozzle at the end of television, only the outer shell of the compressed gas is allowed to get away at that end. The rest of the gas is required to return in an inner vortex of decreased size within the external vortex. The thermal procedure in the vortex tube can be approximated in the following method: 1) The adiabatic expansion of the incoming gas, which cools the gas and turns its warm material into the kinetic energy of turning. The complete enthalpy, which is the amount of the enthalpy and the kinetic power, is preserved. 2) The peripheric rotating gas flow relocates in the direction of the hot outlet. Right here the heat recovery result happens between the swiftly revolving peripheric circulation and also the opposite slowly revolving axial flow. Right here the heat transfers from axial circulation to the peripheric one. 3) The kinetic power of turning becomes the heat by the methods of the viscous dissipation. The temperature of the gas climbs. As the complete enthalpy has actually been raised during the warm healing process, this temperature is greater than the incoming gas. 4) Several of the hot gas leaves the hot outlet, lugging away the excess warm. 5) The rest of the gas transforms in the direction of the cool electrical outlet. As it passes its method to the chilly outlet, its heat energy is transferred to the peripheric circulation. Although the temperature level at the axis and also at the perimeter is about the same everywhere, the turning is slower at the axis, so the overall enthalpy is lower as well. 6) The reduced overall enthalpy cooled down gas from the axial flow leaves the cool electrical outlet. The above equation is valid for an adiabatic turbine passage; it clearly reveals that while gas relocating towards the center is obtaining chillier the outer gas in the passage is "obtaining faster". Consequently, vortex air conditioning results from angular propulsion. The more the gas cools by reaching the facility, the much more rotational power it delivers to the vortex and hence the vortex rotates also much faster. This explanation stems straight from the regulation of power preservation. Pressed gas at area temperature is expanded in order to gain speed through a nozzle; it then climbs the centrifugal barrier of rotation during which energy is also shed. The lost energy is delivered to the vortex, which speeds its turning. In a vortex tube, the cylindrical surrounding wall surface confines the circulation at periphery and therefore forces conversion of kinetic right into internal power, which creates hot air at the warm leave. The vortex tube is a rotorless turboexpander. It consists of a rotorless radial inflow generator (cool end, center) and also a rotorless centrifugal compressor (hot end, periphery). The work outcome of the generator is converted into warm by the compressor at the warm end. This method relies on monitoring and experimental information. It is especially customized to the geometric form of the vortex tube as well as the information of its circulation and is made to match the specific observables of the complex vortex tube circulation, particularly disturbance, acoustic phenomena, pressure fields, air velocities as well as numerous others. The earlier released versions of the vortex tube are phenomenological. The phenomenological designs were established at an earlier time when the wind turbine equation of Euler was not extensively analyzed; in the engineering literary works, this equation is studied primarily to reveal the job output of a wind turbine; while temperature level analysis is not done given that generator air conditioning has more restricted application unlike power generation, which is the main application of wind turbines. Phenomenological studies of the vortex tube in the past have worked in providing empirical data. Due to the intricacy of the vortex flow this empirical strategy was able to reveal just aspects of the result yet was not able to clarify its operating concept. Devoted to empirical information, for a very long time the empirical researches made the vortex tube effect appear enigmatic and its explanation-- a matter of discussion. The vortex tube was developed in 1931 by French physicist Georges J. Ranque. It was rediscovered by Paul Dirac in 1934 while he was looking for a tool to do isotope splitting up, see Helikon vortex separation process. German physicist Rudolf Hilsch improved the style and published an extensively read paper in 1947 on the tool, which he called a Wirbelrohr (actually, whirl pipeline). In 1954, Westley published an extensive survey qualified" A bibliography and survey of the vortex tube", that included over 100 references. In 1951 Curley and also McGree, in 1956 Kalvinskas, in 1964 Dobratz, in 1972 Nash, and also in 1979 Hellyar [15] made vital payment to the RHVT literary works by their comprehensive evaluations on the vortex tube and its applications. From 1952 to 1963, C. Darby Fulton, Jr. acquired 4 U.S. patents connecting to the development of the vortex tube. In 1961, Fulton started producing the vortex tube under the firm name Fulton Cryogenics. Dr. Fulton marketed the business to Vortec, Inc. The vortex tube was used to separate gas blends, oxygen and also nitrogen, co2 as well as helium, co2 and also air in 1967 by Linderstrom-Lang. Vortex tubes likewise appear to deal with fluids somewhat, as demonstrated by Hsueh and Swenson in a research laboratory experiment where totally free body rotation takes place from the core and a thick border layer at the wall. Air is separated causing a cooler air stream appearing the exhaust hoping to cool as a refrigerator. In 1988 R. T. Balmer applied liquid water as the functioning medium. It was located that when the inlet pressure is high, for instance 20-50 bar, the heat power splitting up process exists in incompressible (liquids) vortex circulation. Note that this separation is only because of heating; there is no more air conditioning observed since cooling needs compressibility of the working fluid.

STREAMTEK Corp.

Our Social Page

facebook

twitter

youtube

[uavaerialphotography]

Spinner Ring Arm Slinkey Toy - Multi Color - Flow Rings Kinetic Spring Bracelet

Mesmerize everyone around you with this simple and amazing Spinner Ring Arm Slinkey Toy - Multi Color - Flow Rings kinetic spring Bracelet. It's super fun to play rolls down your arm and from one arm to another with this kinetic amazing 3d sculpture metal arm spinner toy. This flow rings work on the principles of science, galactic globe vertical vortex flow rings. This is very fun for kids to learn about springs, physics, energy and more. This educational toy will show off your skills and talent as it magically and effortlessly rolls down your arm, or stick, or any object. Place the kinetic toy ring on your arm and rolls down from one arm to another arm and watch the flow rings come to life in a galactic vertical vortex and effortlessly roll down your arm.

You can also get some exercise too while playing with this interactive, tactile, fun, flow ring kinetic spring toy, energy bracelet, slinky flow rings flow toys that is. It can use in a home, or in the office desk stress toy, or whether you're in a party, festival, fair or just hanging out with your friends to have fun, or just to fidget, relax and get relief from daily life stresses and anxieties. Let your kids have fun, excitement and play with it while exercising at the same time. The spinner flow ring kinetic toy, is another to fidget toys great educational toy for math and science students, for sensory kids, as a great toy for fidgeters reduce anxiety, helps in focusing and stay more focused by enhancing our focus, aid in adhd, add, autism, and helps in quitting bad habits and more.

Fascinate your audience and challenge your friends to play this game also you can play as a solo performer. The metal flow ring arm slinkey toy is easy to use. Challenge yourself to slide it down one arm and skilfully pass it on the other arm. This is portable compact size measures 5-inch diameter flat, almost 10 inches expanded includes a pouch for storage and travel. Pops open magically! It is easy to use, open, close and store. To expand from a closed position, just pull metal rings to open. To close hold between palms and gently rotate counterclockwise to flatten. Get your amazing kinetic spinner rings spinner ring arm slinkey toy in 3 Pcs random colors set flow rings now!

[flowmorepump]

Here, in this post, we answer all your questions about centrifugal pumps – the parts, working principles, advantages and more.

What is a Centrifugal Pump? Any pump - be it centrifugal, submersible or any other type - is used to transmit a liquid from a region of low pressure to a region of high pressure. A Centrifugal pump is a hydraulic machine that converts mechanical energy into hydraulic energy. It does so with the help of centrifugal force acting on the displaced fluid. The Different Parts of a Centrifugal Pump: The main parts of a centrifugal pump are: ●     Shaft ●     Impellers ●     Casing Shaft – This is the central part of the pump. It rotates the impeller connected to it. The shaft is attached to the prime mover to generate power. The shaft is fitted using a ball bearing. Impeller – It consists of several curved vanes. It is attached to the shaft of an electric motor. The impeller makes up the rotating part of the centrifugal pump. Generally, the impeller is enclosed within a watertight casing. Casing – This is a water-proof and air-tight passage outside the impeller. It is designed to convert the kinetic energy of the discharged water into pressure. The purpose of the casing is to act as protection. Types of Casings Used in Centrifugal Pumps: Volute Casing Also known as Spiral Casing, this surrounds the impeller. This casing is used to decrease the velocity of water, thereby increasing the water pressure. Vortex Casing This is a circular chamber between the impeller and the volute casing. The fluid first passes through the vortex casing and then through the volute casing. This helps in better conversion of the velocity energy into water pressure. Casing with Guide Blades These are casing blades that directly surround the impeller. How does a Centrifugal Pump Work? To better understand and troubleshoot your industrial pumps, you need to have a clear idea of the operating principles of centrifugal pumps. The basic principle of operation of centrifugal pumps is – force vortex flow. This means, when a body of liquid is acted upon by an external torque, it increases the pressure head of the rotating liquid. This increase in pressure is directly proportional to the velocity of the liquid. Thus, the rise in pressure is higher at the impeller outlet, causing the liquid to discharge at high pressure at the outlet. Because of this high-pressure head, the displaced liquid is lifted to high heights in a centrifugal pump system.

[okruchlodu]

Yennefer stumbled backwards from the force of her spell as she withdrew her Chaos from the child now slumped over in unnatural sleep, gasping. The Power had filled her like molten lead, pulsating and shimmering in her blood. The air around her, thrummed. She drew a shaky breath, and palmed at the swell of her chest, now heaving with every sharp, short breath as she regained her self composure. The stars in the sky rippled and flickered like stars reflected on the surface of the ocean. The moon, burning in the east, exploded with light.

She felt her throat close up, felt a numbness in her body, frost-cold and aching. She was furiously tired — exhaustion tugging at her frayed edges. There was a streak of blood splattered across her left cheek from the girl's hand, scratches down her neck from holding her down earlier. She shook her head and tossed a startingly violet look upon the Witcher, nodding her agreement, saying only, breathlessly, I know.

A vague glow had arisen on the horizon, far ahead of them, a shimmering, rippling vortex of blinding, unnatural light that seemed to be moving closer and closer with every passing hour. In the abrupt silence that enveloped the woods, Yennefer could sense something dark lurking in the shadows— the dark air around them thick and choking with it: foreboding, malicious. She breathlessly swept her gaze around them, her heart pounding frantically. Lightning sliced the sky, and in its flash the enchantress saw eyes, poison yellow and gleaming, on either side of them, hiding into the woods, laying in wait.

Trust me... Ready the horses — get the child. she decided, feeling gut-wrenching fear swell in her throat. There was no more time to lose: they had already been fighting for days now— she could not tell how many, a week? Mayhaps two. Time flowed differently here, in these woods, where nothing grew or lived but death itself and all its ancient rites and blood. She could sense the shift in the air as Eskel reached for the girl; she could almost taste it in her mouth, that boundless, endless darkness, calling to her, a vast, rippling whirlpool of strange, ancient forces that she could feel reaching for them, as though a knife to the throat. Something was stirring within her blood; reaching its claws and sinking into the body of her magic, that rippling, shimmering veil of Chaos from which she could draw the Force to cast her spells and magic.

A brilliant, powerful spark abruptly shot from her fingers, hand poised in the air like a claw, heat sent forth to crackle and rumble kinetically as she drew from the Force, gasping. Something was blocking the source of the power that was flowing like a stream throughout her veins, but she furiously cut right through it, crying out a spell.  The pendant upon her neck glowed a brilliant, blinding blue, its violent light reflecting in the violet of her eyes, now alight with seething, unbridled power.  Raven black curls flowed around her from the force of her spell, a display of a sorceress determined to get what she was after, enraged and in full power.  

The air around them hissed and rippled, burning furiously, as light began to slice the thick of the night, forming an irregular, flickering oval filled with an iridescent gleam. Something howled in the shadows, and the ground beneath their boots juddered and shook, the little hut upon the hill with it. She heard a window burst and explode from the forces thrumming all around them, heard the horses stomp their hooves violently upon the cold, hard ground, but she sustained the casting, gasping; she cast a brilliantly bright look back over at Eskel, said, now! I cannot hold it! as a malformed, warped portal swirled with fierce ferocity before them, drawing them on; there was something terribly twisted about it, contaminated; but Yennefer, intensely resolute and defiant, pressed on, drawing such vast, immense power from the Force that soon she was trembling under the immensity of its grasp upon her, summoning up every last ounce of it so that she could pierce the magical blockade and sustain the portal long enough for them to step through and out of this world made strange by whatever elusive dark magic was haunting the child.

Afterwards, there was a blinding light and a furious maelstrom, a blast which took her breath away and squeezed her ribs as they were suddenly sucked in with ferocious brutality and spat out onto the middle of a castle, crashing the tables pushed together in the middle of a grand hall where council was being held. Yennefer gasped and shot out her hand, crying out another spell and furiously transmuting the table beneath them into another portal for them to slip through and onwards. It all happened within seconds, a constant stream of boundless energy that sucked and drew them into its violent, swirling vortex. Bitter, frost cold darkness enveloped them, and they were spat out into the middle of a square.

Yennefer collapsed onto her knees, feeling her blood burn ice cold and frozen in her veins. She looked around her frantically, searching for the witcher and the girl. The village was eerily empty, the only sound greeting them, the far away chime of a bell as dawn broke over the skies.

They had at least escaped the woods, but the spell had devoured huge parts of her energy, leaving the sorceress numb and cold all over, her breathing quickened and shallow as she desperately tried to regain her strength so that she might stand.

Something was interfering with the natural currents of Chaos that flowed through the world around them; something was warping the channels through which the power of Elemental Planes permeated the material world, blocking the Force. Yennefer blinked at the child; even sank into slumber, the dark power within her was emanating forcibly. Could she be the cause of this?

She cast her gaze upwards, noticing the fierce, green light glowing ominously overhead,the same strange glow they had seen from the cabin, now dangerously closer. And yet it looked as though it was coming from somewhere far off and away into the distance, hanging over the Continent like a dark veil torn to shreds, pulsing, shimmering darkly. Yennefer stared at it then wordlessly met the witcher's gaze, a meaningful look passing between them despite the vicious ache pounding in her head, blurring her vision.

@wanderingwolfwitcher

Eskel's viper eyes remained trained on the shadowy Shriekers the dark magic had summoned... medallion humming wildly and bouncing against his armor... these were not the ordinary flesh and blood sort... but more like the Wraiths... and the past nights, he'd gotten used to fighting them... and already had years of experience doing so. He met them with rune encrusted silver sword and Signs alike, dancing among their ranks lashing out and striking them one by one, with the raven haired Sorceress pitching in now and again when she could with her own magic. His Yrden Signs ensnared some and blasted others with violet magical lightning, throwing them off to be cut down by his blade. When they fell screaming, their forms dissipated into shadow, and vanished altogether, one after another. Over it all Yennefer worked to keep the possessed child summoning them from escaping... her efforts getting more difficult from the sound of it. Picking up the pace as she requested, he slew the final Shriekers and watched their forms dissipate, the shadows retreating back out into the dark woods surrounding the cabin. With a breath, he spoke up, sheathing his silver sword again and muttering to himself.

"That's the last of the bastards... for now. Need to get the girl under control again..."

The Witcher made his way back to join the Sorceress on that note, medallion humming and buzzing the closer he drew to the girl, raising a hand and joining in on her magical outpouring... binding the girl in Yrden Signs again, casting a powerful Axii Sign to attempt to sooth her, and a Somne Sign to try to put her back to sleep. The Signs were losing some of their effectiveness on the possessed being, as the thing inside her grew stronger... but in combination with Yennefer's own magic, gradually began to do their job. The magic encased child sank back down to the floor slowly, closing her inky black eyes again... and before long was back to sleep, under control, the dark magic pouring from her receding again. Even so, it was close, too close... and the demon thing inside her probably knew that too, that it was close to achieving the inevitable, the longer the exorcism was put off, leaving it content to withdraw its hold, for the moment. Bide its time. Lowering his hand back down to his side, Eskel drew a breath where he knelt on the floor next to the girl, shaking his head, marred features looking back over the Sorceresses's way again with a grimace, deep voice speaking up to her again calmly.

"It's done. She's asleep, and they're gone, for now. Can't keep this up another night. This place is falling apart, will collapse in the next attack. If you have a plan to get out of here, and to Kaer Morhen for that exorcist, I'm all ears. Leaving on foot and horse don't seem to be working, at the moment."

@okruchlodu

[kineticvortexflow]

#please #help #us #sos #houston #texas #apocalypse http://ift.tt/2EKbiVt

[artandlivingenergy]

Superfluidity is the characteristic property of a fluid with zero viscosity which therefore flows without any loss of kinetic energy. When stirred, a superfluid forms vortices that continue to rotate indefinitely. In physics, the kinetic energy of an object is the energy that it possesses due to its motion. In fluid dynamics, a vortex is a region in a fluid in which the flow revolves around an axis line, which may be straight or curved,” WIKI. “Human beings, for example, stalk and eat all manner of plants, animals and birds, but we in turn are hunted and eaten by other animals as well as by bacteria and other tiny living things. Ultimately, of course, worms, bugs and plants will feed upon our bodies and help our mother, the earth, to digest us,” Forbes, from his book On Columbus and Other Cannibals. By the way, fluid dynamics mathematicians often love my art. I was always describing energy, from the first day. It seems to me that it would be that if arguments were against individualism, that it would divide a culture into thinking everyone were either an A or a B. The more consolidated the ideas are, the less spin, as if it stops the energy of both sides and creates the condition of superfluidity, like sections of the population are in zero viscosity, and their kinetic energy is yet undisturbed, but spin can be induced and little frustrated vortices will happen. Like angry people who are missing their motion but have their energy captured by ideas. Life is energy. Everything is energy. You are powerful and uniquely made. What we do with our energy makes up our life. With love from silence. Well wishes. https://www.instagram.com/p/B_7ZzUUnw-T/?igshid=17pc05jsxg68j

[art-now-usa]

Rhythm of Spring 58, Kenneth Grzesik

Chromatic energy entices the senses. An organic flow of kinetic energy is transformed into vibrant color structures like a living vortex as the hues of spring move with exquisite grace. Organics flow across the composition in jazz like rhythms. The creation of "Rhythm of Spring" involved a daily process of digitally photographing the blooming spring colors. Evenings were spent editing the images which were then fused into digital collages. Energy released by the sun is transformed into the magic of the living spring. After the sun crosses over the Tropic of Cancer the energy of life is aroused while colors and forms flow freely. A dynamic flow of rhythmic colors and forms express the magic of spring. The rhythm of spring flows effortlessly in time. Colors and forms blend in an energized flow. An organic flow of color and form undulate in a rhythmic fashion that alludes to the underlying energy of spring. A flow of spectral energetics move through the composition in an organic fashion. Undulant waves of vibrant color materialize as if by magic. The Rhythm of Spring Digital Image Series is a creative assemblage of color, form and visual rhythm. It was created from the living spectrum of colors marking the return of the vibrant life that is the season of spring. The original is printed on archival paper and signed by the artist.

https://www.saatchiart.com/art/New-Media-Rhythm-of-Spring-58/47782/1958379/view

[siva3155]

300+ TOP FLUID MECHANICS Multiple Choice Questions with Answers Pdf

FLUID MECHANICS Multiple Choice Questions :-

1. Pascal-second is the unit of a) pressure b) kinematic viscosity c) dynamic viscosity d) surface tension Ans: c 2. An ideal fluid is a) one which obeys Newton's law of viscosity b) frictionless and incompressible c) very viscous d) frictionless and compressible Ans: b 3. The unit of kinematic viscosity is a) gm/cm-sec2 b) dyne-sec/cm2 c) gm/cm2-sec d) cm2/sec Ans: d 4. If the dynamic viscosity of a fluid is 0.5 poise and specific gravity is 0.5, then the kinematic viscosity of that fluid in stokes is a) 0.25 b) 0.50 c) 1.0 d) none of the above Ans: c 5. The viscosity of a gas a) decreases with increase in temperature b) increases with increase in temperature c) is independent of temperature d) is independent of pressure for very high pressure intensities Ans: b

FLUID MECHANICS MCQs 6. Newton's law of viscosity relates a) intensity of pressure and rate of angular deformation b) shear stress and rate of angular deformation c) shear stress, viscosity and temperature d) viscosity and rate of angular deformation Ans: b 7. An open tank contains 1 m deep water with 50 cm depth of oil of specific gravity 0.8 above it. The intensity of pressure at the bottom of tank will be a) 4 kN/m2 b) 10 kN/m2 c) 12 kN/m2 d) 14 kN/m2 Ans: d 8. The position of center of pressure on a plane surface immersed vertically in a static mass of fluid is a) at the centroid of the submerged area b) always above the centroid of the area c) always below the centroid of the area d) none of the above Ans: c 9. The total pressure on a plane surface inclined at an angle 9 with the horizontal is equal to a) PA b) pA sin 9 c) pA cos 9 d) pA tan 9 where p is pressure intensity at centroid of area and A is area of plane surface. Ans: a 10. A vertical rectangular plane surface is submerged in water such that its top and bottom surfaces are 1.5 m and 6.0 m res-pectively below the free surface. The position of center of pressure below the free surface will be at a distance of a) 3.75 m b) 4.0 m c) 4.2m d) 4.5m Ans: c 11. Centre of buoyancy always a) coincides with the centre of gravity b) coincides with the centroid of the volume of fluid displaced c) remains above the centre of gravity d) remains below the centre of gravity Ans: b 12. If the weight of a body immersed in a fluid exceeds the buoyant force, then the body will a) rise until its weight equals the buoyant force b) tend to move downward and it may finally sink c) float d) none of the above Ans: b 13. Metacentric height for small values of angle of heel is the distance between the a) centre of gravity and centre of buoy-ancy b) centre of gravity and metacentre c) centre of buoyancy and metacentre d) free surface and centre of buoyancy Ans: b 14. A floating body is said to be in a state of stable equilibrium a) when its metacentric height is zero b) when the metacentre is above the centre of gravity c) when the metacentre is below the centre of gravity d) only when its centre of gravity is below its centre of buoyancy Ans: b 15. The increase in meta centric height i) increases stability ii) decreases stability iii) increases comfort for passengers iv) decreases comfort for passengers The correct answer is a) (i) and (iii) b) (i)and(iv) c) (ii) and (iii) d) (ii) and (iv) Ans: b 16. A rectangular block 2 m long, 1 m wide and 1 m deep floats in water, the depth of immersion being 0.5 m. If water weighs 10 kN/m3, then the weight of the block is a) 5kN b) lOkN c) 15 kN d) 20 kN Ans: b 17. The point in the immersed body through which the resultant pressure of the liquid may be taken to act is known as a) center of gravity b) center of buoyancy c) center of pressure d) metacentre Ans: c 18. If a vessel containing liquid moves downward with a constant acceleration equal to 'g' then a) the pressure throughout the liquid mass is atmospheric b) there will be vacuum in the liquid c) the pressure in the liquid mass is greater than hydrostatic pressure d) none of the above Ans: a 19. When a liquid rotates at a constant angular velocity about a vertical axis as a rigid body, the pressure intensity varies a) linearly with radial distance b) as the square of the radial distance c) inversely as the square of the radial distance d) inversely as the radial distance Ans: b 20. An open cubical tank of 2 m side is filled with water. If the tank is rotated with an acceleration such that half of the water spills out, then the acceleration is equal to a) g/3 b) g/2 c) 2g/3 d) g Ans: d 21. A right circular cylinder open at the top is filled with liquid and rotated about its vertical axis at such a speed that half the liquid spills out, then the pressure intensity at the center of bottom is a) zero b) one-fourth its value when cylinder was full c) one-half its value when cylinder was full d) cannot be predicted from the given data Ans: a 22. The horizontal component of force on a curved surface is equal to the a) product of pressure intensity at its centroid and area b) force on a vertical projection of the curved surface c) weight of liquid vertically above the curved surface d) force on the horizontal projection of the curved surface Ans: b 23. A closed tank containing water is moving in a horizontal direction along a straight line at a constant speed. The tank also contains a steel ball and a bubble of air. If the tank is decelerated horizontally, then i) the ball will move to the front ii) the bubble will move to the front iii) the ball will move to the rear iv) the bubble will move to the rear Find out which of the above statements are correct ? a) (i) and (ii) b) (i)and(iv) c) (ii) and (iii) d) (iii) and (iv) Ans: b 24. The eddy viscosity for turbulent flow is a) a function of temperature only b) a physical property of the fluid. c) dependent on the flow d) independent of the flow Ans: c 25. Flow at constant rate through a tapering pipe is i) steady flow ii) uniform flow iii) unsteady flow iv) non-uniform flow The correct answer is a) (i) and (ii) b) (i)and(iv) c) (ii) and (iii) d) (ii) and (iv) Ans: b 26. In a two dimensional incompressible steady flow around an airfoil, the stream lines are 2 cm apart at a great distance from the airfoil, where the velocity is 30 m/sec. The velocity near the airfoil, where the stream lines are 1.5 cm apart, is a) 22.5 m/sec. b) 33 m/sec. c) 40 m/sec. d) 90 m/sec. Ans: c 27. When the velocity distribution is uniform over the cross-section, the correction factor for momentum is a) 0 b) 1 c) 4/3 d) 2 Ans: b 28. Least possible value of correction factor for i) kinetic energy is zero ii) kinetic energy is 1 iii) momentum is zero iv) momentum is 1 The correct statements are a) (i) and (iii) b) (ii) and (iii) c) (i) and (iv) d) (ii) and (iv) Ans: d 29. If the velocity is zero over half of the cross-sectional area and is uniform over the remaining half, then the momentum correction factor is a) 1 b) 4/3 c) 2 d) 4 Ans: c 30. If velocity is zero over l/3rd of a cross-section and is uniform over remaining 2/3rd of the cross-section, then the correction factor for kinetic energy is a) 4/3 b) 3/2 c) 9/4 d) 27/8 Ans: c 31. The continuity equation pi V,A,= p2V2A2 is based on the following assumption regarding flow of fluid a) steady flow b) uniform flow c) incompressible flow d) frictionless flow where pi and p2 are mass densities. Ans: a 32. Which of the following velocity potentials satisfies continuity equation ? a) x2y b) x2-y2 c) cosx d) x2 + y2 Ans: b 33. The motion of air mass in a tornado is a a) free vortex motion b) forced vortex motion c) free vortex at center and forced vortex outside d) forced vortex at center and free vortex outside Ans: d 34. In a forced vortex motion, the velocity of flow is a) directly proportional to its radial distance from axis of rotation b) inversely proportional to its radial distance from the axis of rotation c) inversely proportional to the square of its radial distance from the axis of rotation d) directly proportional to the square of its radial distance from the axis of rotation Ans: a 35. Stream lines and path lines always coincide in case of a) steady flow b) laminar flow c) uniform flow d) turbulent flow Ans: a 36. Equation of continuity is based on the principle of conservation of a) mass b) energy c) momentum d) none of the above Ans: a 37. In steady flow of a fluid, the total accele ration of any fluid particle a) can be zero b) is never zero c) is always zero d) is independent of coordinates Ans: a 38. The pitot tube is used to measure a) velocity at stagnation point b) stagnation pressure c) static pressure d) dynamic pressure Ans: b 39. Hot wire anemometer is used to measure a) discharge b) velocity of gas c) pressure intensity of gas d) pressure intensity of liquid Ans: b 40. The theoretical value of coefficient of contraction of a sharp edged orifice is a) 0.611 b) 0.85 c) 0.98 d) 1.00 Ans: a 41. Which of the following is used to measure the discharge ? a) current meter b) venturimeter c) pitot tube d) hotwire anemometer Ans: b 42. Select the incorrect statement. a) The pressure intensity at vena contracta is atmospheric. b) Contraction is least at vena contracta. c) Stream lines are parallel throughout the jet at vena contracta. d) Coefficient of contraction is always less than one. Ans: c 43. Size of a venturimeter is specified by a) pipe diameter b) throat diameter c) angle of diverging section d) both pipe diameter as well as throat diameter Ans: a 44. Due to each end contraction, the discharge of rectangular sharp crested weir is reduced by a) 5% b) 10% c) 15% d) 20% Ans: a 45. The discharge through a V- notch varies as a) H1/2 b) H3'2 c) H5/2 d) H5'4 where H is head. Ans: c 46. Which of the following is an incorrect statement ? a) Coefficient of contraction of a venturimeter is unity. b) Flow nozzle is cheaper than venturimeter but has higher energy loss. c) Discharge is independent of orientation of venturimeter whether it is horizontal, vertical or inclined. d) None of the above statement is correct. Ans: d 47. Coefficient of velocity of venturimeter a) is independent of Reynolds number b) decreases with higher Reynolds number c) is equal to the coefficient of discharge of venturimeter d) none of the above Ans: c 48. The pressure at the summit of a syphon is a) equal to atmospheric b) less than atmospheric c) more than atmospheric d) none of the above Ans: b 49. Ay between two stream lines represents a) velocity b) discharge c) head d) pressure Ans: b 50. Coefficient of velocity for Borda's mouth piece running full is a) 0.611 b) 0.707 c) 0.855 d) 1.00 Ans: b 51. Coefficient of discharge for a totally submerged orifice as compared to that for an orifice discharging free is a) slightly less b) slightly more c) nearly half d) equal Ans: a 52. The major loss of energy in long pipes is due to a) sudden enlargement b) sudden contraction c) gradual contraction or enlargement d) friction Ans: d 53. Coefficient of contraction for an external cylindrical mouthpiece is a) 1.00 b) 0.855 c) 0.7H d) 0.611 Ans: a 54. Which of the following has highest coefficient of discharge ? a) sharp edged orifice b) venturimeter c) Borda's mouthpiece running full d) CipoUetti weir Ans: b 55. In a Sutro weir, the discharge is proportional to a) H1/2 b) H3/2 c) H5/2 d) H where H is head. Ans: d 56. The discharge over a broad crested weir is maximum when the depth of flow is a) H/3 b) H/2 c) 2 H/5 d) 2 H/3 where H is the available head. Ans: d 57. Which of the following statements is correct? a) Lower critical Reynolds number is of no practical significance in pipe flow problems. b) Upper critical Reynolds number is significant in pipe flow problems. c) Lower critical Reynolds number has the value 2000 in pipe flow d) Upper critical Reynolds number is the number at which turbulent flow changes to laminar flow. Ans: a 58. For a sphere of radius 15 cm moving with a uniform velocity of 2 m/sec through a liquid of specific gravity 0.9 and dynamic viscosity 0.8 poise, the Reynolds number will be a) 300 b) 337.5 c) 600 d) 675 Ans: d 59. The shear stress distribution for a fluid flowing in between the parallel plates, both at rest, is a) constant over the cross section b) parabolic distribution across the section c) zero at the mid plane and varies linearly with distance from mid plane d) zero at plates and increases linearly to midpoint Ans: c 60. If x is the distance from leading edge, then the boundary layer thickness in laminar flow varies as a) x b) x c) x d) x/7 Ans: a 61. Stanton diagram is a a) log-log plot of friction factor against Reynolds number b) log-log plot of relative roughness against Reynolds number c) semi-log plot of friction factor against Reynolds number d) semi-log plot of friction factor against relative roughness Ans: a 62. The depth 'd' below the free surface at which the point velocity is equal to the average velocity of flow for a uniform laminar flow with a free surface, will be a) 0.423 D b) 0.577 D c) 0.223 D d) 0.707 D where D is the depth of flow. Ans: b 63. The boundary layer thickness in turbulent flow varies as a) x"7 b) x,/2 c) x4/5 d) x3/5 where x is the distance from leading edge. Ans: c 64. The distance y from pipe boundary, at which the point velocity is equal to average velocity for turbulent flow, is a) 0.223 R b) 0.423 R c) 0.577 R d) 0.707 R where R is radius of pipe. Ans: a 65. If a sphere of diameter 1 cm falls in castor oil of kinematic viscosity 10 stokes, with a terminal velocity of 1.5 cm/sec, the coefficient of drag on the sphere is a) less than 1 b) between 1 and 100 c) 160 d) 200 Ans: c 66. In case of an airfoil, the separation of flow occurs a) at the extreme rear of body b) at the extreme front of body c) midway between rear and front of body d) any where between rear and front of body depending upon Reynolds number Ans: a 67. When an ideal fluid flows past a sphere, a) highest intensity of pressure occurs around the circumference at right angles to flow b) lowest pressure intensity occurs at front stagnation point c) lowest pressure intensity occurs at rear stagnation point d) total drag is zero Ans: d 68. With the same cross-sectional area and immersed in same turbulent flow, the largest total drag will be on a) a circular disc of plate held normal to flow b) a sphere c) a cylinder d) a streamlined body Ans: a 69. In which of the following the friction drag is generally larger than pressure drag? a) a circular disc or plate held normal to flow b) a sphere c) a cylinder d) an airfoil Ans: d 70. For hydro-dynamically smooth boundary, the friction coefficient for turbulent flow is a) constant b) dependent only on Reynolds number c) a function of Reynolds number and relative roughness d) dependent on relative roughness only Ans: b 71. The value of friction factor 'f' for smooth pipes for Reynolds number 106 is approximately equal to a) 0.1 b) 0.01 c) 0.001 d) 0.0001 Ans: b 72. For laminar flow in a pipe of circular cross-section, the Darcy's friction factor f is a) directly proportional to Reynolds number and independent of pipe wall roughness b) directly proportional to pipe wall roughness and independent of Reynolds number c) inversely proportional to Reynolds number and indpendent of pipe wall roughness d) inversely proportional to Reynolds number and directly proportional to pipe wall roughness Ans: c 73. Separation of flow occurs when a) the pressure intensity reaches a minimum b) the cross-section of a channel is reduced c) the boundary layer comes to rest d) all of the above Ans: c 74. The ratio of average velocity to maximum velocity for steady laminar flow in circular pipes is a) 1/2 b) 2/3 c) 3/2 d) 2 Ans: a 75. The distance from pipe boundary, at which the turbulent shear stress is one-third die wall shear stress, is a) 1/3 R b) 1/2 R c) 2/3 R d) 3/4R where R is the radius of pipe. Ans: a 76. The discharge of a liquid of kinematic viscosity 4 cm2/sec through a 8 cm dia-meter pipe is 3200n cm7sec. The type of flow expected is a) laminar flow b) transition flow c) turbulent flow d) not predictable from the given data Ans: a 77. The Prartdtl mixing length is a) zero at the pipe wall b) maximum at the pipe wall c) independent of shear stress d) none of the above Ans: a 78. The velocity distribution for laminar flow through a circular tube a) is constant over the cross-section b) varies linearly from zero at walls to maximum at centre c) varies parabolically with maximum at the centre d) none of the above Ans: c 79. A fluid of kinematic viscosity 0.4 cm2/sec flows through a 8 cm diameter pipe. The maximum velocity for laminar flow will be a) less than 1 m/sec b) 1 m/sec c) 1.5 m/sec d) 2 m/sec Ans: b 80. The losses are more in a) laminar flow b) transition flow c) turbulent flow d) critical flow Ans: c 81. The wake a) always occurs before a separation point b) always occurs after a separation point c) is a region of high pressure intensity d) none of the above Ans: b 82. The maximum thickness of boundary layer in a pipe of radius r is a) 0 b) r/2 c) r d) 2r Ans: c 83. The hydraulic grade line is a) always above the centre line of pipe b) never above the energy grade line c) always sloping downward in the direction of flow d) all of the above Ans: b 84. Two pipe systems are said to be equivalent when a) head loss and discharge are same in two systems b) length of pipe and discharge are same in two systems c) friction factor and length are same in two systems d) length and diameter are same in two systems Ans: a 85. In series-pipe problems a) the head loss is same through each pipe b) the discharge is same through each pipe c) a trial solution is not necessary d) the discharge through each pipe is added to obtain total discharge Ans: b 86. Select the correct statement. a) The absolute roughness of a pipe de-creases with time. b) A pipe becomes smooth after using for long time. c) The friction factor decreases with time. d) The absolute roughness increases with time. Ans: d 87. A valve is suddenly closed in a water main in wl.ich the velocity is 1 m/sec and velocity of pressure wave is 981 m/ sec. The inertia head at the valve will be a) 1 m b) 10m c) 100m d) none of the above Ans: c 88. The speed of a pressure wave through a pipe depends upon a) the length of pipe b) the viscosity of fluid c) the bulk modulus for the fluid d) the original head Ans: c 89. When time of closure tc = L/v0 (where L is length of pipe and v0 is speed of pressure wave), the portion of pipe length subjected to maximum head is a) L/4 b) L/3 c) L/2 d) L Ans: a 90. If the elevation of hydraulic grade line at the junction of three pipes is above the elevation of reservoirs B and C and below reservoir A, then the direction of flow will be a) from reservoir A to reservoirs B and C b) from reservoir B to reservoirs C and A c) from reservoir C to reservoirs A and B d) unpredictable Ans: c 91. The length of a pipe is 1 km and its diameter is 20 cm. If the diameter of an equivalent pipe is 40 cm, then its length is a) 32 km b) 20 km c) 8 km d) 4 km Ans: a 92. Two pipes of same length and diameters d and 2d respectively are connected in series. The diameter of an equivalent pipe of same length is a) less than d b) between d and 1.5 d c) between 1.5 d and 2d d) greater than 2d Ans: a 93. The horse power transmitted through a pipe is maximum when the ratio of loss of head due to friction and total head supplied is a) 1/3 b) 1/4 c) 1/2 d) 2/3 Ans: a 94. The boundary layer thickness at a distance of l m from the leading edge of a flat plate, kept at zero angle of incidence to the flow direction, is O.l cm. The velocity outside the boundary layer is 25 ml sec. The boundary layer thickness at a distance of 4 m is a) 0.40 cm b) 0.20 cm c) 0.10 cm d) 0.05 cm Assume that boundary layer is entirely laminar. Ans: b 95. Drag force is a function of i) projected area of the body ii) mass density of the fluid iii) velocity of the body The correct answer is a) (i) and (ii) b) (i) and (iii) c) (ii) and (iii) d) (i), (ii) and (iii) Ans: d 96. The correct relationship among displacement thickness d, momentum thickness m and energy thickness e is a) d > m > e b) d > e > m c) e > m > d d) e > d > m Ans: d 97. For laminar flow in circular pipes, the Darcy's friction factor f is equal to a) 16/Re b) 32/ Re c) 64/ Re d) none of the above where R,, is Reynolds number. Ans: c 100. Surge wave in a rectangular channel is an example of i) steady flow ii) unsteady flow iii) uniform flow iv) non-uniform flow The correct answer is a) (i) and (iii) b) (ii) and (iii) c) (i) and (:v) d) (ii) and (iv) Ans: d FLUID MECHANICS Objective Type Questions and Answers pdf free download :: Read the full article

[sweetcomputerface-blog]

Sumitomo Hydraulic Internal Gear Pump

Pumps are mechanical components that transport liquids or increase the pressure of liquids. It conveys the mechanical components of the prime mover or other external energy to the liquid, which increases the energy of the liquid.The pump is mainly used for transporting liquids such as water, oil, acid-base fluid, emulsion, suspending emulsion and liquid metal. It can also transport liquid, gas mixture and liquid containing suspended solids.Pumps can generally be divided into three types according to their working principles: volumetric pumps, power pumps and other types of pumps. Besides classifying according to working principle, it can also be classified and named in other ways.

For example, according to the driving method can be divided into electric pumps and water wheel pumps; according to the structure can be divided into single-stage pumps and multi-stage pumps; according to the use can be divided into boiler feed water pumps and metering (weighing) pumps; according to the nature of liquid transport can be divided into water pumps, oil pumps and mud pumps.There is a certain interdependence between the various performance parameters of the pump, which can be expressed by drawing a curve, called the characteristic curve of the pump. Each pump has its own specific characteristic curve.

Mechanical elements that transport liquids or increase pressure on liquids. Pumps in a broad sense refer to mechanical components that transport fluids or increase their pressure, including some mechanical components that transport gases. Pumps transfer the energy of mechanical components or other energy sources of the prime mover to the liquid, which increases the energy of the liquid.

There are many kinds of pumps. According to their working principles, they can be divided into:

(1) power pumps, also known as impeller pumps or vane pumps, depending on the dynamic action of rotating impellers on liquid, the energy can be continuously transmitted to liquid, so that the kinetic energy (mainly) and pressure energy of liquid can be increased, and then the kinetic energy can be transformed into pressure energy through the extrusion chamber, which can also be divided into centrifugal pumps, axial flow pumps, partial flow pumps and rotary ones. Vortex pump and so on. (2) Volumetric pumps, depending on the periodic change of the volume of the sealed working space containing liquid, transmit energy periodically to the liquid, so that the pressure of the liquid can be increased to forced discharge of the liquid, and can be divided into reciprocating pumps and rotary pumps according to the movement form of the working elements. (3) Other types of pumps transmit energy in other forms. For example, jet pump relies on high-speed jet working fluid to suck the fluid to be transported into the pump and mix it, and exchange momentum to transfer energy; water hammer pump uses part of the water flowing during braking to transfer energy to a certain height; electromagnetic pump refers to the liquid metal flowing under the action of electromagnetic force to realize transportation. In addition, pumps can also be classified according to the nature, driving method, structure and use of transporting liquids.

Sumitomo hydraulic lnternal gear pump also has high-pressure type, the cleanliness of oil is not very high, can be used in the case of speed change. It depends on the actual situation. Gear pump is not sensitive to oil pollution, but the pressure rise is not too high, generally below 21 Mpa, mainly due to the structure limitation, the side leakage of gear pump is a big problem, there are two kinds of structures, one is that the side plate is not backpressure, if the pressure rises, it will leak oil from the side plate, the other is to introduce pressure on the side of the gear, pressure to the gear, which can withstand greater pressure than the former. Force, this structure seems to have originated in the United States. Relatively speaking, it is simple in structure, convenient in maintenance and insensitive to oil pollution. It is a good choice if it is used in a system of about 21Mpa.

Working Principle: Hydraulic lnternal gear pump: Hydraulic gear pump relies on the change and movement of working volume between pump cylinder and meshing gear to transport liquid or pressurize the rotary pump. The structure of external meshing double gear pump, a pair of meshing gears and pump cylinder separates the suction chamber from the discharge chamber. When the gear rotates, the volume between the teeth of the side gear of the suction chamber increases gradually, the pressure decreases, and the liquid enters the teeth under the action of pressure difference.

Sumitomo Hydraulic Lnternal Gear Pump

[updatebeltroad-blog]

SC Series Impact Crusher

The SC series impact crusher adopts the inter particle crushing principle. During the natural falling process, the materials collide with the materials accelerated by the impeller under the action of high-speed centrifugal force, resulting in high-speed impact and high-density pulverization. And it forms multiple blows, rubs, smashes, and then directly discharges from the lower part.

Characteristics of SC Series Impact Crusher:

1. Novel structure, unique and stable operation.2. Low energy consumption, high output and large crushing ratio.3. Small size, easier operation, convenient installation and maintenance.4. Shaping and sand-making function, cubic product, lower sheet rate.5. Bulk density, little iron pollution.

Vertical Impact Crusher Structural Features

Structural Features of Vertical Impact Crusher Manufacturer Here we introduce the structural characteristics of the vertical impact crusher. It consists of the motor, transmission, spindle assembly, impeller, feed hopper, distributor, vortex breaking chamber, base, The lubricating device is composed of several parts. In order to facilitate reading, his structure is divided into small sections to introduce:(1) Transmission device (including motor) adopts double-motor or single-motor drive belt transmission mechanism. Two motors driven by two motors are respectively installed on both sides of the main shaft assembly. The two motor belt pulleys are connected with the main shaft pulley to make the main shaft. The sides are balanced and no additional torque is generated. The single-motor drive spindle is subjected to a single-side force to generate additional torque. When the motor power is above 55 kW (single motor power), it is recommended to use a dual-motor drive.(2) Spindle assembly: The spindle assembly is mounted on the base to transmit the power transmitted by the V-belt from the motor and to support the rotary motion of the impeller. The spindle assembly is composed of a bearing housing, a main shaft, a bearing, and the like.(3) Impeller: The impeller structure is a hollow cylinder, which is mounted on the upper end of the main shaft assembly. The conical sleeve and the key joint are used to transmit torque and rotate at high speed. The impeller is a key component of the PL vertical impact crusher. The mineral raw material enters the center of the impeller from the central feed pipe of the upper part of the impeller. The material is evenly distributed from the cloth cone in the center of the impeller to the respective emission streams of the impeller, and the exit of the launching channel is installed, and the wear-resistant block made of special material is installed. The wear block can be replaced after being worn, and the impeller accelerates the material to 70~ The speed of 100 m / s is thrown out, impacting the ore bed in the vortex breaking chamber, and undergoing strong self-pulverization.(4) Feeding hopper: The structure of the feeding hopper is an inverted prismatic body, and the feeding port is provided with a wear ring, and the incoming material from the feeding device enters the crushing machine through the feeding hopper.(5) Dispenser: The distributor is installed in the upper part of the vortex crushing chamber, and its function is to divert the material from the feeding hopper, so that a part of the material is directly accelerated into the impeller by the central feeding tube and is gradually accelerated to a higher speed to be ejected. The material is bypassed into the outer side of the impeller in the vortex crushing chamber from the outside of the central pipe, and is impacted and broken by the high-speed material ejected from the impeller, without increasing the kinetic energy consumption, increasing the production capacity and improving the crushing effect.(6) Vortex breaking chamber: The structure of the vortex breaking chamber is an annular space composed of upper and lower cylinders, and two holes are opened in the upper and lower cover plates of the lower cylinder, the upper part is connected with the cylinder body, and the lower part is connected with the discharging port. The impeller rotates at high speed in the vortex breaking chamber, and the material in the vortex breaking chamber can also reside in the material bed layer. The crushing process of the material occurs in the vortex breaking chamber, and the crushing action and the eddy crushing chamber are formed by the ore bed. The walls are separated so that the crushing effect is limited to between the materials and acts as a wear-resistant self-lining. An observation hole is arranged on the upper cylinder cover plate to observe the wear condition of the wear block at the launching port of the impeller flow passage and the wear condition of the top lining plate of the vortex crushing chamber, and the observation hole must be tightly sealed when the crusher works. The distributor is fixed to the upper cylindrical section of the vortex breaking chamber. The airflow generated by the high-speed rotation of the impeller forms an internal airflow self-circulation system through the distributor and the impeller in the vortex crushing chamber.(7) Base: the vortex breaking chamber, the spindle assembly, the motor and the transmission are all mounted on the base, and the middle of the base is a quadrangular space for mounting the spindle assembly and forming a discharge channel on both sides of the quadrangular space. . The dual motors are mounted on the longitudinal ends of the base, and the base can be mounted on the bracket or directly on the foundation.(8) Bracket: According to the different working places of the crusher---open-air operation or indoor operation, the user can consider configuring the bracket or not configuring the bracket.(9) Lubrication system: It is lubricated with molybdenum disulfide dry oil. The lubrication part is the upper bearing and the lower bearing of the main shaft assembly. In order to facilitate oil filling, the machine uses the oil pipe to lead the oil cup to the outside of the machine, and regularly refuels with a dry oil pump. A general understanding of the factors affecting the production capacity of the impact crusher. Generally speaking, there are many factors affecting the production capacity of the impact crusher. Generally speaking, there are five factors. I will describe the five factors and propose corresponding solutions.1. Hardness of the material: The harder the material is, the more difficult it is to sand, and the more severe the wear on the equipment. Sand production is slow and low in ability. Therefore, we need to pay attention to the selection of materials.2. The fineness of the material after crushing of the impact crusher: the fineness requirement is high, that is, the finer the material required to make the sand, the smaller the sand making ability. In this regard, specific requirements are required. If there is no special requirement, the fineness of the material is generally set to medium and fine.

Scope of application

1. Artificial sand making of river pebble, rock (limestone, granite, basalt, diabase, andesite, etc.), ore tailings, and stone chips.

2. Production of aggregates, road fabrics, cushioning materials, asphalt concrete and cement concrete aggregates.

3. In the engineering field, water conservancy and hydropower, high-grade highways, highways, high-speed railways, passenger dedicated lines, bridges, airport runways, municipal works, high-rise buildings, sand production and stone shaping.

4. In the mining field, the fine crushing process in the front stage of grinding, materials in the building materials, metallurgy, chemical, mining, refractory materials, cement, abrasives and other industries are broken.

5. High abrasiveness and secondary disintegration and crushing, environmental protection projects such as sulfur removal, steel slag and construction waste crushing in thermal power and metallurgical industries.

6. Production of glass, quartz sand and other high purity materials.

Folding factors affecting production capacity

Generally speaking, there are many factors affecting the production capacity of the impact crusher. Generally speaking, there are five factors. I will describe the five factors and propose corresponding solutions.

1. Hardness of the material: The harder the material is, the more difficult it is to make sand, and the more severe the wear on the impact crusher. Sand production is slow and low in ability. Therefore, we need to pay attention to the selection of materials.

2. Composition of the material: The more fine powder contained in the material before the impact crusher, the more the sand is affected, because these fine powders tend to adhere and affect the transportation. Therefore, materials with a high content of fine powder should be sieved once in advance. The fine powder should be filtered out of the material as much as possible so as not to affect the normal operation of the impact crusher.

3. The fineness of the material after crushing of the impact crusher: the fineness requirement is high, that is, the finer the material required to make the sand, the smaller the sand making ability. In this regard, specific requirements are required. If there is no special requirement, the fineness of the material is generally set to medium and fine.

4. The viscosity of the material: that is, the greater the viscosity of the material, the easier it is to adhere. The material with high viscosity will adhere to the inner wall of the sand making chamber in the impact crusher. If it cannot be cleaned in time, it will affect the working efficiency of the impact crusher. In severe cases, it may affect the normal operation of the vertical crusher. Therefore, when selecting materials, it must be noted that the viscosity of the materials is not too large.

5. Humidity of material: When the moisture contained in the material is large, the material is easy to adhere in the vertical vsi impact crusher, and it is easy to cause blockage during the feeding process, resulting in a reduced sand making capacity. To solve this problem, we must first strictly control the humidity of the material when selecting materials. If the humidity of the selected material is too large, we can use sunshine or air drying to reduce the percentage of moisture in the material.