Mixed flow pump impeller is a centrifugal pump device where the transition of fluid flow takes place in both axial and radial direction. In this work a mixed flow pump impeller has been designed using CATIA V5 software tool and analyzed using the fun
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PUMP Impeller By Er. Laxman Singh Sankhla B.E.Mech., Chartered Engineer Jodhpur, India Mail I! laxman"""#$$%&yahoo.co.in
Pump Impeller Impellers are circular devices with curved blades that stir the fluid in a centrifugal pump. Impellers fit tightly on the shaft and are usually pressed on or off. Although there are several ways an impeller can be held in place on the shaft, the most common co mmon method is with a key and keyway.
An impeller is the most critical part of a centrifugal pump because its size, shape and speed determine pump capacity. There are three different types of impellers: %. 'pen impeller( are blades mounted on a shaft with just enough backing or shroud to maintain the rigidity of the blades,
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'PE- IMPELLE+
#. Semiopen impeller have a shroud completely covering one side of the blades,
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SEMI'PE- IMPELLE+
0. Clo(ed Impeller( have shrouds covering both sides of the blades with a central hole !eye" on either one or both sides to allow fluid to enter the impeller.
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CL'SE IMPELLE+
Single (uction impeller( !#igure $.%" allow fluid to enter only one side of the impeller, A problem with such an impeller is that an imbalancing thrust can be generated in the direction of suction. This can be a serious problem in high volume or high discharge pressure pumps and is often resolved with a double& suction impeller. ou2le(uction impeller( 3 #igure $.'" allow fluid to enter both sides o the impeller, and the thrust generated on one side of the impeller is countered by the thrust generated on the other side.
