Study and Investigation on the Mach of Impeller Outlet and Diffuser Inlet in Stamping and Welding Centrifugal Pump

Jian Jun Gan; Jie Gang Mou; Shui Hua Zheng; Bo Zhu

doi:10.4028/www.scientific.net/AMM.229-231.2454

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 229-231Study and Investigation on the Mach of Impeller...

Study and Investigation on the Mach of Impeller Outlet and Diffuser Inlet in Stamping and Welding Centrifugal Pump

Abstract:

Based on CFD simulations and experimental research, this paper studied the mach of impeller outlet and diffuser inlet in stamping and welding centrifugal pump. The influence of area ratio Y of impeller outlet to diffuser inlet on pump internal flow characteristics and performance was studied. Five different area ratio pump models were analyzed. The results indicate that as the area ratio Y= F3/F2 increase, the velocity of fluid in diffuser inlet decreases continuously, the average static pressure of diffuser outlet increases, and the head and efficiency of the pump are risen. When the area ratio increases from Y=1.48 to Y=3.49, the head increases about 3.0% and the efficiency about 2.0%.

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Periodical:

Applied Mechanics and Materials (Volumes 229-231)

Pages:

2454-2458

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.229-231.2454

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Online since:

November 2012

Authors:

Jian Jun Gan, Jie Gang Mou, Shui Hua Zheng, Bo Zhu

Keywords:

Diffuser Inlet, Hydraulic Performance, Impeller Outlet, Numerical Simulation, Stamping Centrifugal Pump, Welding Centrifugal Pump

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