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To improve the stability of the multistage centrifugal pump, a special test bench was built based on the Bently ADRE 408 portable vibration tester. Taking a cantilever multistage centrifugal pump as the research object, the axis orbit and the vibration spectrum of the pump were obtained at 0Qd (zero flow point), 1.0Qd (design flow point) and 1.5Qd (large flow point). Moreover, based on the Butterworth...
This paper proposes a method to optimize the design of a typical multistage centrifugal pump based on energy loss model and Computational Fluid Dynamics (ELM/CFD). Different grid numbers, turbulence models, convergence precisions, and surface roughness are calculated for a typical multistage centrifugal pump. External characteristic experiments are also conducted to benchmark the numerical simulation...
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