Numerical study of the effects of some geometric characteristics of a centrifugal pump impeller that pumps a viscous fluid

2012 ◽  
Vol 60 ◽  
pp. 61-70 ◽  
Author(s):  
M.H. Shojaeefard ◽  
M. Tahani ◽  
M.B. Ehghaghi ◽  
M.A. Fallahian ◽  
M. Beglari
Keyword(s):  
Viscous Fluid ◽  
Centrifugal Pump ◽  
Numerical Study ◽  
Pump Impeller ◽  
Geometric Characteristics ◽  
Centrifugal Pump Impeller

A parametric study for improving the centrifugal pump impeller for use in viscous fluid pumping

2012 ◽  
Vol 49 (2) ◽  
pp. 197-206 ◽  
Author(s):  
M. H. Shojaeefard ◽  
M. Tahani ◽  
A. Khalkhali ◽  
M. B. Ehghaghi ◽  
H. Fallah ◽  
...  
Keyword(s):  
Viscous Fluid ◽  
Centrifugal Pump ◽  
Parametric Study ◽  
Pump Impeller ◽  
Centrifugal Pump Impeller

Numerical Optimization of a Centrifugal Pump Impeller with Splitter Blades Running in Reverse Mode

2016 ◽  
Vol 10 (4) ◽  
pp. 215 ◽  
Author(s):  
Ioannis Kassanos ◽  
Marios Chrysovergis ◽  
John Anagnostopoulos ◽  
George Charalampopoulos ◽  
Stamelos Rokas ◽  
...  
Keyword(s):  
Centrifugal Pump ◽  
Numerical Optimization ◽  
Pump Impeller ◽  
Reverse Mode ◽  
Centrifugal Pump Impeller

Flow Measurements and Simulation in a Model Centrifugal Pump Impeller

2010 ◽  
Vol 37 (2) ◽  
pp. 149-161
Author(s):  
V. A. Grapsas ◽  
John S. Anagnostopoulos ◽  
D. E. Papantonis
Keyword(s):  
Centrifugal Pump ◽  
Pump Impeller ◽  
Flow Measurements ◽  
Centrifugal Pump Impeller

scholarly journals Visualization of gas-liquid flow pattern in a centrifugal pump impeller and its influence on the pump performance

2021 ◽  
Vol 13 ◽  
pp. 100033
Author(s):  
Lin Zhao ◽  
Zhuang Chang ◽  
Zhenduo Zhang ◽  
Rui Huang ◽  
Denghui He
Keyword(s):  
Flow Pattern ◽  
Centrifugal Pump ◽  
Liquid Flow ◽  
Pump Impeller ◽  
Pump Performance ◽  
Gas Liquid Flow ◽  
Centrifugal Pump Impeller

scholarly journals Large Eddy Simulation of Periodic Transient Pressure Fluctuation in a Centrifugal Pump Impeller at Low Flow Rate

Symmetry ◽  
2021 ◽  
Vol 13 (2) ◽  
pp. 311
Author(s):  
Renfei Kuang ◽  
Xiaoping Chen ◽  
Zhiming Zhang ◽  
Zuchao Zhu ◽  
Yu Li
Keyword(s):  
Large Eddy Simulation ◽  
Centrifugal Pump ◽  
Flow Rate ◽  
Pressure Fluctuation ◽  
Low Frequency ◽  
Pump Impeller ◽  
Eddy Simulation ◽  
Inlet Flow Rate ◽  
Large Eddy ◽  
Centrifugal Pump Impeller

This paper presents a large eddy simulation of a centrifugal pump impeller during a transient condition. The flow rate is sinusoidal and oscillates between 0.25Qd (Qd indicates design load) and 0.75Qd when the rotating speed is maintained. Research shows that in one period, the inlet flow rate will twice reach 0.5Qd, and among the impeller of one moment is a stall state, but the other is a non-stall state. In the process of flow development, the evolution of low-frequency pressure fluctuation shows an obviously sinusoidal form, whose frequency is insensitive to the monitoring position and equals to that of the flow rate. However, inside the impeller, the phase and amplitude in the stall passages lag behind more and are stronger than that in the non-stall passages. Meanwhile, the strongest region of the high-frequency pressure fluctuation appears in the stall passages at the transient rising stage. The second dominant frequency in stall passages is 2.5 times to that in non-stall passages. In addition, similar to the pressure fluctuation, the evolution of the low-frequency head shows a sinusoidal form, whose phase is lagging behind that by one-third of a period in the inlet flow rate.

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