2022
DOI: 10.1063/5.0105576
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Study of rotor–stator interaction phenomenon in a double-suction centrifugal pump with impeller vane trailing edge as a design parameter

Abstract: Various geometrical parameters like cut-water clearance, volute tongue location, tongue radius, vane trailing edge profile and flow parameters like speed, operating point affect the rotor-stator interaction in a centrifugal pump. In the present investigation, vane trailing edge is selected as a design parameter for profile modifications to study and reduce the rotor-stator interaction intensity and hence the pressure pulsations. A double suction centrifugal pump with tangential discharge volute (M1), specific … Show more

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Cited by 15 publications
(1 citation statement)
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“…With an increase in the flow rate, the time-domain distribution of the pressure pulsation coefficient becomes more and more disordered, and the smaller peak is more obvious. It can be considered that the pressure pulsation at the outlet of the fire pump is mainly affected by rotor-stator interaction, 19 as well as other factors including fluid impact, and this influence will be more obvious with an increase in the flow rate. By comparing the pressure fluctuation coefficient under different flow rates, it can be seen that the maximum drop of pressure fluctuation coefficient at the outlet of the fire pump is 0.071, 0.091, 0.076, 0.066, and 0.106 respectively.…”
Section: Pressure Pulsation Analysismentioning
confidence: 99%
“…With an increase in the flow rate, the time-domain distribution of the pressure pulsation coefficient becomes more and more disordered, and the smaller peak is more obvious. It can be considered that the pressure pulsation at the outlet of the fire pump is mainly affected by rotor-stator interaction, 19 as well as other factors including fluid impact, and this influence will be more obvious with an increase in the flow rate. By comparing the pressure fluctuation coefficient under different flow rates, it can be seen that the maximum drop of pressure fluctuation coefficient at the outlet of the fire pump is 0.071, 0.091, 0.076, 0.066, and 0.106 respectively.…”
Section: Pressure Pulsation Analysismentioning
confidence: 99%