Experimental and Numerical Analysis on Flow Characteristics in a Double Helix Screw Pump

Weibin Zhang, Qifeng Jiang, Gérard Bois, Hong Li, Xiaobing Liu, Shuai Yuan and Yaguang Heng
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Weibin Zhang: Key Laboratory of Fluid and Power Machinery, Ministry of Education, Xihua University, Chengdu 610039, China
Qifeng Jiang: Key Laboratory of Fluid and Power Machinery, Ministry of Education, Xihua University, Chengdu 610039, China
Gérard Bois: Key Laboratory of Fluid and Power Machinery, Ministry of Education, Xihua University, Chengdu 610039, China
Hong Li: Research Center of Fluid Mechanical Engineering Technology, Jiangsu University, Zhenjiang 212013, China
Xiaobing Liu: Key Laboratory of Fluid and Power Machinery, Ministry of Education, Xihua University, Chengdu 610039, China
Shuai Yuan: Key Laboratory of Fluid and Power Machinery, Ministry of Education, Xihua University, Chengdu 610039, China
Yaguang Heng: Key Laboratory of Fluid and Power Machinery, Ministry of Education, Xihua University, Chengdu 610039, China

Energies, 2019, vol. 12, issue 18, 1-17

Abstract: Experimental overall performances on a double helix screw pump are presented and discussed, focusing on the leakage flow for two different rotational speeds. A comparison between experimental and URANS CFD approaches is performed in order to check the CFD closure models’ validity. Some specific local flow characteristics are extracted from the numerical results which give explanations about leakage backflows inside the screws and local distortion at the pump inlet section.

Keywords: immersed solid method; transient flow characteristics; double helix screw pump (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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