Optimal Design of a Liquid Hydrogen Centrifugal Pump Impeller

Catur Harsito, Jeong-Eui Yun (), Joon-Young Shin and Jae-Min Kim
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Catur Harsito: Department of Mechanical Computer Industrial Management Engineering, Kangwon National University, Samcheok-si 24341, Republic of Korea
Jeong-Eui Yun: Department of Mechanical System Engineering, Kangwon National University, Samcheok-si 24341, Republic of Korea
Joon-Young Shin: Department of Mechanical Vehicle Engineering, Kangwon National University, Samcheok-si 24341, Republic of Korea
Jae-Min Kim: Department of Mechanical Vehicle Engineering, Kangwon National University, Samcheok-si 24341, Republic of Korea

Energies, 2024, vol. 17, issue 24, 1-14

Abstract: Global energy consumption has continued to increase in recent years with economic development. Fossil energy sources are now being replaced with renewable energy, and hydrogen is one of such alternatives. Pumps are used for storage, transportation, and distribution. One such pump is the liquefied hydrogen centrifugal pump. In this study, optimisation design of a liquefied hydrogen centrifugal pump was performed using the response surface method, which is the optimisation method of the DesignXplorer provided by ANSYS, based on the flow analysis results of the impeller of the centrifugal pump. The design variables used in the optimisation process are the outlet width b 2 , % of the blade thickness Su 2 , leading edge inclination angle α , hub inclination angle δ , wrap angle θ , and outlet blade angle β 2 . The optimisation analysis results obtained confirmed that all the selected design variables are semi-galactic and are sensitive to pump efficiency and head. It was confirmed that the efficiency of the centrifugal pump achieved using liquefied hydrogen as the working fluid is approximately 82.4%, which is significantly higher than that achieved by a centrifugal pump using water as the working fluid under the same operating conditions.

Keywords: liquefied hydrogen pump; centrifugal pump; optimisation (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: 2024
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