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World Journal of Engineering
Research and Technology

( An ISO 9001:2015 Certified International Journal )

An International Peer Reviewed Journal for Engineering Research and Technology

ISSN 2454-695X

Impact Factor : 5.924

ICV : 79.45

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Abstract

INTERNAL FLOW CHARACTERISTICS OF CENTRIFUGAL PUMP DURING CLOSING VALVE STARTUP

Bo-Jie Xu*, Fei Wu, Shi-Shi Jiang, Ya-Peng Li, Hao-Chen, Li-Xin Chen, Qi-Kai Gong, Yin-Peng Li and Hong-Bin Sun

ABSTRACT

To prevent power overload, centrifugal pumps are usually started with the valve closed. In view of the little research on the transient characteristics of centrifugal pumps during closed-valve start-up, this paper presents a numerical simulation of the internal flow field of a low specific speed centrifugal pump during rapid closed-valve start-up with the non-constant flow by numerical simulation techniques. The study shows that the overall internal pressure tends to increase gradually with the increase of rotating speed.

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