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Volume 11
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10.3390/app11031314
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Article

Flow Field Analysis and Feasibility Study of a Multistage Centrifugal Pump Designed for Low-Viscous Fluids

by
Mohamed Murshid Shamsuddeen
1,2,
Sang-Bum Ma
2,
Sung Kim
2,
Ji-Hoon Yoon
3,
Kwang-Hee Lee
4,
Changjun Jung
4 and
Jin-Hyuk Kim
1,2,*
1
Industrial Technology (Green Process and Energy System Engineering), Korea University of Science & Technology, Daejeon 34113, Korea
2
Clean Energy R&D Department, Korea Institute of Industrial Technology, Cheonan-si 31056, Korea
3
Dongyang Chemical Pump Company, Paju-si 10832, Korea
4
GS Caltex Corporation, Seoul 06141, Korea
*
Author to whom correspondence should be addressed.
Appl. Sci. 2021, 11(3), 1314; https://doi.org/10.3390/app11031314
Submission received: 26 December 2020 / Revised: 17 January 2021 / Accepted: 26 January 2021 / Published: 1 February 2021
(This article belongs to the Special Issue Turbomachinery: Theory, Design and Application)
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Abstract

A multistage centrifugal pump is designed for pumping low-viscosity, highly volatile and flammable chemicals, including hydrocarbons, for high head requirements. The five-stage centrifugal pump consists of a double-suction impeller at the first stage followed by a twin volute. The impellers for stages two through five are single-suction impellers followed by diffuser vanes and return channel vanes. The analytical performance is calculated initially in the design stage by applying similarity laws to an existing scaled-down pump model designed for low flow rate applications. The proposed pump design is investigated using computational fluid dynamics tools to study its performance in design and off-design conditions for water as the base fluid. The design feasibility of the centrifugal pump is tested for other fluids, such as water at a high temperature and pressure, diesel and debutanized diesel. The pump design is found to be suitable for a variety of fluids and operating ranges. The losses in the pump are analyzed in each stage at the best efficiency point. The losses in efficiency and head are observed to be higher in the second stage than in other stages. The detailed flow behavior at the second stage is studied to identify the root cause of the losses. Design modifications are recommended to diminish the losses and improve the overall performance of the pump.
Keywords: multistage centrifugal pump; double-suction impeller; twin volute; computational fluid dynamics; design feasibility study multistage centrifugal pump; double-suction impeller; twin volute; computational fluid dynamics; design feasibility study

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MDPI and ACS Style

Shamsuddeen, M.M.; Ma, S.-B.; Kim, S.; Yoon, J.-H.; Lee, K.-H.; Jung, C.; Kim, J.-H. Flow Field Analysis and Feasibility Study of a Multistage Centrifugal Pump Designed for Low-Viscous Fluids. Appl. Sci. 2021, 11, 1314. https://doi.org/10.3390/app11031314

AMA Style

Shamsuddeen MM, Ma S-B, Kim S, Yoon J-H, Lee K-H, Jung C, Kim J-H. Flow Field Analysis and Feasibility Study of a Multistage Centrifugal Pump Designed for Low-Viscous Fluids. Applied Sciences. 2021; 11(3):1314. https://doi.org/10.3390/app11031314

Chicago/Turabian Style

Shamsuddeen, Mohamed Murshid, Sang-Bum Ma, Sung Kim, Ji-Hoon Yoon, Kwang-Hee Lee, Changjun Jung, and Jin-Hyuk Kim. 2021. "Flow Field Analysis and Feasibility Study of a Multistage Centrifugal Pump Designed for Low-Viscous Fluids" Applied Sciences 11, no. 3: 1314. https://doi.org/10.3390/app11031314

APA Style

Shamsuddeen, M. M., Ma, S.-B., Kim, S., Yoon, J.-H., Lee, K.-H., Jung, C., & Kim, J.-H. (2021). Flow Field Analysis and Feasibility Study of a Multistage Centrifugal Pump Designed for Low-Viscous Fluids. Applied Sciences, 11(3), 1314. https://doi.org/10.3390/app11031314

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