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High-efficiency design of a mixed-flow pump using a surrogate model

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Abstract

In the present work, the fluid flow characteristics of a mixed-flow pump have beenwere investigated numerically using three-dimensional Reynolds-averaged Navier-Stokes equations. The shear stress transport turbulence model and hexahedral grid system were used to analyze the flow in the mixed-flow pump. The efficiency of the mixed-flow pump was evaluated using the variation of two geometric variables related to the inlet angle of the diffuser vane. The design optimization of the mixed-flow pump was performed to maximize the its efficiency at the prescribed specific speed using a surrogate model. Latin hypercube sampling was used to determine the training points for the design of the experiment, and the surrogate model was constructed using the objective function values at the training points. The results show that the efficiency of the mixed-flow pump at the prescribed specific speed is improved considerably by the design optimization.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Inha University, Incheon, 402-751, Korea

    Man-Woong Heo & Kwang-Yong Kim

  2. Thermal & Fluid System R&D Group, Korea Institute of Industrial Technology, Cheonan, 331-822, Korea

    Jin-Hyuk Kim & Young Soek Choi

Authors
  1. Man-Woong Heo
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  2. Kwang-Yong Kim
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  3. Jin-Hyuk Kim
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  4. Young Soek Choi
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Corresponding author

Correspondence to Kwang-Yong Kim.

Additional information

Recommended by Guest Editor Hyung Hee Cho and Yulin Wu

Man-Woong Heo received his bachelor’s degree and master’s degree from Inha University in 2009 and 2011, respectively. He is currently pursuing research in his Ph.D. degree on Thermodynamics and Fluid Mechanics at Inha University, Korea. His research interests include the design of turbomachinery, numerical analyses, and optimization techniques.

Kwang-Yong Kim received his B.S. degree from Seoul National University in 1978, and his M.S. and Ph.D. degrees from the Korea Advanced Institute of Science and Technology (KAIST), Korea, in 1981 and 1987, respectively. He is currently an Inha Fellow Professor at the Inha University of Incheon, Korea. Professor Kim is also the current chairman of the Asian Fluid Machinery Committee, editor-in-chief of the International Journal of Fluid Machinery and Systems (IJFMS), and associate editor of ASME Journal of Fluids Engineering. He is also a Fellow of the American Society of Mechanical Engineers (ASME) and an Associate Fellow of the American Institute of Aeronautics and Astronautics (AIAA).

Jin-Hyuk Kim received his Ph.D. in Thermodynamics and Fluid Mechanics at Inha University, Korea, on Aug. 2013. He was a postdoctoral researcher in the Faculty of Engineering at Kyushu Institute of Technology, Japan, from Sep. to Nov. 2013. Since Dec. 2013, he has been a Senior Researcher in the Thermal & Fluid System R&BD Group, at Korea Institute of Industrial Technology (KITECH), Korea. His research interests include turbomachinery designs, numerical analyses, optimization techniques, and experimental tests.

Young-Seok Choi received his B.S. degree from Seoul National University in 1988, and his M.S. and Ph.D. in Mechanical Engineering at the same university in 1990 and 1996, respectively. He is currently a principal researcher in KITECH. His research interests include computational fluid dynamics and the design optimization of turbomachinery.

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Heo, MW., Kim, KY., Kim, JH. et al. High-efficiency design of a mixed-flow pump using a surrogate model. J Mech Sci Technol 30, 541–547 (2016). https://doi.org/10.1007/s12206-016-0107-8

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  • DOI: https://doi.org/10.1007/s12206-016-0107-8

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