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

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• 作者：Man-Woong Heo ; Kwang-Yong Kim ; Jin-Hyuk Kim…
• 关键词：Computational fluid dynamics ; High ; efficiency design ; Mixed ; flow pump ; Optimization ; Surrogate model
• 刊名：Journal of Mechanical Science and Technology
• 出版年：2016
• 出版时间：February 2016
• 年：2016
• 卷：30
• 期：2
• 页码：541-547
• 全文大小：2,047 KB
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• 作者单位：Man-Woong Heo (1)
  Kwang-Yong Kim (1)
  Jin-Hyuk Kim (2)
  Young Soek Choi (2)
  
  1. Department of Mechanical Engineering, Inha University, Incheon, 402-751, Korea
  2. Thermal & Fluid System R&D Group, Korea Institute of Industrial Technology, Cheonan, 331-822, Korea
  
• 刊物类别：Engineering
• 刊物主题：Mechanical Engineering
  Structural Mechanics
  Control Engineering
  Industrial and Production Engineering
  
• 出版者：The Korean Society of Mechanical Engineers
• ISSN：1976-3824

文摘

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. Keywords Computational fluid dynamics High-efficiency design Mixed-flow pump Optimization Surrogate model