Application of Pareto multi-objective algorithm in centrifugal compressor volute optimization

WU Ya-dong; CAO An-guo; LIU Peng-yin; DU Zhao-hui

doi:10.13224/j.cnki.jasp.2016.01.013

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Application of Pareto multi-objective algorithm in centrifugal compressor volute optimization

更新时间：2026-07-07

- Application of Pareto multi-objective algorithm in centrifugal compressor volute optimization
- Vol. 31, Issue 1, Pages: 92-99(2016)
- 作者机构：
  
  1. 上海交通大学航空航天学院,上海,200240
  2. 上海交通大学机械与动力工程学院,上海,200240
- 作者简介：
- 基金信息：
- DOI：10.13224/j.cnki.jasp.2016.01.013
  CLC：
- Published：2016
- 稿件说明：
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吴亚东, 曹安国, 刘鹏寅, 杜朝辉. Pareto多目标算法在离心压缩机蜗壳优化中的应用[J]. 航空动力学报, 2016, 31(1): 92-99.

doi: 10.13224/j.cnki.jasp.2016.01.013
吴亚东, 曹安国, 刘鹏寅, 杜朝辉. Pareto多目标算法在离心压缩机蜗壳优化中的应用[J]. 航空动力学报, 2016, 31(1): 92-99. DOI： 10.13224/j.cnki.jasp.2016.01.013.

doi: 10.13224/j.cnki.jasp.2016.01.013 DOI：

摘要

基于Pareto多目标算法构建了一套针对离心压缩机蜗壳的气动优化系统

该系统集成了参数化建模、ICEM网格划分、CFX计算和CFD组合优化技术.利用该系统以总压损失系数和静压恢复系数为目标变量针对椭圆截面离心压缩机蜗壳进行气动优化设计.优化后的模型与初始模型相比总压损失系数降低11.79%

静压恢复系数升高16.97%

蜗壳内部二次流减少

蜗壳与叶轮更加匹配

表明该方法能够有效地提高离心压缩机的整体性能.

Abstract

A centrifugal compressor aerodynamic optimization system based on Pareto multi-objective algorithm was established.The system integrated the parameterized geometric model

ICEM(integrated computer engineering and manufacturing) mesh generation

CFX(computational fluid dynamics X) computation and CFD combined optimization technique.Using this system

the optimization was implemented for a centrifugal compressor volute

and the total pressure loss coefficient and static pressure recovery coefficient were chosen as target variables.Compared with prototype design

the average total pressure loss coefficient of optimal design decreased by 11.79% and the average static pressure recovery coefficient increased by 16.97%.Meanwhile

the secondary flow inside the volute was reduced to a certain degree

and the volute matched better with the impeller.The results show that the multi-objective optimization system is effective to the performance of the centrifugal compressor.

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Related Institution

Aerospace Technology Institute，China Aerodynamics Research and Development Center

西安交通大学能源与动力工程学院

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中国科学院大学物理学院

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