Optimization design and test of the non⁃axisymmetric endwall of the compressor stator

Jiayu WANG; Jun HU; Chao JIANG

doi:10.13224/j.cnki.jasp.20200389

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Optimization design and test of the non⁃axisymmetric endwall of the compressor stator

Turbomachinery | 更新时间：2025-04-07

- Optimization design and test of the non⁃axisymmetric endwall of the compressor stator
- Journal of Aerospace Power Vol. 36, Issue 10, Pages: 2157-2172(2021)
- 作者机构：
  
  1.中国航空发动机集团有限公司沈阳发动机研究所，沈阳 110015
  2.南京航空航天大学能源与动力学院，南京 210016
- 作者简介：
- 基金信息：
- DOI：10.13224/j.cnki.jasp.20200389
  CLC：
- 稿件说明：
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Jiayu WANG, Jun HU, Chao JIANG. Optimization design and test of the non⁃axisymmetric endwall of the compressor stator[J]. Journal of Aerospace Power, 2021, 36(10): 2157-2172.
DOI：

Jiayu WANG, Jun HU, Chao JIANG. Optimization design and test of the non⁃axisymmetric endwall of the compressor stator[J]. Journal of Aerospace Power, 2021, 36(10): 2157-2172. DOI： 10.13224/j.cnki.jasp.20200389.

摘要

为了探索多级压气机环境下非轴对称端壁优化设计方法，通过数值仿真优化和实验测试方法对某中间级静子的机匣端壁和轮毂端壁进行了非轴对称端壁造型研究，提出了在优化时将目标函数选择为近端壁的局部叶高总压损失系数。结果表明：相较于传统的全叶高总压损失系数作为目标函数的优化方法，该优化方法可以在较少的优化步数（400步）内使得静子总压损失系数下降更多，这表明该方法可以有效降低优化耗时，为多级压气机中进行非轴对称端壁优化设计的工程应用奠定基础。

Abstract

In order to explore the optimization design method of non⁃axisymmetric endwall in multistage compressor environment，the non⁃axisymmetric endwall profiling of the casing endwall and the hub endwall of an embedded stator was studied by numerical simulation optimization and experimental test.The local total pressure loss coefficient of local blade height near the endwall was selected as the objective function.The result proved that compared with the traditional total pressure loss of whole blade height as the objective function，the total pressure loss coefficient of stator can be reduced more in less optimization steps （400 steps），showing that this method can effectively reduce the optimization time and lay a foundation for the engineering application of non⁃axisymmetric endwall optimization design in multistage compressors.

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references

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