Analysis of secondary flow structures of compressor cascade with different fences

LIU Yan-ming; ZHONG Jing-jun; WANG Bao-guo; LIU Shu-yan

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Analysis of secondary flow structures of compressor cascade with different fences

更新时间：2026-07-07

- Analysis of secondary flow structures of compressor cascade with different fences
- Vol. 23, Issue 7, (2008)
- 作者机构：
  
  1. 北京理工大学宇航科学技术学院,北京,100081
  2. 大连海事大学机电与材料工程学院,大连,116026
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2008
- 稿件说明：
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LIU Yan-ming, ZHONG Jing-jun, WANG Bao-guo, et al. Analysis of secondary flow structures of compressor cascade with different fences[J]. 2008, 23(7).
DOI：

LIU Yan-ming, ZHONG Jing-jun, WANG Bao-guo, et al. Analysis of secondary flow structures of compressor cascade with different fences[J]. 2008, 23(7). DOI：

摘要

给出了具有端壁翼刀、吸力面翼刀和组合翼刀的可控扩散叶型(CDA)压气机叶栅的二次流结构简图.端壁翼刀和吸力面翼刀分别通过阻断端壁横向流动和展向流动来对栅内二次流进行控制

不同程度上可使叶栅总损失得到降低;组合翼刀叶栅兼顾了端壁翼刀、吸力面翼刀叶栅中二次流的特点;最佳组合翼刀并不是最佳端壁翼刀和最佳吸力面翼刀的简单组合

它需要一个更详细的优化过程.不同翼刀在不同程度上改善栅内流动状况的同时

也伴随着端壁翼刀涡、吸力面翼刀涡和类通道涡的形成和发展

这使栅内旋涡结构较常规叶栅更为复杂.

Abstract

The sketches of secondary flow structure in compressor cascade with endwall fences

blade fences and combined fences were presented.By blocking crosswise flow and spanwise flow respectively

the secondary flow status was controlled by the endwall fences and blade fences

resulting in reduced total loss of cascade.Both the cascade secondary flow characteristics with endwall fence and blade fence were embodied in the cascade flow with combined fences.Meanwhile

optimal combined fences was not the simple combination of optimal endwall fence and optimal blade fence.Amore detailed optimization process was required.While different fences improved cascade flow status

the endwall fence vortices

blade fence vortices and other vortices were formed and developed

making the vortex structure more complicated.

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