A NEW INDEX FOR EVALUATING EFFECTS OF CIRCUMFERENTIAL GROOVED CASING TREATMENT ON EXTENDING STABILITY

Du Zhaohui; Liu Zhiwei

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A NEW INDEX FOR EVALUATING EFFECTS OF CIRCUMFERENTIAL GROOVED CASING TREATMENT ON EXTENDING STABILITY

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- A NEW INDEX FOR EVALUATING EFFECTS OF CIRCUMFERENTIAL GROOVED CASING TREATMENT ON EXTENDING STABILITY
- Vol. 9, Issue 4, (1994)
- 作者机构：
  
  1. 上海交通大学
  2. 西北工业大学
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：1994
- 稿件说明：
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Du Zhaohui, Liu Zhiwei. A NEW INDEX FOR EVALUATING EFFECTS OF CIRCUMFERENTIAL GROOVED CASING TREATMENT ON EXTENDING STABILITY[J]. 1994, 9(4).
DOI：

Du Zhaohui, Liu Zhiwei. A NEW INDEX FOR EVALUATING EFFECTS OF CIRCUMFERENTIAL GROOVED CASING TREATMENT ON EXTENDING STABILITY[J]. 1994, 9(4). DOI：

摘要

在分析周向槽机匣处理扩稳装置结构的基础上

采用三维粘性数值分析方法对带周向槽机匣处理的叶栅通道进行了计算

获得一些有益的结果。首次提出用通过处理槽的气流流通量评估周向槽机匣处理的扩稳效果和扩稳能力

分析讨论了处理装置的各种结构尺寸参数对扩稳效果的影响

并得到大量实验结果的证实。为工程设计压气机机匣处理装置提供了理论依据。

Abstract

Based on the analysis of structural features of the circumferential grooved casing treatment

3-D incompressible

steady

time averaged N-S equation

continuity and k-ε two equation turbulance model equations are successfully applied to the flowfield calculation in the cascade with the circumferential grooved casing treatment.The flux of the gas through the treatment groove is proposed as a new index which can quantitatively evaluate the effectiveness and the capability of extending stability by circumferential grooved casing treatment.The effects of structural parameters and treatment positions on the effectiveness of extending stability are analysed and discussed.The conclusions are proved by a great deal of testing results.The method and technique can be applied to analysis and design of the casing treatments in a compressor.

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Related Institution

Shanghai Jiaotong Univeristy

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College of Energy and Power Engineering, Nanjing University of Aeronautics and Astronautics

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