部分处理机匣的性能预估模型

朱振坤; 袁巍; 李秋实; 李志平

doi:10.13224/j.cnki.jasp.2017.05.022

部分处理机匣的性能预估模型

doi: 10.13224/j.cnki.jasp.2017.05.022

北京航空航天大学能源与动力工程学院航空发动机气动热力国家级重点实验室，北京 100191；先进航空发动机协同创新中心，北京 100191

基金项目: 国家自然科学基金（51176005）

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出版历程
- 收稿日期: 2015-09-23
- 刊出日期: 2017-05-28

Performance prediction model of partial casing treatment

摘要

摘要: 利用进气畸变平行压气机理论划分子压气机的思想，将部分处理机匣压气机沿周向分为处理机匣子压气机和实壁机匣子压气机，再由动量守恒和能量守恒求得部分处理机匣压气机出口参数，并依据失速点流量与处理区周向角度呈线性关系的实验结论提出部分处理机匣性能预估模型假设.模型预估与实验对比结果表明：预估特性与实验特性曲线在整体趋势上一致.跨声速条件下98%设计转速峰值效率预估偏差小于0.5%，综合裕度预估偏差小于0.6%.
- 性能预估 /
- 处理机匣 /
- 建模 /
- 平行压气机 /
- 扩稳
Abstract: Using the idea of inlet distortion parallel compressor theory dividing the compressor into some sub compressors, the partial casing treatment compressor was divided into casing treatment sub compressor and solid wall sub compressor. Then the outlet parameter of the partial casing treatment compressor was got according to the laws of momentum conservation and energy conservation, and the assumption of partial casing treatment performance prediction model was acquired based on the experimental conclusions of linear relationship between the mass flow of stall margin point and the casing treatment circumferential angle. Comparisons of the prediction results and the experimental results reveal that the curves of prediction characteristics and experimental characteristics are consistent in overall trend. Under supersonic condition at 98% design rotating speed, the peak efficiency prediction error is smaller than 0.5%, and the comprehensive margin prediction error is under 0.6%.
- performance prediction /
- casing treatment /
- modeling /
- parallel compressor /
- expansion of stall margin

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参考文献(19)

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