Moses失速模型三维优化修正

张兴发; 李军; 宋国兴

doi:10.13224/j.cnki.jasp.2019.12.021

Moses失速模型三维优化修正

doi: 10.13224/j.cnki.jasp.2019.12.021

基金项目: 国家自然科学基金(51336011)

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出版历程
- 收稿日期: 2019-07-15
- 刊出日期: 2019-12-28

Three-dimensional optimization correction of Moses stall model

Science and Technology on Plasma Dynamics Laboratory,Aeronautics Engineering College,Air Force Engineering University,Xi’an 710038,China

摘要

摘要: 通过低速轴流压气机失速实验,结合压气机失速仿真云图以及实验中所测得的叶片径向压力脉动图,发现失速后为部分叶高失速,而不是全叶高失速。基于失速预测Moses模型,通过比较不同径向截面计算得到的总压损失,发现沿径向叶片截面安装角的变化对模型的计算结果有影响,通过引入参数B对模型中的参数k进行改进。经过改进后的模型所预测的结果较原模型能够更加准确地预测压气机失速后的情况,改进后的模型可以为压气机设计提供良好的参考设计数据。对高亚声速轴流压气机进行改进,将高速可压这一因素考虑到模型推导中,对模型进行改进,改进后的模型相较于原模型在预测计算高亚声速轴流压气机压比特性上准确度提升了30%。
- Moses失速模型 /
- 参数k /
- 参数B /
- 轴流压气机 /
- 三维修正
Abstract: Through the low-speed axial flow compressor stall experiment, and in combination with the compressor stall simulation cloud map and the measured blade radial pressure pulsation diagram in the experiment, partial leaf high stall other than full leaf high stall was found after the stall. Based on the stall prediction Moses model, by comparing the total pressure loss calculated from different radial sections, it was found that variation of the installation angle of the radial blade section had an influence on the calculation result of the model. The parameter k in the model was optimized by introducing the parameter B. The predicted results of the optimized model can predict the situation after the compressor stalls more accurately than the original model. The optimized model can provide good reference design data for the compressor design. The high subsonic axial compressor was optimized, and the high-speed compressible factor was taken into account in the model derivation, and the model was improved. The improved model was compared with the original model in predicting and calculating the high subsonic axial compressor pressure ratio. Feature accuracy increased by 30%.
- Moses stall model /
- parameter k /
- parameter B /
- axial compressor /
- three-dimensional correction

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参考文献(18)

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