适应较大叶型弯角范围的轴流压气机落后角模型

刘波; 马乃行; 杨小东; 曹志远

doi:10.13224/j.cnki.jasp.2014.08.010

适应较大叶型弯角范围的轴流压气机落后角模型

doi: 10.13224/j.cnki.jasp.2014.08.010

西北工业大学动力与能源学院, 西安 710072

基金项目:

国家自然科学基金（51236006）

详细信息

作者简介:
刘波（1960-），男，陕西西安人，教授、博士生导师，博士，主要从事先进叶轮机械气动设计、试验研究。

中图分类号: V231.3
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出版历程
- 收稿日期: 2013-05-19
- 刊出日期: 2014-08-28

Deviation angle models suitable for wider range of blade profile camber in axial-flow compressor

School of Power and Energy, Northwestern Polytechnical University, Xi'an 710072, China

摘要

摘要: 通过对多种落后角模型进行研究对比，选出其中一组，并对设计状态落后角模型重新修正，在此基础上结合S₁流场计算发展了一种适用于轴流压气机落后角预测的模型.另对非设计状态落后角计算采用了修正模型.结果表明：建立的计算程序在一定的攻角范围内，对S₁流场的预测结果是比较准确的，通过多组平面叶栅验证，在叶型弯角较大或者较小时，设计状态落后角模型预测精度均提高，误差范围控制在1°以内；建立的轴流压气机落后角预测模型，对多组轴流压气机设计状态落后角预测，误差都不超过2°，初步验证了模型的有效性.
- 落后角 /
- 轴流压气机 /
- 平面叶栅 /
- 叶型弯角 /
- 流场计算
Abstract: A set of models were selected after studying a series of deviation angle models, and the design deviation angle model was revised. On this basis, a deviation angle model for axial-flow compressor was developed by combining the calculation of S₁ flow field. In addition, an off-design deviation angle model was used. The results show that the program for calculating S₁ flow field is accurate in a certain incidence angle range. Through verification of a series of cascades, the prediction accuracy of the design deviation angle models is improved, and the error is reduced to 1° no matter the blade profile camber is big or small. The prediction model of axial-flow compressor's design deviation angle is applied to a series of axial-flow compressors, and the error is reduced to 2°. This means that the model is effective.
- deviation angle /
- axial-flow compressor /
- cascades /
- blade profile camber /
- flow field calculation

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参考文献(15)

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