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基于正反问题耦合的压气机特性快速预测方法

宋召运 王宝潼 范腾博 郑新前 冯旭栋

宋召运, 王宝潼, 范腾博, 郑新前, 冯旭栋. 基于正反问题耦合的压气机特性快速预测方法[J]. 航空动力学报, 2022, 37(3): 619-628. doi: 10.13224/j.cnki.jasp.20210072
引用本文: 宋召运, 王宝潼, 范腾博, 郑新前, 冯旭栋. 基于正反问题耦合的压气机特性快速预测方法[J]. 航空动力学报, 2022, 37(3): 619-628. doi: 10.13224/j.cnki.jasp.20210072
SONG Zhaoyun, WANG Baotong, FAN Tengbo, ZHENG Xinqian, FENG Xudong. Rapid prediction method of compressor characteristics with coupling direct and inverse problems[J]. Journal of Aerospace Power, 2022, 37(3): 619-628. doi: 10.13224/j.cnki.jasp.20210072
Citation: SONG Zhaoyun, WANG Baotong, FAN Tengbo, ZHENG Xinqian, FENG Xudong. Rapid prediction method of compressor characteristics with coupling direct and inverse problems[J]. Journal of Aerospace Power, 2022, 37(3): 619-628. doi: 10.13224/j.cnki.jasp.20210072

基于正反问题耦合的压气机特性快速预测方法

doi: 10.13224/j.cnki.jasp.20210072
基金项目: 国家科技重大专项(2017-Ⅱ-0004-0016)
详细信息
    作者简介:

    宋召运(1990-),男,助理研究员,博士,研究方向为压气机气动热力学。

    通讯作者:

    郑新前(1977-),男,教授、博士生导师,博士,研究方向为航空发动机气动热力学。E-mail:zhengxq@tsinghua.edu.cn

  • 中图分类号: V231.3

Rapid prediction method of compressor characteristics with coupling direct and inverse problems

  • 摘要: 提出一种基于正反问题耦合的压气机特性快速预测方法,根据压气机一维设计理论,通过对满足流量及压比设计指标的反问题求解快速得出压气机的气动布局方案,在此基础上结合非设计点损失和落后角模型通过正问题求解得出全工况压气机特性,再根据预测特性与目标的偏差调整气动布局方案,以此通过对正反问题的耦合求解实现对压气机特性的合理快速预测。为了提高压气机特性预测精度,发展了基于遗传算法的压气机损失和落后角模型参数优化校准方法,该方法利用优化理论及实验数据对传统的压气机损失和落后角模型进行改进。利用三台压气机的实验结果对模型进行了校准与验证,验证结果表明:设计点效率预测误差为0.23%,非设计点为1.34%,满足发动机需求分析及概念设计阶段对压气机效率的预测精度要求。

     

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出版历程
  • 收稿日期:  2021-02-18
  • 刊出日期:  2022-03-28

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