跨声压气机内确定应力耦合问题研究

赵军; 刘宝杰

doi:10.13224/j.cnki.jasp.2015.09.024

跨声压气机内确定应力耦合问题研究

doi: 10.13224/j.cnki.jasp.2015.09.024

赵军¹,
刘宝杰²

1. 中国民用航空飞行学院航空工程学院, 四川广汉 618307;
2. 北京航空航天大学能源与动力工程学院, 北京 100191

详细信息

作者简介:
赵军(1980-),男,安徽淮北人,高级工程师,博士,主要从事叶轮机械内复杂流动研究.

中图分类号: V231.3
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- 被引次数: 0
出版历程
- 收稿日期: 2014-03-19
- 刊出日期: 2015-09-28

Research on problem of deterministic stress coupling in transonic compressor

ZHAO Jun¹,
LIU Bao-jie²

1. Aviation Engineering Institute, Civil Aviation Flight University of China, Sichuan Guanghan 618307, China;
2. School of Energy and Power Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

摘要

摘要: 基于三维定常Denton程序发展了二维定常、二维非定常、三维非定常计算程序,以二维跨声压气机叶栅、三维跨声单级压气机近失速点为算例,进行确定应力耦合问题的研究.结果表明:在确定应力应用到时均方程的耦合处理中存在一些因素导致时均方程的解和非定常解的时均值有一定偏差,它们分别是空间差分离散引入的误差、黏性相关项引入的误差、掺混面处理引入的误差.在多排耦合问题中掺混面的处理方式至关重要,对耦合计算结果有较大的影响,简单的掺混面处理并不能获得理想的效果.
- 确定应力 /
- 跨声 /
- 压气机 /
- 非定常计算 /
- 时间平均
Abstract: Two-dimensional steady/unsteady, and three-dimensional unsteady calculation programs were developed based on three-dimensional steady Denton program. Researches on deterministic stress coupling were conducted on two cases:two-dimensional transonic compressor cascade and three-dimensional single-stages transonic compressor near stall point. It is found that, there are some deviations from time-averaged value of solution and unsteady solution of time-averaged equations when deterministic stresses are applied to coupling processing. The deviation of the coupling error originated from three sources: spatial difference discrete,viscosity correlation terms,mixing-plane processing. In multi-row coupling cases,the influences of mixing-plane are vital. It has a vital effect on the coupling calculation results. The simple mixing-plane processing can't get an ideal effect.
- deterministic stress /
- transonic /
- compressor /
- unsteady calculation /
- time-averaged

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参考文献(20)

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