引气方式对轴流压气机性能影响研究

侯丽娜; 杜刚; 陈江

doi:10.3879/j.issn.1000-0887.2014.10.007

引气方式对轴流压气机性能影响研究

doi: 10.3879/j.issn.1000-0887.2014.10.007

北京航空航天大学能源与动力工程学院, 北京 100191

基金项目: 航空基金重点项目（2011ZB24002）

详细信息

作者简介:
侯丽娜（1988—），女，河南人，硕士(E-mail: 869597573@qq.com)；杜刚（1974—），男，四川人，副教授（通讯作者. E-mail: dugang@buaa.edu.cn）；陈江（1963—），男，四川人，研究员.

中图分类号: V231.3
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出版历程
- 收稿日期: 2014-01-06
- 修回日期: 2014-09-03
- 刊出日期: 2014-10-15

Effects of Bleeding on the Aerodynamic Performance of AxialFlow Compressors

School of Energy and Power Engineering, Beihang University,Beijing 100191, P.R.China

摘要

摘要: 航空发动机空气系统需要从多级轴流压气机中间级引气，不同引气方式将对轴流压气机性能和流场产生不同影响.以一带进口导叶的单级轴流压气机为研究对象，采用数值模拟方法研究了全周开缝、均布开孔以及不同开孔角度等引气方式对压气机性能的影响.结果表明，引气可不同程度地提高压气机性能，沿流向倾斜开设引气孔使喘振裕度提升最大，达到8.2%，反流向开设引气孔使压气机效率、压比有较大提高.
- 轴流压气机 /
- 气动性能 /
- 引气方式 /
- 数值模拟
Abstract: Different ways of bleeding have different effects on axial-flow compressors’ performance and flow fields. The numerical simulation of single-stage axial-flow compressors was performed. Several schemes, of bleeding in circumferential slots or bleeding in uniform circular holes circumferentially distributed, were designed to study the effects of different bleeding ways on the aerodynamic performance of axial-flow compressors. The results show that introduction of bleeding improves the compressors’ performance to different extents. The bleeding scheme with circular holes set in the same direction with the flow has the largest surge margin up to 82%; while the circular holes set in the reverse direction of the flow bring the pressure ratio and efficiency of the compressors a major increase.
- axial-flow compressor /
- aerodynamic performance /
- bleeding /
- numerical simulation

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参考文献(15)

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