| 尾流撞击效应的一些探讨 |
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| 引用本文： | 刘焱,陆亚钧.尾流撞击效应的一些探讨[J].航空动力学报,2005,20(2):182-185. |
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| 作者姓名： | 刘焱 陆亚钧 |
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| 作者单位： | 北京航空航天大学航空发动机气动热力国防科技重点实验室,北京100083 |
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| 摘 要： | 通过采用外部声激励的方式,在低速轴流压气机内研究非定常尾流撞击效应对压气机流场结构以及时均气动性能的影响。主要包括:低速轴流压气机实验台的流场调试;流场的稳态、动态测量;实验数据的处理和分析。实验结果表明:当发生尾流撞击耦合效应时,压气机内部流动的时空结构以及时均气动性能均得到较大提高。
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| 关 键 词： | 航空、航天推进系统 尾流撞击效应轴流压气机非定常分离流动 |
| 文章编号： | 1000-8055(2005)02-0182-04 |
| 收稿时间： | 2004/3/11 0:00:00 |
| 修稿时间： | 2004年3月11日 |
Discussion of the "Wake Strike" Effects on Flow Field in Axial-Flow Compressor |
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| LIU Yan and LU Ya-jun.Discussion of the "Wake Strike" Effects on Flow Field in Axial-Flow Compressor[J].Journal of Aerospace Power,2005,20(2):182-185. |
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| Authors: | LIU Yan and LU Ya-jun |
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| Institution: | National Key Laboratory of Aircraft Engines,Beijing University of Aeronautics and Astronautics,Beijing100083,China |
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| Abstract: | Influence of the wake impact effect on the flow field and its average performance in a low speed axial-flow compressor was investigated by using external acoustic excitations.Main focus is on the flow field calibration, the steady and dynamic performance measurement and the analysis of the experimental data.The results indicate that the time-space structure and the average aerodynamic performance can be improved greatly when the couple of wake impact effect is occurred. |
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| Keywords: | aerospace propulsion system wake impact effect axial-flow compressor unsteady separated flow |
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