| 轴流压气机过失速的非线性动力学分析 |
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| 引用本文： | 陈策,聂超群,李军.轴流压气机过失速的非线性动力学分析[J].航空动力学报,2007,22(9):1461-1467. |
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| 作者姓名： | 陈策 聂超群 李军 |
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| 作者单位： | 1.中国科学院工程热物理研究所, 北京 100080 |
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| 摘 要： | 为了解Greitzer的B参数和节流γ参数对轴流压气机过失速行为的影响, 使用分叉分析方法, 研究了压缩系统中过失速所对应的静态分叉行为.由此, 划分了γ-β分叉参数空间中, 轴流压缩系统稳定和不稳定流动的区域分布图.结果表明, 非线性动力学的分叉分析方法, 可以准确的捕捉到轴流压缩系统中典型的过失速流动行为, 同时可以简便的分析分叉参数作用下平衡点稳定性的变化情况.
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| 关 键 词： | 航空、航天推进系统 轴流压气机 过失速 非线性动力学 |
| 文章编号： | 1000-8055(2007)09-1461-07 |
| 收稿时间： | 2006/8/24 0:00:00 |
| 修稿时间： | 2006年8月24日 |
Nonlinear dynamic analysis on post-stall transients of axial-flow compressor |
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| CHEN Ce,NIE Chao-qun and LI Jun.Nonlinear dynamic analysis on post-stall transients of axial-flow compressor[J].Journal of Aerospace Power,2007,22(9):1461-1467. |
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| Authors: | CHEN Ce NIE Chao-qun and LI Jun |
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| Institution: | 1.Institute of Engineering Thermo Physics, Chinese Academy of Sciences Beijing 1000802.Graduate School, Chinese Academy of Sciences Beijing 1000393.Beijing Aeronautical Technique Research Center Beijing 1000764.The Engineering Institute, Air Force Engineering University, Xi'an 710038 |
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| Abstract: | To study the effect of Greitzer B parameter and throttle parameter γ on post-stall behavior of axial flow compressor,the static bifurcation behavior for post-stall of axial flow compressor was analyzed using bifurcation analysis method.In the γ-B bifurcation parameter space,the sketch map for steady and unsteady flow of compressor was plotted out.It is thus concluded that nonlinear bifurcation analysis can accurately capture typical post-stall transients and easily analyze the change of stability of system equilibriums under bifurcation parameters. |
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| Keywords: | aerospace propulsion system axial-flow compressor post-stall nonlinear dynamics |
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