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跨音压气机等离子体激励扩稳的数值研究

, PP. 1191-1195

Keywords: 等离子,轴流压气机,扩稳,流动控制,跨音

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Abstract:

本文以跨音轴流单转子压气机为研究对象,对65%和98%额定转速下,不同等离子体激励强度的扩稳效果进行研究。结果表明,在一定转速下,等离子体激励强度越高,扩稳效果越好;相同等离子激励强度下,转速越高,扩稳效果越差。通过对该单转子机匣壁面轴向剪切应力的分析,发现等离子体激励的扩稳机制是将泄漏流与主流交界面位置推向叶片通道下游,抑制泄漏流在叶片前缘的溢出。在此基础上,本文提出了一种利用靠近失速的小流量工况下的泄漏流与主流交界面位置预判等离子体激励效果的方法。该方法由于不需要计算到失速边界,因此可以快速初判等离子激励的相对扩稳效果,为跨音环境下等离子扩稳方案的设计提供指导。

References

[1]  Vo H D. Control of Rotating Stall in Axial Compressors Using Plasma Actuators [R]. AIAA 2007--3845, 2007
[2]  Vo H D, Cameron J D, Morris S C. Control of ShortLength-Scale Rotating Stall Inception on High Speed Axial Compressor with Plasma Actuation [R]. ASME GT2008--50967, 2008
[3]  Vo H D. Rotating Stall Suppression in Axial Compressors with Casing Plasma Actuation [J]. Journal of Propulsion and Power, 2010, 26(4): 808--818
[4]  Jothiprasad G, Murray R C, Essenhigh K, et al. Control of Tip-clearance Flow in a Low Speed Axial Compressor Rotor with Plasma Actuation [J]. Journal of Turbomachinery, 2012, 134(1):02101
[5]  李钢, 杨凌元, 聂超群, 等.利用等离子体非定常射流实现单转子轴流压气机扩稳 [J].工程热物理学报, 2013, 34(1): 50--54 浏览
[6]  LI Gang, YANG Lingyuan, NIE Chaoqun, et al. Stall Margin Improment with Unsteady Plasma Jet Flow in a Axial Compressor Single Rotor [J]. Journal of Engineering Thermophysics, 2013, 34(1): 50--54 浏览
[7]  Suzen Y B, Huang P G, Jacob J D, et al. Numerical Simulations of Plasma Based Flow Control Applications [R]. AIAA 2005--4633, 2005
[8]  Houghton T, Day I. Enhancing the Stability of the Subsonic Compressor Using Casing Grooves [R]. ASME GT2009--59210,2009
[9]  Cumpsty N A. Compressor Aerodynamics [M]. England, Longman Scientific and Technical, 1989
[10]  Vo H D, Tan C S, Greitzer E M. Criteria for Spike Initiated Rotating Stall [J]. Journal of Turbomachinery, 2008,130(1):011023
[11]  Cameron J D, Morris S C. Spatial Correlation Based Stall Inception Analysis [R]. ASME GT2007-28268, 2007

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