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航空学报  2015 

某空腔低速流动噪声风洞试验

DOI: 10.7527/S1000-6893.2014.0278, PP. 2145-2154

Keywords: 空腔,脉动压力,流动噪声,相阵列,风洞试验

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Abstract:

针对某空腔低速流动噪声机理问题,发展并应用了脉动压力风洞试验及相阵列风洞试验相结合的方法。脉动压力试验是通过离散点测量方法获得空腔内典型测点的脉动压力统计参数及其功率谱密度函数。脉动压力功率谱存在典型的特征频率,从脉动压力功率谱密度函数中提取空腔流动特征频率,相阵列试验针对空腔流动特征频率所对应的声源进行逐一声源辨识及声源强度评估,声源强度随来流的变化关系与脉动压力变化规律相符合。针对某空腔结构的脉动压力风洞试验及相阵列风洞试验相结合的方法为空腔流动机理认识及空腔流动噪声控制技术研究提供了有效技术手段。

References

[1]  Michael F. An experimental investigation of pressure oscillations in two-dimensional open cavities [D]. Ohio: Air Force Institute of Technology (Wright-Patterson AFB), 1975.
[2]  Richard E. Cavity aero-acoustics,AD-A223 853[R]. Bath England: Store Carriage, Interaction and Release Conference, 1990.
[3]  Long D F. An examination of pressure fluctuations in open cavities at transonic speeds, AIAA-2003-3100[R]. Reston: AIAA, 2003.
[4]  Alvarez J O, Kerschen E J, Tumin A. A theoretical model for cavity acoustic resonances in subsonic flow, AIAA-2004-2845[R]. Reston: AIAA, 2004.
[5]  Ritchie S A, Lawson J, Knowles K. Application of particle image velocimetry to transonic cavity flows, AIAA-2005-1060[R]. Reston: AIAA, 2005.
[6]  Avelar A C, Fico N G C R, Faria Mell O A.Three-dimensional flow over shallow cavities, AIAA-2007-4234[R]. Reston: AIAA, 2007.
[7]  Avelar A C, Fico N G C R, Faria Mell O A, et al. An experimental investigation of flow over shallow cavities ,AIAA-2008-4055[R]. Reston: AIAA, 2008.
[8]  Sun M B, Liang J H, Wang Z G. Study on self-sustained oscillation characteristics of cavity flame holders for scramjet application, AIAA-2007-3401[R]. Reston: AIAA,2007.
[9]  Kidd J A. Characterization of flow over and downstream of deep rectangular cavities at subsonic speeds, AIAA-2013-0091[R]. Reston: AIAA, 2013.
[10]  Wu J F, Luo X F, Fan Z L.Experimental investigation of cavity flow characteristics at subsonic, transonic and supersonic speeds [J]. Journal of Experiments in Fluid Mechanics, 2008, 22(1): 71-75 (in Chinese). 吴继飞, 罗新福, 范召林. 亚、跨、超声速下空腔流 场特性实验研究[J]. 实验流体力学, 2008, 22(1): 71-75.
[11]  Yang D G, Li J Q. Investigation on aerodynamic noise characteristics of cavity flow at high subsonic speeds[J]. Acta Aerodynamica Sinica, 2010, 28(6): 703-707 (in Chinese). 杨党国, 李建强. 高亚声速空腔绕流气动噪声特性研究[J]. 空气动力学报, 2010, 28(6): 703-707.
[12]  Wan Z H, Zhou L, Sun D J. Numerical investigation of flow induced oscillations and noise from a rectangular cavity[J]. Acta Aerodynamica Sinica, 2012, 30(3): 291-298 (in Chinese). 万振华, 周林, 孙德军. 方腔流致振荡及噪声的数值研究[J]. 空气动力学学报, 2012, 30(3): 291-298.
[13]  Mueller T. Aero-acoustic measurements[M]. Berlin: Springer, 2002: 96-104.
[14]  Patricioa A R. Lore approach for phased array measurements and noise control of landing gears[D]. Virginia: Virginia Ploytechnic Institute and State University, 2005.
[15]  Zhao X J, Zhao L. The study of noise source identifying in wind tunnel with clean arithmetic based on spatial source cohence [J].Acta Aerodynamica Sinica, 2013, 31(2): 239-243 (in Chinese). 赵小见, 赵磊. 基于相干声源CLEAN常规风洞声源辨识研究[J]. 空气动力学学报, 2013, 31 (2): 239-243.
[16]  Dougherty R P. Extensions of DAMAS and benefits and limitations of deconvtution in beamformig, AIAA-2005-2961[R]. Reston: AIAA, 2005.
[17]  Sijtsma P. CLEAN based on spatial source coherence, AIAA-2007-3436 [R]. Reston: AIAA, 2007.
[18]  Zhao X J, Zhao L. The new exploration of noise source identifying in closed wind-tunnel[J]. Acta Aerodynamica Sinica, 2014, 32(2): 166-170 (in Chinese). 赵小见, 赵磊. 常规风洞气动噪声声源辨识研究新探索[J]. 空气动力学学报, 2014, 32(2): 166-170.

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