用基于声类比的边界元计算管道风扇的管道声传播和辐射

工程热物理学报 , 2003, 24(3): 403-405.

1.北京航空航天大学动力系,北京,100083

2.北京航空航天大学动力系,北京,100083

3.北京航空航天大学动力系,北京,100083

基金项目: 国家自然科学基金(10272015)

PREDICTION OF SOUND PROPAGATION/RADIATION OF DUCTED-FAN BY USING BEM BASED ON ACOUSTIC ANALOGY THEORY

本文介绍了用基于声类比的边界元计算管道风扇声场的新方法,将已被成功地应用于物体对外声场的散射计算方法推广应用到管道风扇的管内声传播和管口声辐射问题.数值结果表明了模型和方法的正确性及其可以作为管道声处理降噪效果预测的工具.

[1]	M H Dunn .TBIEM3D-A Computer Program for Predicting Ducted Fan Engine Noise. Version 1.1[Z].NASA/CR-97-206232,1997.
[2]	M. H. Dunn;J. Tweed;F. Farassat .The application of a boundary integral equation method to the prediction of ducted fan engine noise[J].Journal of Sound and Vibration,1999(5):1019-1048.
[3]	Wang TQ.;Zhou S. .Investigation on sound field model of propeller aircraft - The effect of rigid fuselage boundary[J].Journal of Sound and Vibration,1998(2):317-328.
[4]	T Q Wang;S Zhou .Investigation on Sound Field Model of Propeller Aircraft-the Effect of Vibrating uselage Boundary[J].Journal of Sound and Vibration,1998,209(02):317-328.
[5]	L N Long .The Compressible Aerodynamics of Rotating Blade based on Acoustic Formulation[R].NASA TP-2197,1983.

上一张下一张

计量

作者相关

文章评分