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	Numerical analysis of aerodynamic noise radiated from cross flow fan
	Anbang Chen ; Song Li ; Dongtao Huang
	2010-10-12 ; 2010-10-12
关键词	Practical Theoretical or Mathematical/ aerodynamics blades fans flow Navier-Stokes equations numerical analysis pressure/ numerical analysis aerodynamic noise cross flow fan flow field 2D unsteady Reynolds-averaged Navier-Stokes equations pressure fluctuations blades vortex wall rear wall Ffowcs Williams-Hawkings equation noise field prediction/ A4740 Compressible flows shock and detonation phenomena A0260 Numerical approximation and analysis A4710 General fluid dynamics theory, simulation and other computational methods E2300 Mechanical machinery E2130 Fluid mechanics and aerodynamics (mechanical engineering) E0210L Numerical analysis
中文摘要	The flow field in a cross flow fan was simulated by solving the 2-D unsteady Reynolds-averaged Navier- Stokes equations. The calculated pressure fluctuations of the blades, the vortex wall, and the rear wall were then used as noise sources to calculate the sound field. The Ffowcs Williams-Hawkings (FW-H) equation was employed to predict the noise field caused by these sources. The predictions show that the rear wall and the vortex wall sources contribute significantly to the total noise and that both the predicted aerodynamic performance and noise agree well with the experimental results.
语种	英语
出版者	Springer ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/78974]
专题	清华大学
推荐引用方式 GB/T 7714	Anbang Chen,Song Li,Dongtao Huang. Numerical analysis of aerodynamic noise radiated from cross flow fan[J],2010, 2010.
APA	Anbang Chen,Song Li,&Dongtao Huang.(2010).Numerical analysis of aerodynamic noise radiated from cross flow fan..
MLA	Anbang Chen,et al."Numerical analysis of aerodynamic noise radiated from cross flow fan".(2010).

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