Acoustic Calculation for Supersonic Turbulent Boundary Layer Flow

	Acoustic Calculation for Supersonic Turbulent Boundary Layer Flow
	Li XL(李新亮); Fu DX(傅德薰); Ma YW(马延文); Gao H(高慧)
发表期刊	Chinese Physics Letters
	2009
卷号	26 期号:9 页码:094701-1-4
ISSN	0256-307X
摘要	An approach which combines direct numerical simulation (DNS) with the Lighthill acoustic analogy theory is used to study the potential noise sources during the transition process of a Mach 2.25 flat plate boundary layer. The quadrupole sound sources due to the flow fluctuations and the dipole sound sources due to the fluctuating surface stress are obtained. Numerical results suggest that formation of the high shear layers leads to a dramatic amplification of amplitude of the fluctuating quadrupole sound sources. Compared with the quadrupole sound source, the energy of dipole sound source is concentrated in the relatively low frequency range.
关键词	Direct Numerical-simulation Sound
学科领域	分层流
收录类别	SCI ; EI ; CSCD
语种	英语
WOS记录号	WOS:000269559000048
关键词[WOS]	DIRECT NUMERICAL-SIMULATION ; SOUND
WOS研究方向	Physics
WOS类目	Physics, Multidisciplinary
引用统计	被引频次：17[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://dspace.imech.ac.cn/handle/311007/33060
专题	高温气体动力学国家重点实验室
通讯作者	Li XL(李新亮)
推荐引用方式 GB/T 7714	Li XL,Fu DX,Ma YW,et al. Acoustic Calculation for Supersonic Turbulent Boundary Layer Flow[J]. Chinese Physics Letters,2009,26,9,:094701-1-4.
APA	李新亮,傅德薰,马延文,&高慧.(2009).Acoustic Calculation for Supersonic Turbulent Boundary Layer Flow.Chinese Physics Letters,26(9),094701-1-4.
MLA	李新亮,et al."Acoustic Calculation for Supersonic Turbulent Boundary Layer Flow".Chinese Physics Letters 26.9(2009):094701-1-4.

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