Space-time energy spectra in turbulent shear flows

doi:10.1103/PhysRevFluids.6.100504

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	Space-time energy spectra in turbulent shear flows
	Wu T(吴霆)1,2; He GW(何国威)1,2
刊名	PHYSICAL REVIEW FLUIDS
	2021-10-27
卷号	6 期号:10 页码:23
ISSN号	2469-990X
DOI	10.1103/PhysRevFluids.6.100504
通讯作者	He, Guowei(hgw@lnm.imech.ac.cn)
英文摘要	This article presents a review and perspectives on the models for space-time energy spectra in turbulent shear flows. The Taylor, Kraichnan-Tennekes, and elliptic approximation (EA) models are re-examined in terms of the picture of turbulent passage, which is proposed by Taylor's frozen-flow hypothesis and the Kraichnan-Tennekes random sweeping hypothesis; the stochastic dynamic models for reproduction of space-time energy spectra, such as dynamic autoregression model, are discussed; and the statistical models for reconstruction of space-time energy spectra from incomplete data sets in experimental measurements are revisited. We present three distinct approaches of successive approximation for developing the models of space-time energy spectra and use the conditional moments of energy distribution to characterize space-time energy spectra, such as propagation velocities and spectral bandwidths.
分类号	二类
资助项目	NSFC Basic Science Center Program for Multiscale Problems in Nonlinear Mechanics[11988102] ; National Natural Science Foundation of China[12002344] ; National Natural Science Foundation of China[11232011] ; National Natural Science Foundation of China[11572331] ; China Postdoctoral Science Foundation[2020M670478] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDB22040104] ; Key Research Program of Frontier Sciences of Chinese Academy of Sciences[QYZDJ-SSW-SYS002]
WOS关键词	LARGE-SCALE STRUCTURES ; WAVE-NUMBER ; ISOTROPIC TURBULENCE ; FREQUENCY-SPECTRUM ; WALL TURBULENCE ; AMPLIFICATION ; VELOCITY ; FLUCTUATIONS ; ENRICHMENT ; MODELS
WOS研究方向	Physics
语种	英语
WOS记录号	WOS:000715281800001
资助机构	NSFC Basic Science Center Program for Multiscale Problems in Nonlinear Mechanics ; National Natural Science Foundation of China ; China Postdoctoral Science Foundation ; Strategic Priority Research Program of Chinese Academy of Sciences ; Key Research Program of Frontier Sciences of Chinese Academy of Sciences
其他责任者	He, Guowei
内容类型	期刊论文
源URL	[http://dspace.imech.ac.cn/handle/311007/87901]
专题	力学研究所_非线性力学国家重点实验室
作者单位	1.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China 2.Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China;
推荐引用方式 GB/T 7714	Wu T,He GW. Space-time energy spectra in turbulent shear flows[J]. PHYSICAL REVIEW FLUIDS,2021,6(10):23.
APA	吴霆,&何国威.(2021).Space-time energy spectra in turbulent shear flows.PHYSICAL REVIEW FLUIDS,6(10),23.
MLA	吴霆,et al."Space-time energy spectra in turbulent shear flows".PHYSICAL REVIEW FLUIDS 6.10(2021):23.