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Title:
Space-Time Correlations and Dynamic Coupling in Turbulent Flows
Author: He GW(何国威); Jin GD(晋国栋); Yang Y; Davis SH; Moin P
Source: ANNUAL REVIEW OF FLUID MECHANICS VOL 49
Issued Date: 2017
Volume: 49, Pages:51-70
Abstract: Space-time correlation is a staple method for investigating the dynamic coupling of spatial and temporal scales of motion in turbulent flows. In this article we review the space-time correlation models in both the Eulerian and Lagrangian frames of reference which include the random sweeping and local straining models for isotropic and homogeneous turbulence Taylor's frozen-flow model and the elliptic approximation model for turbulent shear flows and the linear-wave propagation model and swept-wave model for compressible turbulence. We then focus on how space-time correlations are used to develop time-accurate turbulence models for the large-eddy simulation of turbulence-generated noise and particle-laden turbulence. We briefly discuss their applications to two-point closures for Kolmogorov's universal scaling of energy spectra and to the reconstruction of space-time energy spectra from a subset of spatial and temporal signals in experimental measurements. Finally we summarize the current understanding of space-time correlations and conclude with future issues for the field.
Keyword: Eulerian and Lagrangian time correlations ; large-eddy simulation ; Taylor's frozen-flow hypothesis ; time-accurate subgrid-scale model ; turbulence-generated noise ; particle-laden turbulence
Language: 英语
Indexed Type: SCI ; EI
DOI: 10.1146/annurev-fluid-010816-060309
DOC Type: Review
WOS Keyword Plus: LARGE-EDDY-SIMULATION ; HOMOGENEOUS ISOTROPIC TURBULENCE ; RAYLEIGH-BENARD CONVECTION ; SUBGRID-SCALE BACKSCATTER ; TAYLOR HYPOTHESIS ; SHEAR FLOWS ; CHANNEL FLOW ; JET NOISE ; STOCHASTIC BACKSCATTER ; THERMAL-CONVECTION
WOS ID: WOS:000396042600003
ISSN: 0066-4189
Department: LNM湍流
First Institution (Yes or Not): true
Citation statistics:
Content Type: 期刊论文
URI: http://dspace.imech.ac.cn/handle/311007/60602
Appears in Collections:非线性力学国家重点实验室_期刊论文

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Recommended Citation:
He GW,Jin GD,Yang Y,et al. Space-Time Correlations and Dynamic Coupling in Turbulent Flows[J]. ANNUAL REVIEW OF FLUID MECHANICS VOL 49,2017-01-01,49:51-70.
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