Large-Eddy Simulation of Turbulent Flow Over a Rough Surface

被引：0
|
作者：
Zhengtong Xie
Peter R. Voke
Paul Hayden
Alan G. Robins
机构：
[1] The University of Surrey,Fluids Research Centre, School of Engineering
来源：
Boundary-Layer Meteorology | 2004年 / 111卷
关键词：
Large-eddy simulation; Roughness; Subgrid-scale model; Wall model;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A family of wall models is proposed that exhibits moresatisfactory performance than previousmodels for the large-eddy simulation (LES) of the turbulentboundary layer over a rough surface.The time and horizontally averaged statistics such asmean vertical profiles of windvelocity, Reynolds stress, turbulent intensities, turbulentkinetic energy and alsospectra are compared with wind-tunnel experimental data.The purpose of the present study is to obtain simulatedturbulent flows that are comparable with wind-tunnelmeasurements for use as the wind environment for thenumerical prediction by LES of source dispersion in theneutral atmospheric boundary layer.
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收藏
页码：417 / 440
页数：23
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