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Large-eddy simulation of turbulent flow over a rough surface

By Zhengtong Xie, Peter R. Voke, Paul Hayden and Alan G. Robins


A family of wall models is proposed that exhibits more satisfactory performance than previous models for the large-eddy simulation (LES) of the turbulent boundary layer over a rough surface.The time and horizontally averaged statistics such as mean vertical profiles of wind velocity, Reynolds stress, turbulent intensities, turbulent kinetic energy and also spectra are compared with wind-tunnel experimental data. The purpose of the present study is to obtain simulated turbulent flows that are comparable with wind-tunnel measurements for use as the wind environment for the numerical prediction by LES of source dispersion in theneutral atmospheric boundary layer

Topics: TD, QA
Year: 2004
OAI identifier: oai:eprints.soton.ac.uk:30170
Provided by: e-Prints Soton

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