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《Acta Scicentiarum Naturalum Universitis Pekinesis》 2003-05
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Wavelet Analysis of Turbulent Signal in the Lee of Windbreak

LIN Guanming YE Wenhu (Department of Environmental Sciences,State Joint Key Lab of Environmental Simulation and Pollution Control,Peking University,Beijing,100871)  
The turbulent flow near the windbreak is simulated in the boundary layer wind tunnel.Wavelet analysis is used to study the turbulent signal in the lee side of the windbreak.Compared with the flow without windbreak,the turbulent energy and the frequency of vortex are reduced dramatically.The evidence shows how the windbreak prevents the dust emission.
【CateGory Index】: O357.5
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