Experiments On Buoyant Plume Dispersion In A Laboratory Convection Tank

被引：0
|
作者：
Jeffrey C. Weil
William H. Snyder
Robert E. Lawson
Michael S. Shipman
机构：
[1] University of Colorado,Cooperative Institute for Research in Environmental Sciences
[2] National Center for Atmospheric Research,Atmospheric Sciences Modeling Division, Air Resources Laboratory
[3] National Oceanic and Atmospheric Administration,undefined
[4] Geophex,undefined
[5] Ltd.,undefined
来源：
Boundary-Layer Meteorology | 2002年 / 102卷
关键词：
Atmospheric dispersion; Buoyant plumes; Concentrations; Convection tank; Convective boundary layer; Laboratory simulations;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Plume dispersion in the convective boundary layer (CBL) is investigated experimentally in a laboratory convection tank. The focusis on highly-buoyant plumes that loft near or become trapped in the CBL capping inversion and resistdownward mixing. Such plumes are defined by dimensionless buoyancy fluxes F*≳ 0.1, where F* = Fb/(U w*2 zi), Fb is the stack buoyancy flux,U is the mean wind speed, w* is the convective velocity scale, and zi is the CBL depth. The aim is to obtain statistically-reliable mean (C) and root-mean-square (rms, σc) concentration fields as a function of F* and the dimensionless distance X = w*x/(U zi), where x is the distance downstream of the source.
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页码：367 / 414
页数：47
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