Laboratory Simulation Of Vertical Plume Dispersion Within A Convective Boundary Layer |
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| Authors: | O H Park S J Seo S H Lee |
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| Institution: | (1) Department of Environmental Engineering, Pusan National University, Pusan, 609-735, Korea |
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| Abstract: | Mesoscale measurements of the vertical dispersion coefficient  2 by using a composite turbulence water tank were validated through a comparison with CONDORS (Convective Diffusion Observed with Remote Sensors) field data, and were analysed with respect to the intensity of the thermal flux, mechanical turbulence, and plume release height.It seems possible to correct the plume z values for different release heights below 0.5zi (zi is the mixing height) by applying an equation expressing the height dependency of turbulence intensity. The downwind distance where the plume's mass centre height approaches its final level was also analysed with respect to the above three parameters, and an empirical equation to estimate the downwinddistance derived. |
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| Keywords: | Composite turbulence Convective boundary layer Plume centerline height Vertical dispersion coefficient Water tank experiment |
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