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KMID : 1024519980070020233
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Journal of the Environmental Sciences
1998 Volume.7 No. 2 p.233 ~ p.241
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A Numerical Simulation of Horizontal Convection in Mesoscale
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Jung Woo-Sik
Lee Hwa-Woon
Kim Yoo-Keun
Kim Hae-Dong
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Abstract
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This study Is concerned with properties of a thermal convection in a stably stratified Boussinesq fluid caused by partial heating at the lower boundary. For thins purpose, two-dimensional, nonrotating system was employed. U the heating is very strong, convection takes the form of a turbulent plume. Othenuse, remains laminar. If the partial heating at the bottom boundary Is symmetric. the convection takes the form of a trubuient plume. Otherwise remains but beating form Is not so signiacant as to alter the vergence in the lower layer at the center of the partial heating area. The temperature perturbation is characterized by the temperature ’Cross-Over’ over the partial heating area. These features are cleared ac- cording to the Increase of temperature difference between the center and side part of the bottom boundary.
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KEYWORD
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horizontal convection, partial heating
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