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A Numerical Simulation of Horizontal Convection in Mesoscale

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한국환경과학회지 (Journal of Environmental Science International)
한국환경과학회 (The Korean Environmental Sciences Society)
초록

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 this purpose, two-dimensional, nonrotating system was employed. If the heating is very strong, convection takes the form of a turbulent plume. Otherwise, remains laminar. If the partial heating at the bottom boundary is symmetric, the convection takes the form of axisymmetric with respect to the z-axis. but heating form is not so significant as to alter the main features of the horizontal convection. The convective motion consists of two-cell with the convergence 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 according to the increase of temperature difference between the center and side part of the bottom boundary.

저자
  • 정우식(부산대학교 대기과학과) | Woo-Sik Jung (Dept. of Atmospheric sciences , Pusan National University)
  • 이화운(부산대학교 대기과학과) | Hwa-Woon Lee (Dept. of Atmospheric sciences , Pusan National University)
  • 김유근(부산대학교 대기과학과) | Yoo-Keun Kim (Dept. of Atmospheric sciences , Pusan National University)
  • 김해동(기상연구소 원격탐사연구실) | Hae-Dong Kim (Remote Sensing Research Lab. Meteorological Research Institute)