Convective flow generated by lateral heating on a vertically stable solute gradient

Yu Hsiang Huang, Falin Chen, Chih Ang Chung

研究成果: 雜誌貢獻期刊論文同行評審

4 引文 斯高帕斯(Scopus)


We conduct a series of three-dimensional computations to investigate the convective flow generated by the interaction between the vertical solute gradient and the horizontal thermal gradient. The first set of computations is carried out under a wide range of boundary values considered by previous experimental studies, which mostly have a strongly stratified solute gradient. Results show that the convection invariably develops into the so-called fully developed flow composed of the largest number of horizontal convection layers under all the conditions considered. Within each layer, there prevails an array of salt-finger vortices. The multilayered structure changes with boundary values systematically, while the convection layer bears a layer thickness so that the positive thermal buoyancy can balance with the negative solute buoyancy. In the second set of computations, we consider the boundary conditions so that the thermal buoyancy is much larger than the solute buoyancy. In such a weakly stratified solute gradient and a thermal-diffusion-dominated environment, the computational domain is filled with a sizeable convective circulation while no salt finger occurs.

期刊Physical Review Fluids
出版狀態已出版 - 5月 2021


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