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首页> 外文期刊>Journal of Heat Transfer >Thermosolutocapillary Convection in an Open Rectangular Cavity With Dynamic Free Surface
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Thermosolutocapillary Convection in an Open Rectangular Cavity With Dynamic Free Surface

机译：动态自由表面的矩形开放腔中的热溶质对流

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摘要

Thermosolutocapillary convection within a rectangular cavity with dynamic free surface is numerically investigated in the absence of gravitational effects. Both the temperature and solute concentration gradients are applied horizontally. The free surface deformation is captured by the level set method. Two cases of the ratio of thermal to solutal Maran-goni number R_σ ＜ -1 and R_σ = -1 are considered. For R_σ ＜-1, the free surface bulges out near the left wall and bulges in near the right wall; with the increase of Marangoni number, the free surface deformation decreases and with the increase of capillary number and aspect ratio, it increases. For R_σ = -1, the free surface bulges out near the left and right walls and bulges in at the central zone; with the increase of Marangoni number, the free surface deformation mode is changed and with the increase of capillary number and aspect ratio, the free surface deformation increases.
机译：在没有重力作用的情况下，对具有动态自由表面的矩形腔内的热溶胶对流进行了数值研究。温度和溶质浓度梯度均水平施加。自由曲面变形是通过水平设置方法捕获的。考虑了热与溶质马兰哥尼数之比R_σ＜-1和R_σ= -1的两种情况。对于R_σ＜-1，自由表面在左壁附近凸出，而在右壁附近凸出；随着Marangoni数的增加，自由表面变形减少，并且随着毛细管数和长径比的增加，自由表面变形增加。对于R_σ= -1，自由表面在左右壁附近凸出，并在中心区域凸出；随着Marangoni数的增加，自由表面的变形方式发生改变；随着毛细管数和长径比的增加，自由表面的变形也增加。

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