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Marangoni convection in an evaporating droplet: Analytical and numerical descriptions

机译:蒸发液滴中的马兰戈尼对流:分析和数值描述

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摘要

The stationary single vortex Marangoni convection in an axially symmetrical sessile drop of capillary size is considered. The detailed description of the fluid flows is presented for a wide range of contact angles, which takes into account the boundary conditions and the mass balance equation, without explicitly solving the Navier-Stokes equations. The analytical approach developed is compared with the results of numerical simulations and demonstrated to describe reasonably well the single-vortex Marangoni flows. This indicates the substantial role of the boundary conditions in the problem.
机译:考虑了在毛细管尺寸的轴向对称无柄液滴中的固定单涡旋Marangoni对流。流体流动的详细描述针对各种接触角,考虑了边界条件和质量平衡方程,而没有明确求解Navier-Stokes方程。将开发的分析方法与数值模拟的结果进行了比较,并证明了该方法可以很好地描述单涡旋Marangoni流。这表明边界条件在问题中的重要作用。

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