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Dissolution and solutal convection in partially miscibile liquid systems

机译:部分可混合液体系统中的溶解度和对流对流

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摘要

A numerical model is developed to study the dissolution of droplets in a binary mixture with miscibility gap. The moving boundary problem is solved with a modified volume of fraction method to compute the time evolution of the average drop radius and the velocity and concentration distributions around the dissolving drop. The modeling results are presented to explain experimental findings that show stable and oscillatory plumes rising from droplets of methanol that dissolve into a cyclohexane liquid matrix.
机译:建立了一个数值模型来研究具有混溶间隙的二元混合物中液滴的溶解。用改进的体积分数法解决了移动边界问题,以计算平均液滴半径的时间演变以及溶解液滴周围的速度和浓度分布。给出建模结果以解释实验结果,这些结果表明稳定且振荡的羽流从溶解于环己烷液体基质的甲醇液滴中升起。

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