Lower Bound Estimates of the Mass Transfer Coefficient from an Evaporating Liquid Droplet—The Effect of High Interfacial Vapor Velocity
Lower Bound Estimates of the Mass Transfer Coefficient from an Evaporating Liquid Droplet—The Effect of High Interfacial Vapor Velocity
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DOI：
10.1081/drt-200047669
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发表时间：
2005-02
影响因子：
3.3
通讯作者：
X. Dong Chen
中科院分区：
文献类型：
--
作者：
X. Dong Chen
摘要：在这里，一组简化的方程，强调高质量通量（或高界面蒸汽速度）的界面处的蒸发球已被解析求解。分析仅限于静止和无重力的情况。然而，获得的修正系数可能以与之前其他研究相同的方式适用于非零雷诺数情况。作者以简单的方式证明了当界面质量通量变得很大时，传质系数预计会在很大程度上降低。
Abstract: Here, a set of simplified equations, which emphasize the high mass-flux (or high interfacial vapor velocity) at the interface of an evaporating sphere has been solved analytically. The analysis is restricted to the stationary and no-gravity case. The correction factor obtained may, however, be applicable to non-zero Reynolds number situations in the same way as in other previous studies. The author has demonstrated in a simple manner that the mass transfer coefficient is expected to reduce to a large extent when the interfacial mass flux becomes very large.