An exact solution of the mass transport equations for spheroidal evaporating drops

S. Tonini; G.E. Cossali

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An exact solution of the mass transport equations for spheroidal evaporating drops

机译：球状液滴的传质方程的精确解

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The evaporation rate, the surface vapour flux, the vapour and temperature distribution around a spheroidal drop under steady-state conditions are predicted by means of an exact solution of the species and energy transport equations in spheroidal coordinate systems. The effect of deviation from spherical shape on mass transfer can be calculated, for oblate and prolate drops, by a simple equation that generalises the well known results for spherical drops. A direct dependence of the local vapour flux on the surface Gaussian curvature is evidenced.

机译：通过在球形坐标系中对物质和能量传输方程的精确解，可以预测稳态条件下球状液滴周围的蒸发速率，表面蒸气通量，蒸气和温度分布。对于扁球形液滴和扁球形液滴，可以通过一个简单的方程式来计算偏离球形的形状对传质的影响，该方程式可以概括众所周知的球形液滴的结果。证明了局部蒸气通量直接依赖于表面高斯曲率。

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来源
《International Journal of Heat and Mass Transfer》 |2013年第5期|236-240|共5页
作者
S. Tonini; G.E. Cossali;
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作者单位

Industrial Engineering Department, University of Bergamo, Viale Marconi 5, 24044 Dalmine, Italy;

Industrial Engineering Department, University of Bergamo, Viale Marconi 5, 24044 Dalmine, Italy;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
evaporation; spheroidal drop; analytical solution; gaussian curvature;

机译：蒸发;球状滴分析溶液;高斯曲率;

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An exact solution of the mass transport equations for spheroidal evaporating drops

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