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On a theory of mass transfer during the evaporation of a spherical droplet

机译:在球形液滴蒸发过程中的传质理论

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摘要

An analytic model of evaporation of a spherical droplet into the surrounding gas without consideration of the Stefan flow and vapor buoyancy is presented. This model is based on the use of the diffusion equation and contains a kinetic description of the evaporation process. In addition, this model is based on the assumption that droplet temperature does not change over time. In the framework of the presented model, an equation for the rate of droplet evaporation that is an alternative to the Fuchs equation is obtained. Analysis of the model showed that, depending on droplet size, evaporation can take place in three regimes.
机译:介绍了不考虑斯特凡流和蒸汽浮力的周围气体蒸发到周围气体的分析模型。 该模型基于扩散方程的使用并包含蒸发过程的动力学描述。 此外,该模型基于以下假设,即液滴温度不会随时间变化。 在所提出的模型的框架中,获得了液滴蒸发速率的等式,其是FUCHS方程的替代。 该模型的分析表明,取决于液滴尺寸,蒸发可以在三个方面进行。

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