Mass Transfer and Conservation from a Finite Source to an Infinite Media
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O. Samimi Abianeh
Abstract
A theoretical/computational approach has been developed to satisfy mass transfer rates and molar fraction constraints simultaneously when modeling mass transfer from a finite source towards an infinite surrounding media. The procedure is based on using a mass balance of individual molecular species coupled with individual mass transfer rates. Since the surrounding media is assumed insoluble in the finite media, the total number of moles transferred across the interface is computed on the basis of modified molar fractions of the transferring species. Two simple examples are shown: the first is an evaporating droplet in air and the second example is a droplet being dissolved in water. These examples have very large differences in time scales and illustrate the versatility and accuracy of the computational procedure.
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©2013 by Walter de Gruyter Berlin / Boston
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- Editorial
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- Articles
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- Two-Dimensional Modeling of an Externally Irradiated Slurry Photoreactor
- Role of Aspect Ratio and Joule Heating within the Fluid Region Near a Cylindrical Electrode in Electrokinetic Remediation: A Numerical Solution based on the Boundary Layer Model
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