This paper proposes an analytical approach to model the evaporation of multicomponent drops of general shape, which is based on the solution to Stefan Maxwell equations. The model predicts the quasi-steady molar fractions and temperature distributions in the gas phase as well as the heat rate and the species evaporation rates. The model unifies previous approaches to this problem, namely, for spherical and spheroidal drops, under a unique model and proposes solutions for other shapes and geometries, such as sessile drops and drop pairs. To assess the model, a comparison with a numerical solution to the conservation equations is also reported for both different drop configurations and different compositions.

(2022). Modeling the evaporation of multicomponent drops of general shape on the basis of an analytical solution to the Stefan-Maxwell equations [journal article - articolo]. In PHYSICS OF FLUIDS. Retrieved from https://hdl.handle.net/10446/234052

Modeling the evaporation of multicomponent drops of general shape on the basis of an analytical solution to the Stefan-Maxwell equations

Tonini, Simona;Cossali, Gianpietro
2022-01-01

Abstract

This paper proposes an analytical approach to model the evaporation of multicomponent drops of general shape, which is based on the solution to Stefan Maxwell equations. The model predicts the quasi-steady molar fractions and temperature distributions in the gas phase as well as the heat rate and the species evaporation rates. The model unifies previous approaches to this problem, namely, for spherical and spheroidal drops, under a unique model and proposes solutions for other shapes and geometries, such as sessile drops and drop pairs. To assess the model, a comparison with a numerical solution to the conservation equations is also reported for both different drop configurations and different compositions.
articolo
Tonini, Simona; Cossali, Gianpietro
(2022). Modeling the evaporation of multicomponent drops of general shape on the basis of an analytical solution to the Stefan-Maxwell equations [journal article - articolo]. In PHYSICS OF FLUIDS. Retrieved from https://hdl.handle.net/10446/234052
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10446/234052
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