The Stefan problem of a binary liquid mixture

The Stefan problem of a binary liquid mixture

Isothermal evaporation of a binary liquid mixture into the air is studied, taking into account diffusion in the liquid phase as well as the moving interface during evaporation. The analysis is extended to measure the binary liquid diffusion coefficient by observing the position of liquid-gas interfa...

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Veröffentlicht in:Chemical engineering science 1997-04, Vol.52 (8), p.1237-1242
Hauptverfasser: Mhetar, Vijay R., Slattery, John C.
Format: Artikel
Sprache:eng
Schlagworte:
Chemistry
diffusion coefficient
evaporation
Exact sciences and technology
Gas-liquid interface and liquid-liquid interface
General and physical chemistry
multicomponent diffusion
Stefan problem
Surface physical chemistry
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Zusammenfassung:Isothermal evaporation of a binary liquid mixture into the air is studied, taking into account diffusion in the liquid phase as well as the moving interface during evaporation. The analysis is extended to measure the binary liquid diffusion coefficient by observing the position of liquid-gas interface. The resulting diffusion coefficient is in good agreement with the reported value.
ISSN:0009-2509
1873-4405
DOI:10.1016/S0009-2509(96)00487-3