In this paper, a mathematical model is developed, which can be used to predict the evaporation and fluid flow in thin film region and the analytical solutions are obtained for the dimensionless heat flux distribution, the maximum heat flux, the location and thickness of the thin film corresponding to the maximum heat flux and the total heat transfer rate per unit width along the meniscus. The numerical results show the effects of the superheat on the profile of the thin film, the heat flux and its maximum value, in addition, the thickness of the thin film and the thermal resistance ratio when the heat flux reaches its maximum value. Finally, the heat transfer capacity of the thin film evaporation is compared with references.

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