Research progress on numerical models of falling film evaporation

Falling film evaporation technology has been widely utilized in modern industries for its high efficiency and energy conservation. In the paper, the development of the numerical models for falling film and the prediction correlations for its heat and mass transfer coefficient are reviewed, the influences of flow rate, heat flux, tube diameter, and fluid temperature on the heat transfer process are presented as well. The achievement and weakness of the current researches are also discussed.