The thickness of a laminar liquid film draining from a vertical surface is found analytically under the assumption that the evaporation rate from the surface of the film is a known constant. The transient is studied as well as the steady solution. Expressions are found for the location where the film vanishes as well as for the rate of evaporation and total mass evaporated until any time.
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Evaporation From a Draining Liquid Film
J. R. O’Loughlin
Launch Systems Branch, The Boeing Company; Tulane University, New Orleans, La.
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O’Loughlin, J. R. (February 1, 1966). "Evaporation From a Draining Liquid Film." ASME. J. Heat Transfer. February 1966; 88(1): 77–79. https://doi.org/10.1115/1.3691485
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