In the present work, an unified derivation of simple evaporation models used in spray simulation is described and a new evaporation model is formulated. In the model, the Nusselt number, Sherwood number, and evaporation mass flux are derived using the traditional film theory. However, instead of determining the film thicknesses using the Nusselt and Sherwood numbers derived in the absence of high mass transfer rate, the film thicknesses are calculated from those derived from the fully numerical solutions which represent the realistic heat and mass transfer processes around a droplet. The model predictions are compared with the fully numerical solutions.
An Investigation of Simple Evaporation Models Used in Spray Simulations
Contributed by the Heat Transfer Division for publication in the JOURNAL OF HEAT TRANSFER. Manuscript received by the Heat Transfer Division April 30, 2001; revision received July 8, 2002. Associate Editor: C. Thomas Avedisian.
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Yao, G. F., Abdel-Khalik , S. I., and Ghiaasiaan , S. M. (January 29, 2003). "An Investigation of Simple Evaporation Models Used in Spray Simulations ." ASME. J. Heat Transfer. February 2003; 125(1): 179–182. https://doi.org/10.1115/1.1517267
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