Abstract
A new drop vaporization model incorporating the effects of transient heat and mass transfer between drop and gas is presented. The model is based on two ordinary differential equations with the correction function obtained from the analytical solution of the heat conductivity equation and is valid for arbitrary Lewis numbers. The model has been validated against the numerical solution of the transient conjugate problem of drop vaporization with regard for multicomponent diffusion for several primary reference hydrocarbons (n-heptane, n-decane, n-dodecane, and n-tetradecane) at the gas temperature ranging from 400 to 1500 K and pressure from 1 to 40 MPa. Comparison of the new model performance with a standard drop vaporization model used in commercial CFD codes is made within the same ranges of gas temperature and pressure. The new model was shown to provide more realistic characteristic times of drop heating and vaporization.
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Based on a talk presented at the Second International Symposium on Nonequilibrium Processes, Combustion, and Atmospheric Phenomena (Dagomys, Sochi, Russia, October 3–7, 2005).
Manuscript submitted by the author in English on March 15, 2006.
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Frolov, S.M., Frolov, F.S. & Basara, B. Simple model of transient drop vaporization. J Russ Laser Res 27, 562–574 (2006). https://doi.org/10.1007/s10946-006-0035-7
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DOI: https://doi.org/10.1007/s10946-006-0035-7