Metallurgical and Materials Transactions, June 1st, 2001
A standard approach for the numerical modeling of macroscopic phase change processes in the convection-diffusion problem is the so-called "fixed-grid enthalpy-based" method.[1 ] In this method, the enthalpy is related to the liquid volume fraction of fluid in a control volume, which, in turn, determines a porous-medium-like resistance toward fluid flow in the phase changing domain.[2 ] For accurate prediction of the same, the latent heat content of each computational cell needs to be updated according to the temperature and/ or species concentration values predicted by the macroscopic conserva...
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