Abstract

Numerical solution was obtained for the Stefan problem applied to non-stationary radiative-convective heat transfer during turbulent flow past a horizontal evaporating semitransparent melt film; the turbulent flow takes place for hot gas mixture carrying solid particles. The flowing film was heated intensively by radiation from an external heat source. Radiation passes through the gas-solid particle layer and the film and interacts with medium for a limited spectral interval. Simulation offers temperature fields and velocity fields for the boundary layer and the film. Simulation results are the basis for analysis of influence of radiation on dynamics of temperature fields and on the velocity of evaporation boundary.

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