The influence of optical properties on radiative-conductive heat exchange in a layer with a phase transition

S. D. Sleptsov^a, M. A. Grishin^ab, O. V. Sharypov<sup>ab

a</sup> S.S. Kutateladze Institute of Thermophysics, Siberian Division of the Russian Academy of Sciences
^b Novosibirsk State University

Abstract: Radiative-conductive heat exchange with the melting of a flat layer of gray semitransparent isotropically scattering medium has been analyzed by methods of mathematical simulation. A nonlinear initial boundary problem with a moving free phase-transition boundary is considered within a single-phase statement of the Stefan problem with allowance for the thermal radiation. The temperature distributions are obtained, and the influence of bulk and surface optical characteristics of the material on the layer melting is analyzed.

Received: 26.09.2014

 English version: Technical Physics Letters, 2015, 41:5, 448–451

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