Abstract

An analytical solution (in series) for the equation of diffusion of external radiation over the two-dimensional rectangular region of a weakly absorbing and strongly scattering ceramic filling of a combination element of heat shielding is obtained under different conditions of reflection at the remaining boundaries of the calculation region. The results obtained by solving a set of diffusion and energy equations are given for two types of materials with different optical properties using ZrO2 and SiO2 as an example. The results are presented as a function of the hemispherical reflectivity of the metal–ceramic interface.

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