The effect of thermal radiation on the propagation of temperature waves in a semitransparent medium |
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Authors: | A. V. Galaktionov |
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Affiliation: | 1.Joint Institute for High Temperatures,Russian Academy of Sciences (IVTAN),Moscow,Russia |
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Abstract: | The propagation of temperature waves arising as a result of periodic external thermal stimulation is investigated in a plane layer of semitransparent absorbing and radiating medium without scattering. The classification of temperature waves on the basis of two dimensionless parameters is suggested. It is rigorously demonstrated that not more than two temperature waves may simultaneously exist in a gray semi-infinite medium. The relative contribution of radiation to complex heat transfer is estimated. The system of equations of radiative-conductive heat transfer is reduced to a single integral equation on the boundary. The effect of reflection on the boundary is discussed. |
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