In this paper solved the heat conduction problem for the system-the object of heat-insulation-environment (indoor air) considering natural convection. New variant substantiation of a choice the room temperature is proposed based on mathematical modelling.

Abstract. In this article heat transfer in a multi-layered plate (human skin and thermal insulation) with various boundary conditions is considered. This allows you to justify the choice of air temperature in the production premises.

Abstract. This paper been solved the task of thermal conductivity for the system "the object of heating -thermal insulation layer -the external environment." The impact of the main groups of factors on the temperature of heating the object surface has been shown.

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