Abstract

We consider a multilayer wall of the apparatus, consisting of dissimilar materials, having heat loading during heat transfer in the form of conduction (thermal conductivity). Using the basic law of thermal conductivity, mathematical expressions are derived that makes it possible to calculate the basic indicators of thermal conductivity for various multilayer walls consisting of different materials. As a demonstration of the application of the above approach, an example of calculating the equivalent coefficient of thermal conductivity and specific heat flux of a printed circuit board is given.

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