Abstract

The present study intends to evaluate heat conductance and mechanical strength at elevated temperature of a prototype of flat type receiver composed of carbon steel fin and copper tubes. Considering a compound circular plate composed of different kinds of material layers as an analytical model of the receiver, a mathematical analysis of plane axisymmetric transient heat conduction and thermal stresses for the plate is developed. Performing numerical calculation for a compound circular plate consisted of carbon steel layer and copper one, the effect of thickness of copper layer on spatial variations and time-evolutions of temperature change and thermal stresses is discussed briefly.

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