Abstract

A stationary thermal model of an LCS-HR system is considered, taking into account the basic parameters of the problem: availability of a transparent screen, selectivity of the receiver, characteristics of the heat carrier and average concentration on the surface of the tubular receiver C”. Based on this model, an algorithm and program of numerical research of the thermal characteristics of the HR-temperature of heating and local and average coefficients of efficiency are developed. For possible concentrations, the selectivity of the receiver and the transparency of the screen in linear concentrators, the potential stationary heating temperatures, and the coefficients of efficiency for main three types of heat carriers—air, water, and liquid metal coolant—are studied. The time of achieving stationary values by the temperatures of the heat carrier is estimated.

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