Abstract
The main stages of creation of the multiphysical mathematical model of heat exchange in receiver system of the solar thermodynamic system with concentrator are presented in this study. The statistic approach for modeling of the heat fluxes in system «concentrator – heat receiver» is used in first stage. Obtained distribution of concentrated solar flow at outer heat receiver surface is applied as boundary condition for numerical modeling of the convective heat exchange in the heat transfer fluid. The average heat transfer fluid temperature is found in the second stage research. This temperature is determined type of the thermal storage material for the thermal storage module with phase change «solid - liquid». Geometry of the thermal storage module, temperature fields in the thermal storage material, heat transfer flow rate, which ensures given input temperature in energy conversion system were determined.
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