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Heliostats in the solar field concentrate sunlight up to the receiver atop the tower in Tower CSP, to heat molten salts. All twenty-four Tower CSP plants currently operating or under construction in China’s 1 GW renewable energy parks utilize molten salts to transfer the solar heat. Nearly all the Tower-type Concentrated Solar Power (CSP) plants …
Continue reading “Optimizing the safety factor in high temperature solar absorbers”
Abstract: This study investigates the thermal performance of cavity-shaped porous solar receivers (C-PSR) designed to reduce peak solid temperature and re-radiation losses by optimizing the matching between the heat transfer fluid mass velocity and concentrated solar flux. In this study, a C-PSR prototype was fabricated and evaluated on an indoor sun simulator platform to validate …
Abstract: An experimental and computational research was performed to explore the augmentation of turbulent convection in a solar receiver channel by utilizing louver-punched V-type winglets (LPVWs) that were fixed to the absorber plate. The simulation utilized the realizable k-ε turbulent model, and the predicated outputs were verified by the relevant measured data. At a fixed …