Abstract: The two-step solar-thermochemical cycle process for water splitting is a promising technology for hydrogen generation with very high theoretical efficiencies. This study investigates the operational behavior of a prototype solar reactor with thermal power of...
Abstract: This study addresses the direct reduction of iron ore with hydrogen and solar energy as the process heat source for clean iron/steel making and decarbonation of the metallurgical process. A novel rotary-type solar reactor was designed, constructed and tested...
Abstract: Concentrated solar thermal (CST) systems, capable of driving high-temperature processes up to 2000 K, hold significant potential for chemical and industrial applications. This paper reviews methods for measuring concentrated solar flux, focusing on their...
Abstract: The global freshwater crisis poses an existential threat to sustainable development worldwide. Desalination has emerged as a critical solution, but conventional fossil-fuel plants are energy-intensive and emit substantial greenhouse gases. Concentrating...
Abstract: Mixed chloride salts and mixed carbonates are ideal thermal storage materials for future high-temperature concentrated solar power (CSP) plants. However, due to the strong corrosiveness and poor thermal capacity of chloride salts as well as high material...
Abstract: Concentrated solar power integrated with the calcium looping process enables dispatchable power generation. However, from an equipment perspective, various challenges such as high energy demand of CO2 compressors and the immaturity of solid–solid heat...
Abstract: The solidification and molding of lunar regolith are essential for constructing lunar habitats. This study introduces an innovative lunar regolith molding technique that synergistically combines solar concentration, flexible optical fiber bundle energy...
Abstract The production of alternative renewable fuels is imperative for decarbonising hard-to-electrify sectors. Dimethyl ether (DME) is an aerosol propellant and a low-emission candidate for fossil fuel substitution. The main conventional DME production process is...
Abstract This research, developed in the framework of the SCARABEUS project, studies the off-design performance of transcritical power cycles running on C2-S2 mixtures in Concentrated Solar Power applications. The objective of this work is to identify optimum...
Abstract This paper proposes and builds the first megawatt thermal (MWth) class particle/supercritical carbon dioxide (sCO2) fluidized bed heat exchanger system for next generation concentrated solar power (CSP) plant. In this CSP plant, particles were chosen as the...
Abstract This paper aims to present a numerical study that aims to enhance the thermal efficiency of externally finned solar absorber tubes for use in the solar parabolic trough collector (SPTC). Compared to the internal finned tube, the external finned radiation...
Abstract: This paper concerns solar-to-thermal energy conversion processes in an open cavity volumetric receiver for a 50-MWth integrated beam-down receiver-storage concentrating solar thermal system. A multiphysical model was developed in a COMSOL Multiphysics 6.1...
Abstract: High–temperature solar reactors, which directly heat particle materials, are one of the promising paths leading to more sustainable industrial processes. In case of controlled atmosphere processes, the presence of a window could strongly increase the system...
Abstract One objective for the 3rd Generation of Concentrating Solar Power technologies is to improve the efficiency of Central Tower, which is among the most promising solar concentration technologies. Central Tower Power Generation Plants are made up of hundreds of...
Abstract A new optimization method was proposed to design high-performance deformable petal heliostat fields for concentrated solar power. The petal field was divided into individual sectors, each separately designed to balance pattern orderliness and flexibility. A...
Abstract Falling particle receiver (FPR) systems are a rapidly developing technology for concentrating solar power applications. Solid particles are used as both the heat transfer fluid and system thermal energy storage media. Through the direct irradiation of the...
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...
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...
Abstract: Volume-averaging method constitutes an efficacious approach for analyzing and optimizing the overall efficiency of the porous receivers. However, the accuracy in the prediction of heat transfer process is significantly contingent upon the precise assessment...
Abstract Concentrated Solar Power (CSP) systems utilizing tower technology are acknowledged as a promising solution for generating dispatchable and renewable electricity. In the pursuit of heightened efficiency and competitiveness, novel receiver technologies,...
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