Abstract: A pressurized solar reactor for effecting the thermochemical gasification of carbonaceous particles driven by concentrated solar energy is modeled by means of a reacting two-phase flow. The governing mass, momentum, and ...

Abstract: The optical design and thermal performance of a solar power tower system using an array of hightemperature pressurized airbased solar receivers is analyzed for Brayton, recuperated, and combined Brayton–Rankine cycles. ...

Abstract: A dynamic numerical model of a solar cavitytype reactor for the thermal dissociation of ZnO is formulated based on a detailed radiative heat transfer analysis combining the Monte Carlo raytracing technique and the radiosity ...

Abstract: A solardriven thermochemical pilot plant for the hightemperature thermal dissociation of ZnO has been designed, fabricated, and experimentally demonstrated. Tests were conducted at the largescale solar concentrating facility ...

Abstract: This work reports a numerical investigation of the transient operation of a 100-kWth solar reactor for performing the high-temperature step of the Zn/ZnO thermochemical cycle. This two-step redox cycle comprises (1) the ...

Abstract: This work reports on the development of a transient heat transfer model of a solar receiver–reactor designed for thermochemical redox cycling by temperature and pressure swing of pure cerium dioxide in the form of a ...

Abstract: This article reviews the progress, challenges and opportunities in heat transfer research as applied to hightemperature thermochemical systems that use highflux solar irradiation as the source of process heat. Selected ...