Experimental and numerical analysis of heat transfer in a particle-based concentrated solar power receiver
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A new concept has been developed by the National Renewable Energy Laboratory to realize the advantages of particle-based concentrated solar power with thermal energy storage. This concept uses an array of horizontal, hexagonal absorber tubes to capture sunlight and transfer heat to particles flowing over the heated tube surfaces. The granular flow heat transfer characteristics are critical to the design of the system but are not well understood. This research seeks to characterize heat transfer within this solar receiver concept by experimentally measuring heat transfer coefficients and developing ...