Modelling strategies for porous structures as solar receivers in central receiver systems: A review

A.L. Avila-Marin, J. Fernandez-Reche and A. Martinez-Tarifa

Renewable and Sustainable Energy Reviews, 2019, vol. 111, issue C, 15-33

Abstract: An international effort is being made to contribute to greener electricity production. Solar Thermal Electricity (STE) has emerged as the favourite candidate due to the advantages associated with it such as dispatchability, maturity and scalability. Particular interest is raised by Central Receiver Systems (CRSs) due to their ability to work at higher temperatures and concentration factors than Parabolic Troughs. Among the different CRS technologies, Volumetric Absorbers (VAs) working with air have received renewed research interest. VAs consist of porous structures where air is heated directly by the porous matrix. An optimised morphological configuration is essential to increasing the thermal efficiency and minimizing thermal losses. The literature presents a large number of works dealing with VA issues and potentialities, and most of them focus on numerical simulation in order to assess an optimal geometrical design or to point out the best directions in terms of thermal behaviour.

Keywords: Central receiver system; Volumetric absorbers; Detail simulation; Homogeneous equivalent method; Review; Numerical simulation (search for similar items in EconPapers)
Date: 2019
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Citations: View citations in EconPapers (21)

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DOI: 10.1016/j.rser.2019.03.059

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