Homogeneous equivalent model coupled with P1-approximation for dense wire meshes volumetric air receivers

Antonio L. Avila-Marin, Cyril Caliot, Monica Alvarez de Lara, Jesus Fernandez-Reche, Maria Jose Montes and Adela Martinez-Tarifa

Renewable Energy, 2019, vol. 135, issue C, 908-919

Abstract: A three dimensional homogeneous equivalent model to analyze the thermal behavior of open volumetric receivers made of staggered stack plain-weave wire meshes is presented. The main boundary conditions, optical and geometrical parameters, assumptions and methodology are described. Then, the model is compared with available literature data in a 3D simulation accounting for the inhomogeneous concentrated solar flux profile of the experiments. A parametric study is conducted to study the thermal behavior of different absorbers submitted to a homogeneous concentrated solar flux and to analyze the influence of the heat transfer coefficient and penetration depth.

Keywords: Porous media; Volumetric receiver; Modeling; CFD (search for similar items in EconPapers)
Date: 2019
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Citations: View citations in EconPapers (8)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:135:y:2019:i:c:p:908-919

DOI: 10.1016/j.renene.2018.12.061

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