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A flat-plate calorimeter for concentrated solar flux evaluation

Author

Listed:
  • Jaramillo, O.A.
  • Pérez-Rábago, C.A.
  • Arancibia-Bulnes, C.A.
  • Estrada, C.A.

Abstract

In order to evaluate the energy arriving at the focus of a solar concentrator named DEFRAC (from its Spanish acronym, Device for the Study of Concentrated Radiative Fluxes) a calorimetric study was carried out. We studied the heat transfer in the receiving plate of a calorimeter; the distribution of temperatures during the transient and steady states were obtained both theoretically and experimentally. We show that the calorimeter is close to ambient temperature which validates the use of the cold water calorimetry technique. Since the heat losses are reduced it is possible to increase the exactitude and precision during the thermal evaluation. Based on an energy balance, the solar energy absorbed by the receiver of the DEFRAC and the global heat losses to the environment are quantified.

Suggested Citation

  • Jaramillo, O.A. & Pérez-Rábago, C.A. & Arancibia-Bulnes, C.A. & Estrada, C.A., 2008. "A flat-plate calorimeter for concentrated solar flux evaluation," Renewable Energy, Elsevier, vol. 33(10), pages 2322-2328.
    • Handle: RePEc:eee:renene:v:33:y:2008:i:10:p:2322-2328
    DOI: 10.1016/j.renene.2008.01.020
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    Cited by:

    1. Wang, P. & Li, J.B. & Xu, R.N. & Jiang, P.X., 2021. "Non-uniform and volumetric effect on the hydrodynamic and thermal characteristic in a unit solar absorber," Energy, Elsevier, vol. 225(C).
    2. Perez-Enciso, Ricardo & Gallo, Alessandro & Riveros-Rosas, David & Fuentealba-Vidal, Edward & Perez-Rábago, Carlos, 2016. "A simple method to achieve a uniform flux distribution in a multi-faceted point focus concentrator," Renewable Energy, Elsevier, vol. 93(C), pages 115-124.
    3. Nidia Aracely Cisneros-Cárdenas & Rafael Cabanillas-López & Ricardo Pérez-Enciso & Guillermo Martínez-Rodríguez & Rafael García-Gutiérrez & Carlos Pérez-Rábago & Ramiro Calleja-Valdez & David Riveros-, 2021. "Study of the Radiation Flux Distribution in a Parabolic Dish Concentrator," Energies, MDPI, vol. 14(21), pages 1-15, October.
    4. Riveros-Rosas, David & Sánchez-González, Marcelino & Arancibia-Bulnes, Camilo A. & Estrada, Claudio A., 2011. "Influence of the size of facets on point focus solar concentrators," Renewable Energy, Elsevier, vol. 36(3), pages 966-970.
    5. Piña-Ortiz, A. & Hinojosa, J.F. & Pérez-Enciso, R.A. & Maytorena, V.M. & Calleja, R.A. & Estrada, C.A., 2019. "Thermal analysis of a finned receiver for a central tower solar system," Renewable Energy, Elsevier, vol. 131(C), pages 1002-1012.

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