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Influence of the size of facets on point focus solar concentrators

Author

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  • Riveros-Rosas, David
  • Sánchez-González, Marcelino
  • Arancibia-Bulnes, Camilo A.
  • Estrada, Claudio A.

Abstract

It is a common practice in the development of point focus solar concentrators to use multiple identical reflecting facets, as a practical and economic alternative for the design and construction of large systems. This kind of systems behaves in a different manner than continuous paraboloidal concentrators. A theoretical study is carried out to understand the effect of the size of facets and of their optical errors in multiple facet point focus solar concentrating systems. For this purpose, a ray tracing program was developed based on the convolution technique, in which the brightness distribution of the sun and the optical errors of the reflecting surfaces are considered. The study shows that both the peak of concentration and the optimal focal distance of the system strongly depend on the size of the facets, and on their optical errors. These results are useful to help concentrator developers to have a better understanding of the relationship between manufacturing design restrictions and final optical behavior.

Suggested Citation

  • 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.
    • Handle: RePEc:eee:renene:v:36:y:2011:i:3:p:966-970
    DOI: 10.1016/j.renene.2010.08.038
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    References listed on IDEAS

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    1. 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.
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    Cited by:

    1. Wang, Jun & Yang, Song & Jiang, Chuan & Yan, Qianwen & Lund, Peter D., 2017. "A novel 2-stage dish concentrator with improved optical performance for concentrating solar power plants," Renewable Energy, Elsevier, vol. 108(C), pages 92-97.
    2. Giannuzzi, Alessandra & Diolaiti, Emiliano & Lombini, Matteo & De Rosa, Adriano & Marano, Bruno & Bregoli, Giovanni & Cosentino, Giuseppe & Foppiani, Italo & Schreiber, Laura, 2015. "Enhancing the efficiency of solar concentrators by controlled optical aberrations: Method and photovoltaic application," Applied Energy, Elsevier, vol. 145(C), pages 211-222.
    3. 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.
    4. Jafrancesco, D. & Sansoni, P. & Francini, F. & Contento, G. & Cancro, C. & Privato, C. & Graditi, G. & Ferruzzi, D. & Mercatelli, L. & Sani, E. & Fontani, D., 2014. "Mirrors array for a solar furnace: Optical analysis and simulation results," Renewable Energy, Elsevier, vol. 63(C), pages 263-271.
    5. Skouri, Safa & Ben Haj Ali, Abdessalem & Bouadila, Salwa & Ben Nasrallah, Sassi, 2015. "Optical qualification of a solar parabolic concentrator using photogrammetry technique," Energy, Elsevier, vol. 90(P1), pages 403-416.
    6. Yang, Song & Wang, Jun & Lund, Peter D. & Jiang, Chuan & Liu, Deli, 2018. "Assessing the impact of optical errors in a novel 2-stage dish concentrator using Monte-Carlo ray-tracing simulation," Renewable Energy, Elsevier, vol. 123(C), pages 603-615.
    7. Loni, R. & Kasaeian, A.B. & Askari Asli-Ardeh, E. & Ghobadian, B., 2016. "Optimizing the efficiency of a solar receiver with tubular cylindrical cavity for a solar-powered organic Rankine cycle," Energy, Elsevier, vol. 112(C), pages 1259-1272.
    8. Chemisana, D. & Barrau, J. & Rosell, J.I. & Abdel-Mesih, B. & Souliotis, M. & Badia, F., 2013. "Optical performance of solar reflective concentrators: A simple method for optical assessment," Renewable Energy, Elsevier, vol. 57(C), pages 120-129.
    9. Momeni, Farhang & Ni, Jun, 2018. "Nature-inspired smart solar concentrators by 4D printing," Renewable Energy, Elsevier, vol. 122(C), pages 35-44.
    10. Huang, Weidong & Huang, Farong & Hu, Peng & Chen, Zeshao, 2013. "Prediction and optimization of the performance of parabolic solar dish concentrator with sphere receiver using analytical function," Renewable Energy, Elsevier, vol. 53(C), pages 18-26.

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