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Study and optimization of the thermal performances of the offset rectangular plate fin absorber plates, with various glazing

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  • Youcef-Ali, S.

Abstract

The low thermophysical characteristics of air used as a heat transfer fluid in the solar collectors with thermal conversion require a fully developed turbulent flow. This increases the thermal heat transfer between the absorber plate and the fluid, which clearly improves the thermal performances of the solar collector with obstacles arranged into the air channel duct. In the present work, we introduce, in solar collector, the offset rectangular plate fins, which are used in heat exchangers. An experimental investigation carried out showed the generated enhancement of thermal performance. The offset rectangular plate fins, mounted in staggered pattern, are oriented parallel to the fluid flow and are soldered to the underside of absorber plate. They are characterized by high heat transfer area per unit volume. High thermal performances are obtained with low pressure losses and in consequence a low electrical power consumption by the fan in comparison to the flat plate collector. The experimental results are all so compared by using two types of transparent cover; double and triple.

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  • Youcef-Ali, S., 2005. "Study and optimization of the thermal performances of the offset rectangular plate fin absorber plates, with various glazing," Renewable Energy, Elsevier, vol. 30(2), pages 271-280.
    • Handle: RePEc:eee:renene:v:30:y:2005:i:2:p:271-280
    DOI: 10.1016/j.renene.2004.04.009
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    References listed on IDEAS

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    1. Choudhury, C. & Garg, H.P., 1991. "Design analysis of corrugated and flat plate solar air heaters," Renewable Energy, Elsevier, vol. 1(5), pages 595-607.
    2. Hachemi, A., 1999. "Experimental study of thermal performance of offset rectangular plate fin absorber-plates," Renewable Energy, Elsevier, vol. 17(3), pages 371-384.
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    Cited by:

    1. Yang, Ming & Yang, Xudong & Li, Xing & Wang, Zhifeng & Wang, Pengsu, 2014. "Design and optimization of a solar air heater with offset strip fin absorber plate," Applied Energy, Elsevier, vol. 113(C), pages 1349-1362.
    2. Ruth M. Saint & Céline Garnier & Francesco Pomponi & John Currie, 2018. "Thermal Performance through Heat Retention in Integrated Collector-Storage Solar Water Heaters: A Review," Energies, MDPI, vol. 11(6), pages 1-26, June.
    3. Youcef-Ali, S. & Desmons, J.Y., 2006. "Numerical and experimental study of a solar equipped with offset rectangular plate fin absorber plate," Renewable Energy, Elsevier, vol. 31(13), pages 2063-2075.
    4. Velmurugan, V. & Naveen Kumar, K.J. & Noorul Haq, T. & Srithar, K., 2009. "Performance analysis in stepped solar still for effluent desalination," Energy, Elsevier, vol. 34(9), pages 1179-1186.
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    6. Debnath, Suman & Das, Biplab & Randive, P.R. & Pandey, K.M., 2018. "Performance analysis of solar air collector in the climatic condition of North Eastern India," Energy, Elsevier, vol. 165(PB), pages 281-298.
    7. Walmsley, Timothy Gordon & Philipp, Matthias & Picón-Núñez, Martín & Meschede, Henning & Taylor, Matthew Thomas & Schlosser, Florian & Atkins, Martin John, 2023. "Hybrid renewable energy utility systems for industrial sites: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 188(C).
    8. Colangelo, Gianpiero & Favale, Ernani & Miglietta, Paola & de Risi, Arturo, 2016. "Innovation in flat solar thermal collectors: A review of the last ten years experimental results," Renewable and Sustainable Energy Reviews, Elsevier, vol. 57(C), pages 1141-1159.

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