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Technical note Comparative study on the thermalperformances of solar air heater collectors with selectiveand nonselective absorber-plate

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  • Hachemi, A.

Abstract

The use of a selective absorber in a solar air collector permits the lowering of theforward heat loss by radiation to the environment. This technique improves the thermal heatperformance of the collector, but it raises the cost price of the installation. To increaseperformance, it is essential to reduce the absorber temperature and in consequence the forwardheat loss. To this effect, using finned systems, a fully developed turbulent flow is created, thatcools the absorber and raises the air temperature. That remedies the low thermophysicalproperties of the air and at the same time shows that the use of any black-painted plate, as anonselective absorber, permits the attainment of high thermal efficiencies with low cost.

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  • Hachemi, A., 1999. "Technical note Comparative study on the thermalperformances of solar air heater collectors with selectiveand nonselective absorber-plate," Renewable Energy, Elsevier, vol. 17(1), pages 103-112.
    • Handle: RePEc:eee:renene:v:17:y:1999:i:1:p:103-112
    DOI: 10.1016/S0960-1481(98)00021-4
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    References listed on IDEAS

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    1. Mishra, C.B. & Sharma, S.P., 1981. "Performance study of air-heated packed-bed solar-energy collectors," Energy, Elsevier, vol. 6(2), pages 153-157.
    2. 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.
    3. Yeh, Ho-Ming & Ting, Young-Chun, 1988. "Efficiency of solar air heaters packed with iron filings," Energy, Elsevier, vol. 13(7), pages 543-547.
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    1. Bouadila, Salwa & Kooli, Sami & Lazaar, Mariem & Skouri, Safa & Farhat, Abdelhamid, 2013. "Performance of a new solar air heater with packed-bed latent storage energy for nocturnal use," Applied Energy, Elsevier, vol. 110(C), pages 267-275.
    2. Türk Togrul, İnci & Pehlιvan, Dursun & Akosman, Cevdet, 2004. "Development and testing of a solar air-heater with conical concentrator," Renewable Energy, Elsevier, vol. 29(2), pages 263-275.
    3. Razak, A.A. & Majid, Z.A.A. & Azmi, W.H. & Ruslan, M.H. & Choobchian, Sh. & Najafi, G. & Sopian, K., 2016. "Review on matrix thermal absorber designs for solar air collector," Renewable and Sustainable Energy Reviews, Elsevier, vol. 64(C), pages 682-693.
    4. Karsli, Suleyman, 2007. "Performance analysis of new-design solar air collectors for drying applications," Renewable Energy, Elsevier, vol. 32(10), pages 1645-1660.
    5. Rajarajeswari, K. & Sreekumar, A., 2016. "Matrix solar air heaters – A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 57(C), pages 704-712.
    6. Wazed, M.A. & Nukman, Y. & Islam, M.T., 2010. "Design and fabrication of a cost effective solar air heater for Bangladesh," Applied Energy, Elsevier, vol. 87(10), pages 3030-3036, October.
    7. Sanda Budea, 2014. "Solar Air Collectors for Space Heating and Ventilation Applications—Performance and Case Studies under Romanian Climatic Conditions," Energies, MDPI, vol. 7(6), pages 1-12, June.
    8. Akpinar, Ebru Kavak & Koçyigit, Fatih, 2010. "Energy and exergy analysis of a new flat-plate solar air heater having different obstacles on absorber plates," Applied Energy, Elsevier, vol. 87(11), pages 3438-3450, November.

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