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Thermal performance of different pond cells under actual climatic conditions in Qatar

Author

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  • Marafia, A-Hamid
  • Nasser, Sami
  • Sayigh, Ali

Abstract

Experimental work was undertaken to study the thermal performance of three different pond cells under actual climatic conditions of Qatar. The first cell was an open pond. In the second unit, a finned radiator, painted black, was placed over the pond. In the third cell, the water was contained in a polyethylene bag. Experimental results indicated that the exposed pond cell came out best, when considered in terms of how quickly the temperature of the stored water could be reduced, and how low that temperature could be. The water in the exposed pond was cooled directly (by evaporation and radiation to sky) whereas in the case of the finned radiator cell, heat had to be transferred from the stored water to the radiator, and then from the radiator to the surrounding. In the case of water-in-bag cell, evaporation was eliminated and radiative exchange with the sky was reduced due to the partial transparency of the polyethylene bag (in the infrared region).

Suggested Citation

  • Marafia, A-Hamid & Nasser, Sami & Sayigh, Ali, 1999. "Thermal performance of different pond cells under actual climatic conditions in Qatar," Renewable Energy, Elsevier, vol. 16(1), pages 695-699.
    • Handle: RePEc:eee:renene:v:16:y:1999:i:1:p:695-699
    DOI: 10.1016/S0960-1481(98)00254-7
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    Cited by:

    1. Doukas, Haris & Patlitzianas, Konstantinos D. & Kagiannas, Argyris G. & Psarras, John, 2006. "Renewable energy sources and rationale use of energy development in the countries of GCC: Myth or reality?," Renewable Energy, Elsevier, vol. 31(6), pages 755-770.

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