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Heat losses from a paraboloid concentrator solar cooker: Experimental investigations on effect of reflector orientation

Author

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  • Kumar, Subodh
  • Kandpal, T.C.
  • Mullick, S.C.

Abstract

The thermal performance of any focussing-type solar cooker, where an unglazed/uuninsulated cooking pot is often used, depends to a great extent on wind conditions. Moreover, these cookers need frequent adjustments to track the Sun in order to keep the focus always at the bottom of the cooking pot. The present paper reports experimental investigations on heat losses from such cooker for different orientations of the paraboloied reflector. Values of the heat loss factor for the tilted reflector are compared with those obtained with the reflector in a horizontal position. The heat loss factore for a cooker with/without reflector is determined for no-wind conditions. It is suggested that a paraboloid reflector is not required for heat loss determination in this case.

Suggested Citation

  • Kumar, Subodh & Kandpal, T.C. & Mullick, S.C., 1993. "Heat losses from a paraboloid concentrator solar cooker: Experimental investigations on effect of reflector orientation," Renewable Energy, Elsevier, vol. 3(8), pages 871-876.
    • Handle: RePEc:eee:renene:v:3:y:1993:i:8:p:871-876
    DOI: 10.1016/0960-1481(93)90044-H
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    Cited by:

    1. Indora, Sunil & Kandpal, Tara C., 2018. "Institutional and community solar cooking in India using SK-23 and Scheffler solar cookers: A financial appraisal," Renewable Energy, Elsevier, vol. 120(C), pages 501-511.
    2. Lahkar, Pranab J. & Bhamu, Rajesh K. & Samdarshi, S.K., 2012. "Enabling inter-cooker thermal performance comparison based on cooker opto-thermal ratio (COR)," Applied Energy, Elsevier, vol. 99(C), pages 491-495.
    3. Lahkar, Pranab J. & Samdarshi, S.K., 2010. "A review of the thermal performance parameters of box type solar cookers and identification of their correlations," Renewable and Sustainable Energy Reviews, Elsevier, vol. 14(6), pages 1615-1621, August.
    4. Indora, Sunil & Kandpal, Tara C., 2018. "Institutional cooking with solar energy: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 84(C), pages 131-154.
    5. Cuce, Erdem & Cuce, Pinar Mert, 2013. "A comprehensive review on solar cookers," Applied Energy, Elsevier, vol. 102(C), pages 1399-1421.
    6. Sammouda, H. & Royere, C. & Belghith, A. & Maalej, M., 1999. "Reflected radiance distribution law for a 1000 kW thermal solar furnace system," Renewable Energy, Elsevier, vol. 17(1), pages 9-20.
    7. Kumar, Subodh & Kandpal, T.C. & Mullick, S.C., 1996. "Experimental test procedures for determination of the optical efficiency factor of a parabolloid concentrator solar cooker," Renewable Energy, Elsevier, vol. 7(2), pages 145-151.
    8. Purohit, Ishan, 2010. "Testing of solar cookers and evaluation of instrumentation error," Renewable Energy, Elsevier, vol. 35(9), pages 2053-2064.

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