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Performance of a solar drier with and without heat storage material for copra drying


  • M. Mohanraj
  • P. Chandrasekar


An indirect forced convection solar drier integrated with heat storage material was developed to test its performance for copra drying. The drier consists of a solar flat plate air heater integrated with a sensible heat storage unit, a drying chamber and a centrifugal blower. The experiments were carried out with and without the integration of heat storage materials. Sand mixed with aluminium scrap was used as a heat storage material in solar air heater. The moisture content (wet basis) of copra was reduced from about 52% to about 8% in 80 and 104 hour, respectively, for solar drier integrated with and without heat storage materials. The Specific Moisture Extraction Rate was estimated to be about 0.81 and 0.94 kg kW hour−1 for the solar air heater with and without heat storage materials, respectively. The average solar drier thermal efficiency was estimated to be about 23% in both the drying modes.

Suggested Citation

  • M. Mohanraj & P. Chandrasekar, 2009. "Performance of a solar drier with and without heat storage material for copra drying," International Journal of Global Energy Issues, Inderscience Enterprises Ltd, vol. 31(2), pages 112-121.
  • Handle: RePEc:ids:ijgeni:v:31:y:2009:i:2:p:112-121

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    Cited by:

    1. Park, S.R. & Pandey, A.K. & Tyagi, V.V. & Tyagi, S.K., 2014. "Energy and exergy analysis of typical renewable energy systems," Renewable and Sustainable Energy Reviews, Elsevier, vol. 30(C), pages 105-123.
    2. Sangamithra, A. & Swamy, Gabriela John & Prema, R. Sorna & Priyavarshini, R. & Chandrasekar, V. & Sasikala, S., 2014. "An overview of a polyhouse dryer," Renewable and Sustainable Energy Reviews, Elsevier, vol. 40(C), pages 902-910.


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