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

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  • M. Mohanraj
  • P. Chandrasekar

Abstract

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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    Citations

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    Cited by:

    1. Olivkar, Piyush R. & Katekar, Vikrant P. & Deshmukh, Sandip S. & Palatkar, Sanyukta V., 2022. "Effect of sensible heat storage materials on the thermal performance of solar air heaters: State-of-the-art review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 157(C).
    2. Malakar, Santanu & Arora, Vinkel Kumar & Nema, Prabhat K., 2021. "Design and performance evaluation of an evacuated tube solar dryer for drying garlic clove," Renewable Energy, Elsevier, vol. 168(C), pages 568-580.
    3. Kuan, M. & Shakir, Ye. & Mohanraj, M. & Belyayev, Ye. & Jayaraj, S. & Kaltayev, A., 2019. "Numerical simulation of a heat pump assisted solar dryer for continental climates," Renewable Energy, Elsevier, vol. 143(C), pages 214-225.
    4. 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.
    5. 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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