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Optimisation of solar tunnel drier for drying of chilli without color loss

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  • Hossain, M.A.
  • Woods, J.L.
  • Bala, B.K.

Abstract

A solar tunnel drier is optimised for drying of chilli in Bangladesh. The simulation model was combined with the economic model of the solar tunnel drier and adaptive pattern search was used to find the optimum dimensions of the collector and the drying unit. Two optimum designs are obtained. For design-1, both collector and drying unit are 14.0m long and 1.9m wide and for design-2, both collector and drying unit are 13.0m long and 2.0m wide. Both the collector and drying unit of basic mode drier are 10.0m long and 1.8m wide. The capacity of optimum mode driers is higher than the basic mode drier and achieves a cost saving of 15.9%. The pay back period of the basic mode drier is 4 years and optimum mode drier is about 3 years. Sensitivity analysis showed that the design geometry is sensitive to costs of major construction materials of the collector and air temperature in the drier.

Suggested Citation

  • Hossain, M.A. & Woods, J.L. & Bala, B.K., 2005. "Optimisation of solar tunnel drier for drying of chilli without color loss," Renewable Energy, Elsevier, vol. 30(5), pages 729-742.
  • Handle: RePEc:eee:renene:v:30:y:2005:i:5:p:729-742
    DOI: 10.1016/j.renene.2004.01.005
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    References listed on IDEAS

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    1. Janjai, S. & Esper, A. & Mühlbauer, W., 1994. "A procedure for determining the optimum collector area for a solar paddy drying system," Renewable Energy, Elsevier, vol. 4(4), pages 409-416.
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    4. Monica Patricia Camas-Nafate & Peggy Alvarez-Gutiérrez & Edgar Valenzuela-Mondaca & Roger Castillo-Palomera & Yolanda del Carmen Perez-Luna, 2019. "Improved Agricultural Products Drying Through a Novel Double Collector Solar Device," Sustainability, MDPI, vol. 11(10), pages 1-13, May.
    5. VijayaVenkataRaman, S. & Iniyan, S. & Goic, Ranko, 2012. "A review of solar drying technologies," Renewable and Sustainable Energy Reviews, Elsevier, vol. 16(5), pages 2652-2670.
    6. Tunde-Akintunde, T.Y., 2011. "Mathematical modeling of sun and solar drying of chilli pepper," Renewable Energy, Elsevier, vol. 36(8), pages 2139-2145.
    7. Smitabhindu, R. & Janjai, S. & Chankong, V., 2008. "Optimization of a solar-assisted drying system for drying bananas," Renewable Energy, Elsevier, vol. 33(7), pages 1523-1531.
    8. Rashidi, Milad & Arabhosseini, Akbar & Samimi-Akhijahani, Hadi & Kermani, Ali M., 2021. "Acceleration the drying process of oleaster (Elaeagnus angustifolia L.) using reflectors and desiccant system in a solar drying system," Renewable Energy, Elsevier, vol. 171(C), pages 526-541.
    9. Janjai, S. & Srisittipokakun, N. & Bala, B.K., 2008. "Experimental and modelling performances of a roof-integrated solar drying system for drying herbs and spices," Energy, Elsevier, vol. 33(1), pages 91-103.
    10. Murthy, M.V. Ramana, 2009. "A review of new technologies, models and experimental investigations of solar driers," Renewable and Sustainable Energy Reviews, Elsevier, vol. 13(4), pages 835-844, May.
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