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Design, development and performance testing of a new natural convection solar dryer

Author

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  • Pangavhane, Dilip R.
  • Sawhney, R.L.
  • Sarsavadia, P.N.

Abstract

Mechanical drying of agricultural products is an energy consuming operation in the post-harvesting technology. Greater emphasis is given to using solar energy sources in this process due to the high prices and shortages of fossil fuels. For these purposes, a new natural convection solar dryer consisting of a solar air heater and a drying chamber was developed. This system can be used for drying various agricultural products like fruits and vegetables. In this study, grapes were successfully dried in the developed solar dryer. The qualitative analysis showed that the traditional drying, i.e. shade drying and open sun drying, dried the grapes in 15 and 7 days respectively, while the solar dryer took only 4 days and produced better quality raisins.

Suggested Citation

  • Pangavhane, Dilip R. & Sawhney, R.L. & Sarsavadia, P.N., 2002. "Design, development and performance testing of a new natural convection solar dryer," Energy, Elsevier, vol. 27(6), pages 579-590.
    • Handle: RePEc:eee:energy:v:27:y:2002:i:6:p:579-590
    DOI: 10.1016/S0360-5442(02)00005-1
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    Cited by:

    1. Fudholi, A. & Sopian, K. & Ruslan, M.H. & Alghoul, M.A. & Sulaiman, M.Y., 2010. "Review of solar dryers for agricultural and marine products," Renewable and Sustainable Energy Reviews, Elsevier, vol. 14(1), pages 1-30, January.
    2. Kong, Decheng & Wang, Yunfeng & Li, Ming & Liang, Jingkang, 2024. "A comprehensive review of hybrid solar dryers integrated with auxiliary energy and units for agricultural products," Energy, Elsevier, vol. 293(C).
    3. Sharma, Atul & Chen, C.R. & Vu Lan, Nguyen, 2009. "Solar-energy drying systems: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 13(6-7), pages 1185-1210, August.
    4. Çoban, Harun & Abuşka, Mesut, 2024. "Drying of Sultana seedless (Vitis vinifera L.) grape variety in indirect drying chamber using solar air collector with conic dimpled absorber: The case of end-season drying," Renewable Energy, Elsevier, vol. 220(C).
    5. Tiwari, Sumit & Tiwari, G.N. & Al-Helal, I.M., 2016. "Development and recent trends in greenhouse dryer: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 65(C), pages 1048-1064.
    6. 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.
    7. Basak, Tanmay & Anandalakshmi, R. & Kumar, Pushpendra & Roy, S., 2012. "Entropy generation vs energy flow due to natural convection in a trapezoidal cavity with isothermal and non-isothermal hot bottom wall," Energy, Elsevier, vol. 37(1), pages 514-532.
    8. Razak, A.A. & Majid, Z.A.A. & Azmi, W.H. & Ruslan, M.H. & Choobchian, Sh. & Najafi, G. & Sopian, K., 2016. "Review on matrix thermal absorber designs for solar air collector," Renewable and Sustainable Energy Reviews, Elsevier, vol. 64(C), pages 682-693.
    9. Jain, Dilip & Tewari, Pratibha, 2015. "Performance of indirect through pass natural convective solar crop dryer with phase change thermal energy storage," Renewable Energy, Elsevier, vol. 80(C), pages 244-250.
    10. Boroze, Tchamye & Desmorieux, Hélène & Méot, Jean-Michel & Marouzé, Claude & Azouma, Yaovi & Napo, Kossi, 2014. "Inventory and comparative characteristics of dryers used in the sub-Saharan zone: Criteria influencing dryer choice," Renewable and Sustainable Energy Reviews, Elsevier, vol. 40(C), pages 1240-1259.
    11. EL-Mesery, Hany S. & EL-Seesy, Ahmed I. & Hu, Zicheng & Li, Yang, 2022. "Recent developments in solar drying technology of food and agricultural products: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 157(C).
    12. Shi, Long & Zhang, Guomin & Yang, Wei & Huang, Dongmei & Cheng, Xudong & Setunge, Sujeeva, 2018. "Determining the influencing factors on the performance of solar chimney in buildings," Renewable and Sustainable Energy Reviews, Elsevier, vol. 88(C), pages 223-238.
    13. El Hage, Hicham & Herez, Amal & Ramadan, Mohamad & Bazzi, Hassan & Khaled, Mahmoud, 2018. "An investigation on solar drying: A review with economic and environmental assessment," Energy, Elsevier, vol. 157(C), pages 815-829.
    14. Singh, S.P. & Jairaj, K.S. & Srikant, K., 2012. "Universal drying rate constant of seedless grapes: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 16(8), pages 6295-6302.
    15. Kaluri, Ram Satish & Basak, Tanmay, 2010. "Analysis of distributed thermal management policy for energy-efficient processing of materials by natural convection," Energy, Elsevier, vol. 35(12), pages 5093-5107.
    16. Long, Tianhe & Zheng, Dimeng & Li, Yongcai & Liu, Shuli & Lu, Jun & Shi, Dachuan & Huang, Sheng, 2022. "Experimental study on liquid desiccant regeneration performance of solar still and natural convective regenerators with/without mixed convection effect generated by solar chimney," Energy, Elsevier, vol. 239(PA).
    17. Philip, Nadiya & Duraipandi, Sruthi & Sreekumar, A., 2022. "Techno-economic analysis of greenhouse solar dryer for drying agricultural produce," Renewable Energy, Elsevier, vol. 199(C), pages 613-627.
    18. Li, Zhimin & Zhong, Hao & Tang, Runsheng & Liu, Tao & Gao, Wenfeng & Zhang, Yue, 2006. "Experimental investigation on solar drying of salted greengages," Renewable Energy, Elsevier, vol. 31(6), pages 837-847.

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