The cost benefit ratio, profitability index and internal rate of return calculated for solar tunnel dryer and open sun drying were 1.21, 11.08 and 23.90 and 1.02, 1.80 and 11.15, respectively. The payback period for solar tunnel dryer and open sun drying was found to be 2.84 and 7.01 years, respectively. showed that the temperature inside the solar tunnel dryer gets boosted up by 15-20 o C more than the ambient. The results also revealed that the coconut kernels being dried in the solar tunnel Experimental investigation of the performance of the solar tunnel dryer for drying bananas. Renewable Energy, 1996; 7(2): 119–129. Janjai S, Lamlert N, Intawee P, Mahayothee B, Boonrod Y, Haewsungcharern M, et al. Solar drying of peeled longan using a side loading type solar tunnel dryer: Experimental and simulated performance. EXCESS hosts a range of products, which we hope you will find it interesting. We have an expertise to design fully integrated and customized solar power plant solutions across Tamil Nadu. Excess Renew Tech Private Limited has developed and commercialized unique solar power solutions customized for each application. 9ryYF.

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