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<p>The work aims to improve fresh water supply in dry places in India by utilizing solar energy for desalination. The rotating drum solar desalination system is one of the methods which have experimentally showed very good productivity. In present work, the analysis is carried out on three different setups of solar still: CSSS (Conventional Semi Cylindrical Solar Still), MSSS1 (Modified Semi Cylindrical solar still with Rotating Drum) and MSSS2 (Semi cylindrical solar still with Sponge Wick Rapped on Drum). An experiment has been performed on three stills in the environmental condition of Bhopal India. A theoretical mathematical model has been developed validate the results of experimental analysis and to perform the exergy economic, exergo-economic, exergo-environmental and exergo-enviro-economic analysis for all three cases. The results reveal that the cumulative productivity of the MSSS2 is 17% more than MSSS1 and 53.01% more than CSSS. MSSS2 is 37.5% more efficient than CSSS. The exergy efficiency of MSSS2 is 42.7% and 18.99% more than CSSS and MSSS1, respectively. The cost per liter of MSSS2 is also 0.00917$ Lt<sup>−1</sup> which is less than CSSS and MSSS1. The exergo-economic parameter value of MSSS2 is 18.14% and 31.87% more than MSSS1 and CSSS, respectively. The exergo-environmental results of MSSS2 are 9.07-ton CO<sub>2</sub> /year which are more than CSSS and MSSS1. The exergo-enviro-economic value of MSSS2 is 31.92% and 18.15% more than CSSS and MSSS1, respectively. Wick material was found to minimize loss of heat and boost the evaporation rate, which resulted in higher productivity in comparison to CSSS.</p>

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6E analysis of modified rotating drum solar still systems for water desalination in arid regions of India

  • 期刊论文

  • 发表日期：

    2026年6月22日

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  • Kshitij Yugbodh,
  • Brajesh Kumar Ahirwar,
  • Ekta Jain,
  • Rahul Agrawal,
  • Akash Patel,
  • Lokesh Chadokar,
  • Mukesh Kirar

摘要

The work aims to improve fresh water supply in dry places in India by utilizing solar energy for desalination. The rotating drum solar desalination system is one of the methods which have experimentally showed very good productivity. In present work, the analysis is carried out on three different setups of solar still: CSSS (Conventional Semi Cylindrical Solar Still), MSSS1 (Modified Semi Cylindrical solar still with Rotating Drum) and MSSS2 (Semi cylindrical solar still with Sponge Wick Rapped on Drum). An experiment has been performed on three stills in the environmental condition of Bhopal India. A theoretical mathematical model has been developed validate the results of experimental analysis and to perform the exergy economic, exergo-economic, exergo-environmental and exergo-enviro-economic analysis for all three cases. The results reveal that the cumulative productivity of the MSSS2 is 17% more than MSSS1 and 53.01% more than CSSS. MSSS2 is 37.5% more efficient than CSSS. The exergy efficiency of MSSS2 is 42.7% and 18.99% more than CSSS and MSSS1, respectively. The cost per liter of MSSS2 is also 0.00917$ Lt−1 which is less than CSSS and MSSS1. The exergo-economic parameter value of MSSS2 is 18.14% and 31.87% more than MSSS1 and CSSS, respectively. The exergo-environmental results of MSSS2 are 9.07-ton CO2 /year which are more than CSSS and MSSS1. The exergo-enviro-economic value of MSSS2 is 31.92% and 18.15% more than CSSS and MSSS1, respectively. Wick material was found to minimize loss of heat and boost the evaporation rate, which resulted in higher productivity in comparison to CSSS.