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Productivity estimation of a single-slope solar still: Theoretical and numerical analysis

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  • Rahbar, N.
  • Esfahani, J.A.

Abstract

This study investigates the ability of a 2-D CFD (computational fluid dynamic) simulation in estimating the hourly yield of a single-slope solar still. Moreover, a new equation based on Chilton–Colburn analogy is proposed to estimate the productivity of a solar still. The results are in a good agreement with the results of well known models. However, the accuracy of the CFD analysis in the prediction of Nu number is better than its accuracy in productivity estimation. The results also show that there is an optimum length in which the productivity is maximized. On the other hand, in a fixed length of a solar still, the specific height has an inverse effect on productivity. Moreover, the trend of water productivity is always similar to the trend of convective heat transfer coefficient.

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  • Rahbar, N. & Esfahani, J.A., 2013. "Productivity estimation of a single-slope solar still: Theoretical and numerical analysis," Energy, Elsevier, vol. 49(C), pages 289-297.
    • Handle: RePEc:eee:energy:v:49:y:2013:i:c:p:289-297
    DOI: 10.1016/j.energy.2012.10.023
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    References listed on IDEAS

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    2. Sharshir, S.W. & Elsheikh, A.H. & Peng, Guilong & Yang, Nuo & El-Samadony, M.O.A. & Kabeel, A.E., 2017. "Thermal performance and exergy analysis of solar stills – A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 73(C), pages 521-544.
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    4. Shatar, Nursyahirah Mohd & Sabri, Mohd Faizul Mohd & Salleh, Mohd Faiz Mohd & Ani, Mohd Hanafi, 2023. "Investigation on the performance of solar still with thermoelectric cooling system for various cover material," Renewable Energy, Elsevier, vol. 202(C), pages 844-854.
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    6. Madhlopa, A., 2017. "Theoretical and empirical study of heat and mass transfer inside a basin type solar still," Energy, Elsevier, vol. 136(C), pages 45-51.
    7. Dumka, Pankaj & Mishra, Dhananjay R., 2020. "Performance evaluation of single slope solar still augmented with the ultrasonic fogger," Energy, Elsevier, vol. 190(C).
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    9. Mahmoud S. El-Sebaey & Asko Ellman & Ahmed Hegazy & Tarek Ghonim, 2020. "Experimental Analysis and CFD Modeling for Conventional Basin-Type Solar Still," Energies, MDPI, vol. 13(21), pages 1-17, November.
    10. Hadidi, N. & Ould-Amer, Y. & Bennacer, R., 2013. "Bi-layered and inclined porous collector: Optimum heat and mass transfer," Energy, Elsevier, vol. 51(C), pages 422-430.
    11. Chen, W.L. & Xie, G., 2022. "Performance of multi-stage tubular solar still operating under vacuum," Renewable Energy, Elsevier, vol. 201(P2), pages 34-46.
    12. Ibrahim, Ayman G.M. & Allam, Elsayed E. & Elshamarka, Salman E., 2015. "A modified basin type solar still: Experimental performance and economic study," Energy, Elsevier, vol. 93(P1), pages 335-342.
    13. Obai Younis & Ahmed Kadhim Hussein & Mohammed El Hadi Attia & Hakim S. Sultan Aljibori & Lioua Kolsi & Hussein Togun & Bagh Ali & Aissa Abderrahmane & Khanyaluck Subkrajang & Anuwat Jirawattanapanit, 2022. "Comprehensive Review on Solar Stills—Latest Developments and Overview," Sustainability, MDPI, vol. 14(16), pages 1-59, August.
    14. Dsilva Winfred Rufuss, D. & Iniyan, S. & Suganthi, L. & Davies, P.A., 2016. "Solar stills: A comprehensive review of designs, performance and material advances," Renewable and Sustainable Energy Reviews, Elsevier, vol. 63(C), pages 464-496.
    15. Chandrakant R. Sonawane & Hitesh N. Panchal & Siamak Hoseinzadeh & Mohammad Hadi Ghasemi & Ali Jawad Alrubaie & Ali Sohani, 2022. "Bibliometric Analysis of Solar Desalination Systems Powered by Solar Energy and CFD Modelled," Energies, MDPI, vol. 15(14), pages 1-13, July.
    16. Rabhy, Omar O. & Adam, I.G. & Elsayed Youssef, M. & Rashad, A.B. & Hassan, Gasser E., 2019. "Numerical and experimental analyses of a transparent solar distiller for an agricultural greenhouse," Applied Energy, Elsevier, vol. 253(C), pages 1-1.
    17. Shoeibi, Shahin & Rahbar, Nader & Esfahlani, Ahad Abedini & Kargarsharifabad, Hadi, 2021. "Energy matrices, exergoeconomic and enviroeconomic analysis of air-cooled and water-cooled solar still: Experimental investigation and numerical simulation," Renewable Energy, Elsevier, vol. 171(C), pages 227-244.
    18. Saeedi, F. & Sarhaddi, F. & Behzadmehr, A., 2015. "Optimization of a PV/T (photovoltaic/thermal) active solar still," Energy, Elsevier, vol. 87(C), pages 142-152.

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