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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.

Suggested Citation

  • 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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    2. 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.
    3. 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.
    4. Rashidi, Saman & Akar, Shima & Bovand, Masoud & Ellahi, Rahmat, 2018. "Volume of fluid model to simulate the nanofluid flow and entropy generation in a single slope solar still," Renewable Energy, Elsevier, vol. 115(C), pages 400-410.
    5. 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.
    6. 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.
    7. 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.
    8. 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.
    9. Djamal Eddine Benhadji Serradj & Timothy Anderson & Roy Nates, 2022. "The Effect of Geometry on the Yield of Fresh Water from Single Slope Solar Stills," Energies, MDPI, vol. 15(19), pages 1-18, October.
    10. 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.
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    13. Xie, Guo & Sun, Licheng & Yan, Tiantong & Tang, Jiguo & Bao, Jingjing & Du, Min, 2018. "Model development and experimental verification for tubular solar still operating under vacuum condition," Energy, Elsevier, vol. 157(C), pages 115-130.
    14. 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.
    15. Jamil, Furqan & Hassan, Faisal & Shoeibi, Shahin & Khiadani, Mehdi, 2023. "Application of advanced energy storage materials in direct solar desalination: A state of art review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 186(C).
    16. 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.
    17. Dumka, Pankaj & Mishra, Dhananjay R., 2020. "Performance evaluation of single slope solar still augmented with the ultrasonic fogger," Energy, Elsevier, vol. 190(C).
    18. Saleem S. AlSaleem & Ebrahim Al-Qadami & Hussein Zein Korany & Md. Shafiquzzaman & Husnain Haider & Amimul Ahsan & Mohammad Alresheedi & Abdullah AlGhafis & Abdulaziz AlHarbi, 2022. "Computational Fluid Dynamic Applications for Solar Stills Efficiency Assessment: A Review," Sustainability, MDPI, vol. 14(17), pages 1-32, August.
    19. 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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