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Exergy and economic analysis of a pyramid-shaped solar water purification system: Active and passive cases

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  • Kianifar, Ali
  • Zeinali Heris, Saeed
  • Mahian, Omid

Abstract

An exergy analysis has been conducted to show the effect of a small fan on the exergy efficiency in a pyramid-shaped solar still. The tests were carried out in Mashhad (36° 36′ N), for two solar still systems. One of them was equipped with a small fan (active system), to enhance the evaporation rate while the other one was tested in passive condition (no fan). To examine the effects of radiation and water depth on exergy efficiency, experiments in two seasons and two different depths of water in the solar still basin were performed. The results show that during summer, active unit has higher exergy efficiency than passive one while in winter there is no considerable difference between the exergy efficiency of the units. Results also reveal that the exergy efficiency is higher when the water depth in the basin is lower. Finally, the economic analysis shows a considerable reduction in production cost of the water (8–9%) when the active system is used.

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  • Kianifar, Ali & Zeinali Heris, Saeed & Mahian, Omid, 2012. "Exergy and economic analysis of a pyramid-shaped solar water purification system: Active and passive cases," Energy, Elsevier, vol. 38(1), pages 31-36.
    • Handle: RePEc:eee:energy:v:38:y:2012:i:1:p:31-36
    DOI: 10.1016/j.energy.2011.12.046
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    4. Nayi, Kuldeep H. & Modi, Kalpesh V., 2018. "Pyramid solar still: A comprehensive review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 81(P1), pages 136-148.
    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. Modi, Kalpesh V. & Nayi, Kuldeep H., 2020. "Efficacy of forced condensation and forced evaporation with thermal energy storage material on square pyramid solar still," Renewable Energy, Elsevier, vol. 153(C), pages 1307-1319.
    7. 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.
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    9. 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.
    10. 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.
    11. Amiri, Hossein & Aminy, Mohammad & Lotfi, Marzieh & Jafarbeglo, Behzad, 2021. "Energy and exergy analysis of a new solar still composed of parabolic trough collector with built-in solar still," Renewable Energy, Elsevier, vol. 163(C), pages 465-479.
    12. Fatih Selimefendigil & Ceylin Şirin & Hakan F. Öztop, 2022. "Experimental Performance Analysis of a Solar Desalination System Modified with Natural Dolomite Powder Integrated Latent Heat Thermal Storage Unit," Sustainability, MDPI, vol. 14(5), pages 1-15, February.
    13. Muthusamy, C. & Srithar, K., 2017. "Energy saving potential in humidification-dehumidification desalination system," Energy, Elsevier, vol. 118(C), pages 729-741.
    14. Macmanus Chinenye Ndukwu & Lyes Bennamoun & Merlin Simo-Tagne, 2021. "Reviewing the Exergy Analysis of Solar Thermal Systems Integrated with Phase Change Materials," Energies, MDPI, vol. 14(3), pages 1-26, January.
    15. Mohaisen, H.S. & Esfahani, J.A. & Ayani, M.B., 2021. "Improvement in the performance and cost of passive solar stills using a finned-wall/built-in condenser: An experimental study," Renewable Energy, Elsevier, vol. 168(C), pages 170-180.
    16. Abd Elbar, Ayman Refat & Hassan, Hamdy, 2020. "An experimental work on the performance of new integration of photovoltaic panel with solar still in semi-arid climate conditions," Renewable Energy, Elsevier, vol. 146(C), pages 1429-1443.
    17. Sharon, H. & Reddy, K.S., 2015. "Performance investigation and enviro-economic analysis of active vertical solar distillation units," Energy, Elsevier, vol. 84(C), pages 794-807.
    18. Shoeibi, Shahin & Rahbar, Nader & Abedini Esfahlani, Ahad & Kargarsharifabad, Hadi, 2021. "A comprehensive review of Enviro-Exergo-economic analysis of solar stills," Renewable and Sustainable Energy Reviews, Elsevier, vol. 149(C).
    19. Firoozzadeh, Mohammad & Shiravi, Amir Hossein & Lotfi, Marzieh & Aidarova, Saule & Sharipova, Altynay, 2021. "Optimum concentration of carbon black aqueous nanofluid as coolant of photovoltaic modules: A case study," Energy, Elsevier, vol. 225(C).
    20. Vishwanath Kumar, P. & Kumar, Anil & Prakash, Om & Kaviti, Ajay Kumar, 2015. "Solar stills system design: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 51(C), pages 153-181.
    21. Sivakumar, V. & Ganapathy Sundaram, E., 2013. "Improvement techniques of solar still efficiency: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 28(C), pages 246-264.

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