Experimental Study and Economical Analysis of a Cascade Solar still Integrated with an Evacuated Tube and a Conventional Flat Plate Solar Collectors

Document Type : Research Article

Authors

1 Mechanical Engineering Department, Ferdowsi university of Mashhad, Mashhad, Iran

2 Mechanical Engineering Department, Ferdowsi University of Mashhad, Mashhad, Iran

3 Mechanical Engineering Department, Bozorgmehr University of Qaenat, Qaenat, Iran

4 Chancellor, Bozorgmehr University of Qaenat

Abstract

Many researchers have experimentally and theoretically studied fresh water productivity in solar stills. In this regard, water preheating can play a noticeable role in enhancing the productivity of solar stills. In the present study, in order to study the effect of water preheating at the inlet of desalination system, a cascade solar still is built and integrated with two different solar collector in separated modes; an evacuated solar collector and a conventional flat plate solar collector. The mentioned solar still includes an external condenser, fin, and internal and external reflectors. It is worth noting that the embedded fins in the water passage are applied to induce hot spots and increase the evaporation rate and fresh water. The experiments were performed in August 2015 and summer 2017. The results showed that the combined desalination system with conventional flat plate collector and evacuated tube collector enhace productivity %60 and %13, respectively. In addition, efficiency of solar still in combination with conventional flat plate collector and evacuated tube collector was %81.8 and %59.1, respectively. The price of produced fresh water of solar still with conventional collector obtained 0.035 $/lit and for solar still with evacuated tube collector was 0.045 $/lit.

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References

[1] H.N. Panchal, S. Patel, An extensive review on different design and climatic parameters to increase distillate output of solar still, Renewable and Sustainable energy reviews, 69 (2017) 750-758.
[2] G. Tiwari, A. Tiwari, Handbook of solar energy, Springer, 2017.
[3] H.K. Jani, K.V. Modi, A review on numerous means of enhancing heat transfer rate in solar-thermal based desalination devices, Renewable and Sustainable Energy Reviews, 93 (2018) 302-317.
[4] T. Arunkumar, K. Raj, D.D.W. Rufuss, D. Denkenberger, G. Tingting, L. Xuan, R. Velraj, A review of efficient high productivity solar stills, Renewable and Sustainable Energy Reviews, 101 (2019) 197-220.
[5] A. Kabeel, A. Khalil, Z. Omara, M. Younes, Theoretical and experimental parametric study of modified stepped solar still, Desalination, 289 (2012) 12-20.
[6] M. Morad, H.A. El-Maghawry, K.I. Wasfy, Improving the double slope solar still performance by using flat-plate solar collector and cooling glass cover, Desalination, 373 (2015) 1-9.
[7] S. Sharshir, G. Peng, N. Yang, M.A. Eltawil, M.K.A. Ali, A. Kabeel, A hybrid desalination system using humidification-dehumidification and solar stills integrated with evacuated solar water heater, Energy conversion and management, 124 (2016) 287-296.
[8] T. Arunkumar, R. Velraj, D. Denkenberger, R. Sathyamurthy, K. Vinothkumar, K. Porkumaran, A. Ahsan, Effect of heat removal on tubular solar desalting system, Desalination, 379 (2016) 24-33.
[9] E. Saettone, Y. Valencia-Tovar, A. Gómez-de-la-Torre-Gastello, Preliminary overview and evaluation of a stepped solar distiller with internal reflective walls and borosilicate vacuum tubes, Desalination, 413 (2017) 136-143.
[10] R.S. Hansen, K.K. Murugavel, Enhancement of integrated solar still using different new absorber configurations: An experimental approach, Desalination, 422 (2017) 59-67.
[11] M. Elashmawy, An experimental investigation of a parabolic concentrator solar tracking system integrated with a tubular solar still, Desalination, 411 (2017) 1-8.
[12] R. Lalitha Narayana, V. Ramachandra Raju, Effect of flat plate collectors in parallel on the performance of the active solar still for Indian coastal climatic conditions, International Journal of Ambient Energy, 40(2) (2019) 203-211.
[13] A.M. Manokar, D.P. Winston, A. Kabeel, R. Sathyamurthy, Sustainable fresh water and power production by integrating PV panel in inclined solar still, Journal of cleaner production, 172 (2018) 2711-2719.
[14] A. Kabeel, E.M. El-Said, Experimental study on a modified solar power driven hybrid desalination system, Desalination, 443 (2018) 1-10.
[15] A. Abdessemed, C. Bougriou, D. Guerraiche, R. Abachi, Effects of tray shape of a multi-stage solar still coupled to a parabolic concentrating solar collector in Algeria, Renewable energy, 132 (2019) 1134-1140.
[16] M. Al-harahsheh, M. Abu-Arabi, H. Mousa, Z. Alzghoul, Solar desalination using solar still enhanced by external solar collector and PCM, Applied Thermal Engineering, 128 (2018) 1030-1040.
[17] M. Fathy, H. Hassan, M.S. Ahmed, Experimental study on the effect of coupling parabolic trough collector with double slope solar still on its performance, Solar Energy, 163 (2018) 54-61.
[18] M. Feilizadeh, M.R.K. Estahbanati, M. Khorram, M.R. Rahimpour, Experimental investigation of an active thermosyphon solar still with enhanced condenser, Renewable Energy, 143 (2019) 328-334.
[19] J. Patel, B.K. Markam, S. Maiti, Potable water by solar thermal distillation in solar salt works and performance enhancement by integrating with evacuated tubes, Solar Energy, 188 (2019) 561-572.
[20] M. Bhargva, A. Yadav, Experimental comparative study on a solar still combined with evacuated tubes and a heat exchanger at different water depths, International Journal of Sustainable Engineering,  (2019) 1-12.
[21] S.W. Sharshir, A. Kandeal, M. Ismail, G.B. Abdelaziz, A. Kabeel, N. Ynag, Augmentation of a pyramid solar still performance using evacuated tubes and nanofluid: Experimental approach, Applied Thermal Engineering,  (2019) 113997.
[22] H. Singh, G. Tiwari, Monthly performance of passive and active solar stills for different Indian climatic conditions, Desalination, 168 (2004) 145-150.
[23] M.M. Ghafurian, H. Niazmand, E. Ebrahimnia-Bajestan, H.E. Nik, Localized solar heating via graphene oxide nanofluid for direct steam generation, Journal of Thermal Analysis and Calorimetry, 135(2) (2019) 1443-1449.
[24] M.M. Ghafuoryan, S.E. Shakib, F.T. Dastjerd, Modeling and optimizing of a combined CHP system, compression chiller and reverse osmosis plant (CHP+ C+ W) in two strategies of connections with grid, Journal of the Brazilian Society of Mechanical Sciences and Engineering, 37(6) (2015) 1751-1763.
[25] M.M. Oskoonejad, Engineering Economy, Amirkabir University, 2007.
[26] A. Kabeel, S.W. Sharshir, G.B. Abdelaziz, M. Halim, A. Swidan, Improving performance of tubular solar still by controlling the water depth and cover cooling, Journal of Cleaner Production,  (2019).
 
AUT Journal of Mechanical Engineering
Volume 4, Issue 3
September 2020
Pages 301-314

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