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Water shortage is rising to become a global challenge due to the variations in climate change and population increment. Converting the seawater to potable water using the desalination technology is among the existing options highlighted by researchers. However, these processes are expensive and require much energy to operate. The solar desalination technology was reported as highly adequate since it utilizes the natural sunlight and the simple concepts of evaporation and condensation to produce the drinking water. The main challenge to date is the low productivity of the technology, which must be adequately improved in order to enhance productivity and optimize performance. In this study, the productivity and efficiency of conventional double slope solar still were assessed using a solar system. Two solar still models (active and passive) were fabricated with the same evaporation and condensation areas. The troughs were made of stainless steel with dimensions of 50×32 ×5 cm. In turn, while the cover was made of glass with dimensions of 48×60×0.3 cm and the inclination angle was 60°. In addition, the solar system consisted of two solar panels with 50 W capacity each, one battery of 100 Ah – 12 V, a charging controller of 30 A, and a single immersed DC water heater of 50 W – 12 V capacity. Both models were tested simultaneously for two sunny days, 24 hours each. The results showed that the water productivity of the active solar still was 55% higher than that of the passive solar still. On 15th July, the total amounts of solar still productivity were 7.85 L/m2/d and 19.3 L/m2/d for active and passive stills, respectively. This is due to the existence of the heating element in the active still which allowed it to produce water for 24 hours continuously. Moreover, the trough temperature was found to be the highest for both models, because it was made from steel. Finally, the produced water in both cases was found to be directly proportional to such parameters as solar radiation intensity and ambient temperature.
Czasopismo
Rocznik
Tom
Strony
255--263
Opis fizyczny
Bibliogr. 14 poz., rys., tab.
Twórcy
- Department of Civil and Environmental Engineering, Universiti Teknologi PETRONAS, Bandar Seri Iskandar, Perak, Malaysia
- Department of Civil and Environmental Engineering, Universiti Teknologi PETRONAS, Bandar Seri Iskandar, Perak, Malaysia
autor
- Department of Civil and Environmental Engineering, Universiti Teknologi PETRONAS, Bandar Seri Iskandar, Perak, Malaysia
autor
- Department of Civil Engineering, College of Engineering, Prince Sattam Bin Abdulaziz University, 11942 Alkharj, Saudi Arabia
- Department of Civil Engineering, Faculty of Engineering and IT, Amran University, 9677 Quhal, Amran, Yemen
autor
- Department of Civil and Environmental Engineering, Universiti Teknologi PETRONAS, Bandar Seri Iskandar, Perak, Malaysia
autor
- Department of Civil and Construction Engineering, Swinburne University of Technology, Melbourne, Australia
Bibliografia
- 1. Ahsan A., Imteaz M., Thomas U.A., Azmi M., Rahman A., Daud N.N. 2014. Parameters affecting the performance of a low cost solar still. Applied Energy, 114, 924–930.
- 2. Akash B.A., Mohsen M.S., Nayfeh W. 2000. Experimental study of the basin type solar still under local climate conditions. Energy Conversion and Management, 41(9), 883–890.
- 3. Al-Garni A.Z. 2012. Productivity enhancement of solar still using water heater and cooling fan. Journal of Solar Energy Engineering, 134(3), p. 031006.
- 4. Al-Karaghouli A., Alnaser W. 2004. Experimental comparative study of the performances of single and double basin solar-stills. Applied Energy, 77(3), 317–325.
- 5. Al-Qadami E.H.H., Ahsan A., Abdurrasheed A.S., Mustaffa Z., Yusof K.W., Takaijudin H., Malek M.A. 2019. Yield efficiency evaluation of double slope solar stills connected with external spiral copper for potable water production. Journal of Ecological Engineering, 20(7), 176–186.
- 6. Dev R., Abdul-Wahab S.A., Tiwari G. 2011. Performance study of the inverted absorber solar still with water depth and total dissolved solid. Applied Energy, 88(1), 252–264.
- 7. Ismail B.I. 2009. Design and performance of a transportable hemispherical solar still. Renewable Energy, 34(1), 145–150.
- 8. Jasrotia S., Kansal A., Kishore V. 2013. Application of solar energy for water supply and sanitation in arsenic affected rural areas: a study for kaudikasa village, India, Journal of Cleaner Production, 60, 102–106.
- 9. Kabeel A., Dawood M.M.K., Ramzy K., Nabil T., Elnaghi B. et al. 2019. Enhancement of single solar still integrated with solar dishes: An experimental approach. Energy Conversion and Management, 196, 165–174.
- 10. Mohamad M., Soliman S., Abdel-Salam M., Hussein H. 1995. Experimental and financial investigation of asymmetrical solar stills with different insulation. Applied Energy, 52(2-3), 265–271.
- 11. Muftah A.F., Alghoul M., Fudholi A., Abdul-Majeed M., Sopian K. 2014. Factors affecting basin type solar still productivity: A detailed review. Renewable and Sustainable Energy Reviews, 32, 430–447.
- 12. Murugavel K.K., Sivakumar S., Ahamed J.R., Chockalingam K.K., Srithar K. 2010. Single basin double slope solar still with minimum basin depth and energy storing materials. Applied Energy, 87(2), 514–523,
- 13. Riahi A., Wan Yusof K., Mahinder Singh B.S., Isa M.H., Olisa E., Zahari N.A.M. 2016. Sustainable potable water production using a solar still with photovoltaic modules-ac heater. Desalination and Water Treatment, 57(32), 14 929–14 944.
- 14. Syuhada N., Ahsan A., Thomas U.A., Imteaz M., Ghazali A.H. et al. 2013. A low cost solar still for pure water production. J. Food Agric. Environ., 11(2), 990–994.
Uwagi
Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-8b2ef061-b996-48b8-9d30-6fd4ba62ef51