Performance study of the inverted absorber solar still with water depth and total dissolved solid

Rahul Dev, Sabah A. Abdul-Wahab and G.N. Tiwari

Applied Energy, 2011, vol. 88, issue 1, 252-264

Abstract: In this communication, an experimental study of inverted absorber solar still (IASS) and single slope solar still (SS) at different water depth and total dissolved solid (TDS) is presented. Experiments are conducted for the climatic condition of Muscat, Oman. A thermal model is also developed for the IASS and validated with experimental results. A fair agreement is found for the daytime operation of the IASS. It is observed that higher water temperature can be achieved by using the IASS in comparison to the SS. The daily yield obtained from the IASS are 6.302, 5.576 and 4.299Â kg/m2-day at water depths (dw) 0.01, 0.02 and 0.03Â m respectively. At same respective water depths, the daily yield obtained from the SS are 2.152, 1.931, 0.826Â kg/m2-day respectively lower than that of the IASS. It is observed that for climatic condition of Muscat, Oman, the optimum water depth for the IASS is 0.03Â m above which the addition of reflector under the basin does not affect its performance much more in comparison to that of the SS for sea water. The feed saline water and yielded distilled water are also compared for different TDS values, pH, and electrical conductance. On the basis of economic analysis of IASS, it is found that the annualized cost of distilled water in Indian rupees for Muscat climatic condition is Rs. 0.74, 0.66 and 0.62 (conversion factors: $ 1Â =Â Rs. 50 and 1 OMRÂ =Â Rs. 120) for the life time of 15, 20 and 25Â years respectively.

Keywords: Solar; distillation; Inverted; absorber; solar; still; Thermal; modelling; Concentrating; type; distillation; systems; Total; dissolved; solid; Economic; analysis (search for similar items in EconPapers)
Date: 2011
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (29)

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