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

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

Research output: Contribution to journalArticle

79 Citations (Scopus)

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 4.299kg/m2-day at water depths (dw) 0.01, 0.02 and 0.03m respectively. At same respective water depths, the daily yield obtained from the SS are 2.152, 1.931, 0.826kg/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 0.03m 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: $ 1=Rs. 50 and 1 OMR=Rs. 120) for the life time of 15, 20 and 25years respectively.

Original languageEnglish
Pages (from-to)252-264
Number of pages13
JournalApplied Energy
Volume88
Issue number1
DOIs
Publication statusPublished - Jan 2011

Fingerprint

Solar absorbers
water depth
Water
economic analysis
water
water temperature
experimental study
communication
seawater
Saline water
Economic analysis
basin
cost
experiment

Keywords

  • Concentrating type distillation systems
  • Economic analysis
  • Inverted absorber solar still
  • Solar distillation
  • Thermal modelling
  • Total dissolved solid

ASJC Scopus subject areas

  • Energy(all)
  • Civil and Structural Engineering
  • Energy Engineering and Power Technology
  • Fuel Technology
  • Nuclear Energy and Engineering
  • Mechanical Engineering

Cite this

Performance study of the inverted absorber solar still with water depth and total dissolved solid. / Dev, Rahul; Abdul-Wahab, Sabah A.; Tiwari, G. N.

In: Applied Energy, Vol. 88, No. 1, 01.2011, p. 252-264.

Research output: Contribution to journalArticle

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