A modified solar desalination system using evacuated tube collector

Shafii, M. B ; Sharif University of Technology | 2016

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  1. Type of Document: Article
  2. DOI: 10.1016/j.desal.2016.05.030
  3. Publisher: Elsevier , 2016
  4. Abstract:
  5. Solar energy is turning to one of the important types of clean energies, due to its availability, and its potential for wide range of applications. In this work, a new passive solar desalination system is introduced, which benefits from excellences of twin-glass evacuated tube collectors. For the first time, the evacuated tube collector is not only used as the solar thermal collector, but also as a basin to heat the water. Hence, the thermal resistance between the collector and basin is virtually eliminated. Results show a considerable increase in the rate of desalinated water production and the maximum production reaches up to 0.83 kg/(m2·h). It was observed that the maximum rate of the production occurs when the tube is in inclination angle of 35°, and filled 80% with water. Moreover, it is seen that filling the tube with a stainless steel wool can enhance the production rate up to 1.01 kg/(m2·h). It was observed that optimum inclination angle is 35°, which is the latitude of location of the experiments. Moreover, a theoretical model is presented in order to evaluate the system's efficiency in quasi-steady state conditions
  6. Keywords:
  7. Evacuated tube collector ; Theoretical model ; Desalination ; Solar energy ; Stainless steel ; Water filtration ; Desalinated water ; Evacuated tube collectors ; Inclination angles ; Passive ; Quasi steady state conditions ; Solar desalination systems ; Solar thermal collector ; Theoretical modeling ; Tubes (components)
  8. Source: Desalination ; Volume 396 , 2016 , Pages 30-38 ; 00119164 (ISSN)
  9. URL: http://www.sciencedirect.com/science/article/pii/S0011916416305185