Journal
ENERGY CONVERSION AND MANAGEMENT
Volume 99, Issue -, Pages 141-150Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.enconman.2015.04.028
Keywords
Desalination; Solar energy; Parabolic trough collector; Heat pipe; Evacuated tube collector
Categories
Funding
- Iranian National Science Foundation (INSF) [92020351]
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The solar collectors have been commonly used in desalination systems. Recent investigations show that the use of a linear parabolic trough collector in solar stills can improve the efficiency of a desalination system. In this work, a combination of a heat pipe and a twin-glass evacuated tube collector is utilized with a parabolic trough collector. Results show that the rate of production and efficiency can reach to 0.27 kg/(m(2) h) and 22.1% when aluminum conducting foils are used in the space between the heat pipe and the twin-glass evacuated tube collector to transfer heat from the tube collector to the heat pipe. When oil is used as a medium for the transfer of heat, filling the space between heat pipe and twin-glass evacuated tube collector, the production and efficiency can increase to 0.933 kg/(m(2) h) and 65.2%, respectively. (C) 2015 Elsevier Ltd. All rights reserved.
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