Thermodynamic analysis of humidification dehumidification desalination cycles
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DWT_2010_Prakash.pdf
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Author(s)
Narayan, G. Prakash
Sharqawy, Mostafa H.
Lienhard, John H.
Zubair, Syed M.
Date Issued
December 2009
Journal
Desalination and Water Treatment
Publisher
Desalination Publications
Citation
Narayan, G. Prakash et al. “Thermodynamic Analysis of Humidification–dehumidification Desalination Cycles.” Desalination and Water Treatment, 16, (April 2010) p.339–353.
Version
Author's final manuscript
Abstract
Humidification–dehumidification desalination (HDH) is a promising technology for small-scale
water production applications. There are several embodiments of this technology which have
been investigated by researchers around the world. However, from a previous literature [1], we
have found that no study carried out a detailed thermodynamic analysis in order to improve and/
or optimize the system performance. In this paper, we analyze the thermodynamic performance
of various HDH cycles by way of a theoretical cycle analysis. In addition, we propose novel high performance variations on those cycles. These high-performance cycles include multi-extraction,
multi-pressure and thermal vapor compression cycles. It is predicted that the systems based on these
novel cycles will have gained output ratio in excess of 5 and will outperform existing HDH systems.
MIT Department
Massachusetts Institute of Technology. Department of Mechanical Engineering
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DOI of Published Version
https://doi.org/10.5004/dwt.2010.1078
