Solar pond powered liquid desiccant evaporative cooling

Elsarrag, Esam, Igobo, Opubo N., Alhorr, Yousef and Davies, Philip A. (2016). Solar pond powered liquid desiccant evaporative cooling. Renewable and sustainable energy reviews, 58 , pp. 124-140.

Abstract

Liquid desiccant cooling systems (LDCS) are energy efficient means of providing cooling, especially when powered by low-grade thermal sources. In this paper, the underlying principles of operation of desiccant cooling systems are examined, and the main components (dehumidifier, evaporative cooler and regenerator) of the LDCS are reviewed. The evaporative cooler can take the form of direct, indirect or semi-indirect. Relative to the direct type, the indirect type is generally less effective. Nonetheless, a certain variant of the indirect type - namely dew-point evaporative cooler - is found to be the most effective amongst all. The dehumidifier and the regenerator can be of the same type of equipment: packed tower and falling film are popular choices, especially when fitted with an internal heat exchanger. The energy requirement of the regenerator can be supplied from solar thermal collectors, of which a solar pond is an interesting option especially when a large scale or storage capability is desired.

Publication DOI: https://doi.org/10.1016/j.rser.2015.12.053
Divisions: Engineering & Applied Sciences > Mechanical engineering & design
Engineering & Applied Sciences > Sustainable environment research group
Engineering & Applied Sciences > Polymer and advanced materials research group
Uncontrolled Keywords: dehumidifier,evaporative cooling,liquid desiccant,regenerator,solar pond,Renewable Energy, Sustainability and the Environment
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Related URLs: http://www.scop ... tnerID=8YFLogxK (Scopus URL)
Published Date: 2016-05
Authors: Elsarrag, Esam
Igobo, Opubo N.
Alhorr, Yousef
Davies, Philip A. ( 0000-0003-4783-1234)

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