Solar pond powered liquid desiccant evaporative cooling


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.

Divisions: College of Engineering & Physical Sciences > School of Engineering and Technology > Mechanical, Biomedical & Design
College of Engineering & Physical Sciences > Sustainable environment research group
College of Engineering & Physical Sciences > Aston Institute of Materials Research (AIMR)
Publication ISSN: 1879-0690
Last Modified: 29 Nov 2023 11:11
Date Deposited: 19 Aug 2019 10:08
Full Text Link: 10.1016/j.rser.2015.12.053
Related URLs: http://www.scop ... tnerID=8YFLogxK (Scopus URL)
PURE Output Type: Article
Published Date: 2016-05
Published Online Date: 2016-01-12
Accepted Date: 2015-12-15
Submitted Date: 2015-08-11
Authors: Elsarrag, Esam
Igobo, Opubo N.
Alhorr, Yousef
Davies, Philip A.

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