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Proceedings Paper

Performance assessment and transient optimization of multi-stage solid desiccant air conditioning systems with building PV/T integration
Author(s): Mohamed Gadalla; Mohammad Saghafifar
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Paper Abstract

One of the popular solar air conditioning technologies is desiccant air conditioning. Nonetheless, single stage desiccant air conditioning systems’ coefficient of performance (COP) are relatively low. Therefore, multi-stage solid desiccant air conditioning systems are recommended. In this paper, an integrated double-stage desiccant air conditioning systems and PV/T collector is suggested for hot and humid climates such as the UAE. The results for the PV/T implementation in the double-stage desiccant cooling system are assessed against the PV/T results for a single-stage desiccant air conditioning system. In order to provide a valid comparative evaluation between the single and double stage desiccant air conditioning systems, an identical PV/T module, in terms of dimensions, is incorporated into these systems. The overall required auxiliary air heating is abated by 46.0% from 386.8 MWh to 209.0 MWh by replacing the single stage desiccant air conditioning system with the proposed double stage configuration during June to October. Moreover, the overall averaged solar share during the investigated months for the single and double stage systems are 36.5% and 43.3%.

Paper Details

Date Published: 23 September 2016
PDF: 14 pages
Proc. SPIE 9937, Next Generation Technologies for Solar Energy Conversion VII, 99370S (23 September 2016); doi: 10.1117/12.2237520
Show Author Affiliations
Mohamed Gadalla, American Univ. of Sharjah (United Arab Emirates)
Mohammad Saghafifar, American Univ. of Sharjah (United Arab Emirates)


Published in SPIE Proceedings Vol. 9937:
Next Generation Technologies for Solar Energy Conversion VII
Oleg V. Sulima; Gavin Conibeer, Editor(s)

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Performance assessment and transient optimization of multi-stage solid desiccant air conditioning systems with building PV/T integration



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