Review of latent thermal energy storage systems for solar air-conditioning systems

Dong, Yu, Liu, Yanfeng, Wang, Dengjia, Wang, Yingying, Du, Hu ORCID: https://orcid.org/0000-0002-1637-0626 and Liu, Jiaping 2020. Review of latent thermal energy storage systems for solar air-conditioning systems. International Journal of Energy Research 44 (2) , pp. 669-707. 10.1002/er.4960

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Abstract

Solar air-conditioning is an important approach to satisfy the high demand for cooling given the global energy situation. The application of phase-change materials (PCMs) in a thermal storage system is a way to address temporary power problems of solar air-conditioning systems. This paper reviews the selection, strengthening, and application of PCMs and containers in latent thermal storage system for solar air-conditioning systems. The optimization of PCM container geometry is summarized and analyzed. The hybrid enhancement methods for PCMs and containers, and the cost assessment of latent thermal storage system are discussed. The more effective heat transfer enhancement using PCMs was found to mainly involve micro-nano additives. Combinations of fins and nanoadditives, nanoparticles and metal foam are the main hybrid strengthening method. However, the thermal storage effect of hybrid strengthening is not necessarily better than single strengthening. At the same time, the latent thermal storage unit has less application in the field of solar air-conditioning systems, especially regarding heat recovery, because of its cost and thermal storage time. The integration of latent thermal storage units and solar air-conditioning components, economic analysis of improvement technology, and quantitative studies on hybrid improvement are potential research directions in the future.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Architecture Energy Systems Research Institute (ESURI)
Subjects:	T Technology > TA Engineering (General). Civil engineering (General) T Technology > TH Building construction
Publisher:	Wiley
ISSN:	0363-907X
Date of First Compliant Deposit:	28 October 2019
Date of Acceptance:	8 October 2019
Last Modified:	03 Dec 2024 09:15
URI:	https://orca.cardiff.ac.uk/id/eprint/126330

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