Recent advances in direct expansion solar assisted heat pump systems: A review

Guo-Hua Shi, Lu Aye, Dan Li and Xian-Jun Du

Renewable and Sustainable Energy Reviews, 2019, vol. 109, issue C, 349-366

Abstract: Direct-expansion solar assisted heat pumps (DX-SAHPs) have a great potential for various applications and are conductive to the environment by using low-temperature ambient energy and solar radiation. This review paper aims at presenting the advancements and the current status of DX-SAHPs. A systematic literature review highlights and discusses various aspects of this technology, including system configurations, performance optimisation, simulation models, and various applications in practice. This review indicates that integrating solar collector-evaporators with some advanced technologies, such as photovoltaic, PCM thermal storage and heat pipe, makes DX-SAHPs perform better under different climates and applications. This study concludes that there are clear trends for promoting commercialisation prospects of the technology with introducing DX-SAHPs into various industries and exploring multi-functional applications of DX-SAHPs. To realise greater commercial success, some suggestions for further research are also made. This review work is expected to serve as a good guide for researchers working or interested in the DX-SAHP field.

Keywords: Solar assisted heat pump; Ambient energy; Configurations; Thermal performance; Applications (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (21)

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DOI: 10.1016/j.rser.2019.04.044

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