Review of the advances in solar-assisted air source heat pumps for the domestic sector
Yang L.W. Xu R.J. Hua N. Xia Y. Zhou W.B. Yang T. Belyayev Y. Wang H.S.
1 November 2021Elsevier Ltd
Energy Conversion and Management
2021#247
Solar assisted air source heat pump shows great potential as a promising energy-saving heating technology, which integrates solar collector and air source heat pump. It is widely considered for supplying hot water, space heating and/or space cooling in the domestic sector. The performance of solar assisted air source heat pumps can be evaluated in system level by parameters such as coefficient of performance, seasonal performance factor, energy consumption, solar fraction as well as initial and operating costs, and in component level by parameters such as efficiencies of solar collection and thermal energy storage. Their performances are affected by many factors such as system configuration, components size, working fluid, working conditions and weather conditions. This paper presents a comprehensive review on the recent advances in solar assisted air source heat pump for the domestic sector in terms of system configuration, solar collectors, thermal energy storage, defrosting method and the perspective areas of further investigations. The results of this review confirm that research is still required to improve the performance of such a combined system and reduce initial cost compared with existing heating systems based on hydrocarbon combustion. The information presented in this paper is beneficial to the researchers, small and medium-sized enterprises suppling renewable energy system technologies, heating engineers and service workers, energy policy and decision makers, environmental activists and communities.
Coefficient of performance , Defrosting , Solar collector , Solar-assisted air source heat pump , System configuration , Thermal energy storage
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School of Engineering and Materials Science, Queen Mary University of London, Mile End Road, London, E1 4NS, UK, United Kingdom
Beijing University of Civil Engineering and Architecture, Beijing, 100044, China
Department of Mechanical Engineering, Imperial College London, London, SW7 2AZ, UK, United Kingdom
Faculty of Science and Technology, Middlesex University, London, NW4 4BT, UK, United Kingdom
Department of Mechanical Engineering and Modeling, Satbayev University, 22a Satbayev Street, Almaty, 050013, Kazakhstan
Department of Mechanics, Al-Farabi Kazakh National University, 71 Al-Farabi Avenue, Almaty, 050040, Kazakhstan
School of Engineering and Materials Science
Beijing University of Civil Engineering and Architecture
Department of Mechanical Engineering
Faculty of Science and Technology
Department of Mechanical Engineering and Modeling
Department of Mechanics
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