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Stefania Perrella, Fabio Bisegna, Piero Bevilacqua, Daniela Cirone and Roberto Bruno
In the EU, the building sector is responsible for 40% of the global energy consumption for final uses and 36% of the carbon dioxide (CO2) emissions. Heat pumps allow for the replacement of conventional systems based on fossil fuels with the perspective o...
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Evangelos Bellos, Panagiotis Lykas, Dimitrios Tsimpoukis, Dimitrios N. Korres, Angeliki Kitsopoulou, Michail Gr. Vrachopoulos and Christos Tzivanidis
The goal of this investigation is the thorough analysis and optimization of a solar-assisted heat pump heating unit for covering the space heating demand for a building in Athens, Greece. The novelty of the studied system is the use of a high-temperature...
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Yaolin Lin, Zhenyan Bu, Wei Yang, Haisong Zhang, Valerie Francis and Chun-Qing Li
The building sector accounts for over 40% of global energy consumption. The utilization of renewable energy systems such as the solar-assisted heat pump (SAHP) in buildings has been shown to improve building energy efficiency and achieve carbon neutralit...
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William Quitiaquez, Eduardo Cortez, Karen Anchapaxi, C.A. Isaza-Roldán, César Nieto-Londoño, Patricio Quitiaquez, Fernando Toapanta-Ramos
This research work presents a detailed description of the flow patterns maps generated in a horizontal pipe of the collector/evaporator of a direct-expansion solar-assisted heat pump, using R600a refrigerant as working fluid. The study was performed in a...
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Francis Benjamín Gorozabel Chata,Tania Carbonell Morales
Una bomba de calor de expansión directa con energía solar (BCAES-ED) es una tecnología de calentamiento de agua con mucho potencial en países con climas tropicales y húmedos siendo relevante realizar análisis basados en la energía y la exergía que ...
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Nannan Dai, Xinyi Xu, Shuhong Li and Zheng Zhang
A hybrid photovoltaic solar assisted loop heat pipe/heat pump (PV-SALHP/HP) water heater system has been developed and numerically studied. The system is the combination of loop heat pipe (LHP) mode and heat pump (HP) mode, and the two modes can be run s...
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Masoud Yousefi, Misagh Moradali
In this paper, the thermodynamic performance of a direct expansion solar assisted heat pump (DX-SAHP), which is used to heat domestic water from 20°C to 45°C, is theoretically investigated. The system includes a 3m2 single-cover flat plate solar collecto...
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Zhiyong Yang, Yiping Wang and Li Zhu
A solar assisted heat pump (SAHP) system was designed by using a roof-integrated solar collector as the evaporator, and then it was demonstrated to provide space heating for a villa in Tianjin, China. A building energy simulation tool was used to predict...
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