Abstract
Solar assisted heat-pump water heating system combines the advantages of Solar Utilization Technology and heat pump water heating technology, it is a new water heating system with energy conservation and environmental protection. Under the premise of putting up experimental system, some performance parameters have been tested, such as the heating rate, the heat collecting efficiency of the system and the influence of indoor air temperature on the outlet water temperature and the energy efficiency ratio of the water heating system. The experimental results show that solar assisted heat-pump water heating system has the advantages of high energy efficiency ratio, shorter consuming time than traditional solar water heating system when heating water, and it can be concluded that this new water heating system should be applied in the future.
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