An Experimental Research on a Phase Change Heat-Storage-Type Heat Pump Water Heater

De Feng Ding; Jian Hong Chai; Li Feng Wang; Wu Chen

doi:10.4028/www.scientific.net/AMM.448-453.3413

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 448-453An Experimental Research on a Phase Change...

An Experimental Research on a Phase Change Heat-Storage-Type Heat Pump Water Heater

Abstract:

An advanced experimental rig for heat pump water heaters was established. The performances of both a phase change heat-storage-type heat pump water heater (Type A) and a conventional heat pump water heater (Type B) were tested and compared according to GB/T 23137-2008 using the experimental rig. The results showed that the existence of phase transition temperature platform enabled the phase change heat-storage-type heat pump heater run longer and more steadily. When the same hot water heat capacity obtained, the volume of the accumulator in the Type A water heater accounted for about 56.9% of that of the water tank in the Type B water heater, which could save the overall size of water heater significantly and therefore promote the wide application of energy-saving heat pump water heaters.

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Periodical:

Applied Mechanics and Materials (Volumes 448-453)

Pages:

3413-3416

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.448-453.3413

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Online since:

October 2013

Authors:

De Feng Ding, Jian Hong Chai, Li Feng Wang, Wu Chen*

Keywords:

Heat Pump Water Heater, Heat-Storage, Phase Change Materials (PCM)

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* - Corresponding Author

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