The energy-saving study of water heater based on source-sink matching principle

Jikang Wang, Yan Li, Han Yuan, Zhixiang Zhang, Zhuang Ding and Ning Mei

Energy, 2020, vol. 205, issue C

Abstract: Aiming at the energy-saving of water heater, a novel technology which can enhance thermal insulation and improve energy efficiency simultaneously has been proposed, and its source-sink matching strategy has been investigated in this study. A source-sink heat transfer device is designed, and the optimal installment position of this device has been determined through theoretical and experimental methods, besides that, the rationality of matching strategy is also evaluated. Experimental results and exergy analysis show that the optimal installment position and suitable source-sink matching strategy facilitate to boost the energy-saving effect, lower production cost and conform to the miniaturization trend of water heater. In addition, the experimental results reveal that although adiabatic measures and energy efficiency improvement measures adopted by this technology are different, the ultimate direction is the same, both of which are to directly or indirectly reduce the temperature of heat source, which can provide significant reference for practical engineering application.

Keywords: Energy-saving; Source-sink matching; Adiabatic; Energy efficiency (search for similar items in EconPapers)
Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:205:y:2020:i:c:s0360544220310902

DOI: 10.1016/j.energy.2020.117983

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