Running and economy performance analysis of ground source heat pump with thermal energy storage devices

被引：13
|
作者：
Lv, Junxin [1 ]
Wei, Zhang [1 ]
Zhang, Jiaqi [1 ]
机构：
[1] Tianjin Univ, Key Lab Efficient Utilizat Low & Medium Grade Ene, MOE, Tianjin, Peoples R China
来源：
ENERGY AND BUILDINGS | 2016年 / 127卷
关键词：
GSHPS; Heat balance; Heat storage devices; COP; Soil temperature; PHASE-CHANGE; SYSTEMS; SOLAR; HOT;
D O I：
10.1016/j.enbuild.2016.06.072
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
This paper presents the thermal performance and economic analysis of a compound energy-supply System which composed of a ground source heat pump system (GSHPS) and a thermal energy storage system (TES). This system was simulated by TRNSYS and an engineering project was built for experiment, it's found that the compound system could keep the soil in a better heat balance that is more suitable for discontinuous heating and cooling constructions. From the experiment process, it's found the compound system has a higher COP than common GSHPS by 0.37 in winter and 0.04 in summer. For the price policy of off-peak electricity, the compound system could save 35.2% of the running cost in winter and 18.3% in summer than common GSHPS. In some case, the compound system could also has a lower initial investment. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：1108 / 1116
页数：9
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