Investigation of a ground source heat pump system using different ground couplings and secondary refrigerants

被引：0
|
作者：
Riffat, S [1 ]
Abodahab, N [1 ]
Doherty, P [1 ]
Al-Huthaili, S [1 ]
机构：
[1] Univ Nottingham, Sch Built Environm, Inst Bldg Technol, Nottingham NG7 2RD, England
来源：
ENERGY CONVERSION AND APPLICATION, VOL I AND II | 2001年
关键词：
ground source heat pump; renewable energy; space heating and cooling; guilding services;
D O I：
暂无
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Ground source heat pump (GSHP) systems have become an attractive technology for many domestic and commercial applications because they offer an efficient and environmentally-friendly way of heating and cooling of space and water within buildings. A closed loop GSHP system has been installed at the Marmont Renewable Energy Research Centre of the School of the Built Environment. The system consists of a water-to-air heat pump, which is coupled to three vertical ground loops (one U-tube and two concentric tubes). Investigations of the thermal performance of this system were carried out for the different ground heat exchanger designs, and two secondary refrigerants, e.g. 20% mono propylene glycol and 20% potassium formate solutions, The results indicate that the coefficient of performance (COP) of the system improves when a U-tube ground heat exchanger and 20% mono ethylene glycol are used.
引用
收藏
页码：1037 / 1042
页数：6
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