Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/26627
Title: Simulation of hybrid ground-coupled heat pump with domestic hot water heating systems using HVACSIM
Authors: Cui, P
Yang, H 
Spitler, JD
Fang, Z
Keywords: Hybrid ground-coupled heat pump
Domestic hot water
Ground heat exchanger
Thermal storage water tank
Issue Date: 2008
Publisher: Elsevier
Source: Energy and buildings, 2008, v. 40, no. 9, p. 1731-1736 How to cite?
Journal: Energy and buildings 
Abstract: A hybrid ground-coupled heat pump (HGCHP) with domestic hot water (DHW) supply system has been proposed in this paper for space cooling/heating and DHW supply for residential buildings in hot-climate areas. A simulation model for this hybrid system is established within the HVACSIM+ environment. A sample system, applied for a small residential apartment located in Hong Kong, is hourly simulated in a typical meteorological year. The conventional GCHP system and an electric heater for DHW supply are also modeled and simulated on an hourly basis within the HVACSIM+ for comparison purpose. The results obtained from this case study show that the HGCHP system can effectively alleviate the imbalanced loads of the ground heat exchanger (GHE) and can offer almost 95% DHW demand. The energy saving for DHW heating is about 70% compared with an electric heater. This proposed scheme, i.e. the HGCHP with DHW supply, is suitable to residential buildings in hot-climate areas, such as in Hong Kong.
URI: http://hdl.handle.net/10397/26627
ISSN: 0378-7788
EISSN: 1872-6178
DOI: 10.1016/j.enbuild.2008.03.001
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