한국신재생에너지학회:학술대회논문집
- 2007.11a
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- Pages.505-510
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- 2007
A Study on Field test of the Horizontal Ground Source Heat Pump for Greenhouse
시설원예용 수평형 지열히트펌프 시스템 실증연구
- Published : 2007.11.06
Abstract
Greenhouses should be heated during nights and co Id days in order to fit growth conditions in greenhouses. Ground source heat pump(GSHP) or geothermal heat pump system(GHPs) is recognized to be outstanding heating and cooling system. Horizontal GSHP system is typically less expensive than vertical GSHP system but requires wide ground area to bury ground heat exchanger (GHE). In this study, a horizontal GSHP system with thermal storage tank was installed in greenhouse and investigated as performance characteristics. In the daytime, heating load of greenhouse is very small or needless because solar radiation increases inner air temperature. The results of study showed that the heating coefficient of performance of the heat pump(
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