This paper is a part of national natural science fund item- Summer Cooling and Winter Heating dynamic traits research of underground energy-keeping system the house in Summer Cooling and Winter Heating area, mainly task is the experimental research of Ground source heat pump Systems with horizontal buried pipes.
This article carried out the experiment spending nearly one years from July 7 on 2000 to June 11 on 2001 . This experiment include many contents ,in a word , that is summer co...