The Study of Soil Temputerature Change of GSHP System in Winter Conditions

This paper does the simulation analysis of the annual energy consumption of an office building and the simulation of the whole GSHP(Ground Source Heat Pump) air conditioning system operation for two years. With the dynamic load, The simulation of the temperature field is done about the ground heat exchanger soil area with the radius of 2.5m during the heating period and the downtime. The result shows that soil temperature variation decreases gradually from the center to the distal end, in the first five days after shutdown, the soil temperature recovers faster, and then gradually becomes slowlier.