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利用数值模拟方法建立了地源热泵竖直U型埋管非稳态温度场的三维数学模型,并把U型埋管回水温度与建筑物负荷结合起来,首次建立了地源热泵系统动态模型。根据模型可以得到一个周期地源热泵间歇运行工况土壤的温度分布、每米换热量和热作用半径等参数。
The three-dimensional mathematical model of the vertical U-shaped buried pipe temperature field of ground-source heat pump was established by numerical simulation and the temperature of the U-shaped buried pipe was combined with the building load. The dynamic model of the ground- . According to the model, we can get the temperature distribution, the heat transfer per meter and the radius of thermal effect of intermittent ground-source heat pump operating cycle.