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通过热响应实验获得了世博轴地下土壤的初始温度及地埋管的换热性能。将数值模拟结果与实验结果进行对比,验证了数值模拟的准确性。通过数值模拟得到地埋管全年出口水温,并分析了地源热泵系统运行5年后的土壤温升。
Through the thermal response experiment, the initial temperature of underground soil and the heat transfer performance of buried pipe in Expo Axis were obtained. The numerical simulation results are compared with the experimental results to verify the accuracy of the numerical simulation. Through the numerical simulation, the annual outlet water temperature of buried pipe was obtained and the temperature rise of the ground-source heat pump system after 5 years of operation was analyzed.