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di mai guan huan re qi de shu zhi mo ni yan jiu
Pages: 125-127
Year: Issue:  4
Journal: China Water Transport

Keyword:  地埋管换热器热渗耦合数值模拟;
Abstract: 文中阐述了地埋管换热器数值模拟研究中将要涉及的一些传热理论,并根据这些理论建立出单根U型地埋管换热器的数值模型.再结合上海地区工程实例模拟了地埋管换热器与周围土壤的换热过程,通过分析不同条件下的地埋管换热器四周温度场的分布情况,总结出土壤导热系数、孔隙度、每米孔深的平均放热量以及地下水的渗流速度对四周温度场的影响.
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