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U管埋地换热器周围土壤传热性能测试方法 被引量:4

The Method on Measuring the thermal Properties of the Soil around the Ground Loop Heat Exchanger with a U-bend Pipe
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摘要 设计了一套通过测试运行参数反推出土壤传热系数的实验系统。分析埋地换热器两种数学模型,并采用数值分析比较了这两种模型的准确性。结果表明,采用柱源模型分析测试结果更加精确,但对于U型管管径较细、钻井较深的埋地换热器可采用浅源模型进行分析。 Designing a system to measure running parameters which can speculate thermal conductivity values of the soil. Analyzing two models of ground loop heat exchanger with a U-bend Pipe .And, comparing the accuracy of the two models with numerical analysis
机构地区 东华大学
出处 《制冷与空调(四川)》 2007年第3期53-58,共6页 Refrigeration and Air Conditioning
关键词 传热系数 线源模型 柱源模型 数值分析 the thermal conductivity line source model cylindrical source model numerical analysis
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