| 双U型埋管换热器换热影响因素分析 |
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| 引用本文： | 郭凯生,杨楝.双U型埋管换热器换热影响因素分析[J].长沙大学学报,2013,27(2):27-28,56. |
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| 作者姓名： | 郭凯生 杨楝 |
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| 作者单位： | 1. 重庆市设计院,重庆,400015
2. 长沙理工大学能源与动力工程学院,湖南长沙,410076 |
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| 摘 要： | 对地源热泵垂直单孔双U型埋管换热器的单孔回填材料、管内流量、进口温度等因素对换热效果的影响进行研究.对搭建实验台的测试数据进行分析,得到了在该测试工况下最佳流量约为1.01m3/h,并对比中粗砂与原土的热导率,得出在导热率增大45%时,其单位井深换热量增大了25%,同时经过数据和设备综合考虑分析得出了机组循环液的出口温度不宜太高,在约35.6℃达到实验最佳值的结果.
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| 关 键 词： | 地源热泵 双U型垂直埋管换热器 单位井深热流 传热效果 |
Analysis on Heat Transfer Influencing Factors of Double U-shaped Heat Exchanger |
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| GUO Kaisheng
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YANG Lian.Analysis on Heat Transfer Influencing Factors of Double U-shaped Heat Exchanger[J].Journal of Changsha University,2013,27(2):27-28,56. |
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| Authors: | GUO Kaisheng YANG Lian |
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| Institution: | 1.Chongqing Architectural Design Institute,Chongqing 400015,China; 2.College of Energy and Power Engineering,Changsha University of Science and Technology, Changsha Hunan 410076,China) |
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| Abstract: | The study shows that the optimal flow is approximately 1.01 m3/h under the test condition, and the unit depth of heal exchange increases by 25% when the thermal conductivity increases by 45% ; the outlet temperature of the circulating fluid should not be too high and the optimum effect is achieved when it is about 35.6℃. |
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| Keywords: | ground source heat pump double U - shaped vertical ground heat exchanger unit depth heat flow heat transfer effect |
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