不同供水温度下地源热泵群孔换热性能的试验研究

发布时间：2018-06-27 17:39

  本文选题：地源热泵 + 群孔　； 参考：《流体机械》2017年10期

【摘要】：对夏季地源热泵单、双U地埋管形式的群孔换热性能进行试验研究。试验结果表明,地埋管与土壤间的换热功率呈对数函数形式变化;在群孔循环总流量为8 m3/h,不同供水温度条件下,供水温度每增加1℃,单U换热功率平均增加2.47 k W,双U换热功率平均增加3.06 k W;定量分析表明,连续换热20 h后的换热功率值可作为群孔实际换热能力值,并给出换热20 h时的不同工况下的换热功率值,可为地源热泵地埋管系统的工程设计提供参考依据。
[Abstract]:The heat transfer performance of single and double U ground heat pump in summer was studied. The results show that the heat transfer power between the buried pipes and the soil varies in the form of logarithmic function. The average heat transfer power of single U increases 2.47 kW and that of double U increases 3.06 kW.The quantitative analysis shows that the heat transfer power value after 20 hours of continuous heat transfer can be used as the actual heat transfer capacity of group holes. The heat transfer power values under different working conditions for 20 h heat transfer are given, which can provide a reference for the engineering design of ground source heat pump buried pipe system.
【作者单位】： 上海市地矿工程勘察院;
【分类号】：TH38
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本文编号：2074699