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本文介绍了青岛地区首台Ｕ型垂直埋管式土壤源热泵实验系统，通过对热泵制冷工况的实验研究，得出制冷量与Ｕ型垂直埋管长度间的关系，并回归出热泵的制冷性能系数经验公式。
This paper introduces the first U-shaped vertical ground soil source heat pump experimental system in Qingdao. Through the experimental study on the heat pump cooling conditions, the relationship between the cooling capacity and the length of the U-shaped vertical buried pipe is obtained and the heat pump cooling Performance coefficient empirical formula.