水平及垂直地埋管换热器热响应试验研究

张伟兵; 鲁杰; 吴凯; 杨兴福; 李鹏; 段新胜

doi:doi:10.19912/j.0254-0096.tynxb.2024-1864

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水平及垂直地埋管换热器热响应试验研究

更新时间：2026-03-06

- 水平及垂直地埋管换热器热响应试验研究
- Vol. 47, Issue 2, Pages: 654-661(2026)
- 作者机构：
- 作者简介：
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- DOI：doi:10.19912/j.0254-0096.tynxb.2024-1864
  CLC： TK529
- Online First：05 March 2026，
  
  Published：05 March 2026
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张伟兵, 鲁杰, 吴凯, et al. 水平及垂直地埋管换热器热响应试验研究[J]. 2026, 47(2): 654-661.
DOI：

张伟兵, 鲁杰, 吴凯, et al. 水平及垂直地埋管换热器热响应试验研究[J]. 2026, 47(2): 654-661. DOI： doi:10.19912/j.0254-0096.tynxb.2024-1864.

摘要

基于实际工程

分别开展水平和垂直地埋管热响应试验研究。分析不同埋管方式下地层热物性及地埋管换热能力的区别及经济性。结果表明

垂直地埋管范围内岩土体平均导热系数比水平地埋管高74.5%

平均热扩散系数高61.5%

热阻小18.9%。供暖工况下水平与垂直地埋管每延米换热功率分别为9.20和42.36 W/m

水平比垂直地埋管低78.3%。制冷工况下水平与垂直地埋管每延米换热功率分别为12.62和67.55 W/m

水平比垂直地埋管换热功率低81.3%。采用水平与垂直地埋管结合的方式较只采用垂直地埋管节省成本448300元。

Abstract

Based on practical engineering

this paper conducts the thermal response test of horizontal and vertical borehole heat exchangers. Analyzed the thermal properties and heat transfer capacity differences of heat exchangers under different burial methods

as well as economics

are analyzed. The results indicate that the average thermal conductivity of the rock and soil mass within the vertical borehole heat exchanger range is 74.5% higher than that of the horizontal

the average thermal diffusion coefficient is 61.5% higher

and the thermal resistance is 18.9% lower. Under heating conditions

the heat transfer per linear meter of horizontal and vertical borehole heat exchanger is 9.20 and 42.36 W/m

respectively. The horizontal borehole heat exchanger is 78.3% lower than that of vertical. Under cooling conditions

the heat transfer per linear meter of horizontal and vertical borehole heat exchanger is 12.62 and 67.55 W/m

respectively. The horizontal borehole heat exchanger is 81.3% lower than that of vertical. The combination of horizontal and vertical borehole heat exchanger saves 448300 RMB in cost compared to using only vertical borehole heat exchanger.

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references

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