渗流作用下复合能源地下结构的协同传热机理

游田; 张永正; 罗丹

doi:10.12465/j.issn.0253-4339.2025.04.044

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渗流作用下复合能源地下结构的协同传热机理

更新时间：2025-08-28

- 渗流作用下复合能源地下结构的协同传热机理
- Synergistic Heat Transfer Mechanism of a Composite Energy Geo-Structure under Seepage Conditions
- 制冷学报 2025年46卷第4期页码：44-51
- 作者机构：
  
  1.深圳大学土木与交通工程学院　深圳　518060
  2.中山大学土木工程学院　珠海　519082
- 作者简介：
  
  游田，女，副教授，深圳大学土木与交通工程学院，18210065523，E-mail：youtian@szu.edu.cn。研究方向：能源地下结构，光伏建筑一体化，可再生能源利用，建筑节能技术。
- 基金信息：
  
  国家自然科学基金(52108102)
- DOI：10.12465/j.issn.0253-4339.2025.04.044
  中图分类号： TB61⁺1;TU96⁺2;TK11⁺4
- 收稿日期：2024-04-09，
  
  修回日期：2024-05-11，
  
  录用日期：2024-07-30，
  
  纸质出版日期：2025-08-16
- 稿件说明：
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游田, 张永正, 罗丹. 渗流作用下复合能源地下结构的协同传热机理[J]. 制冷学报, 2025,46(4):44-51.

You Tian, Zhang Yongzheng, Luo Dan. Synergistic Heat Transfer Mechanism of a Composite Energy Geo-Structure under Seepage Conditions[J]. Journal of refrigeration, 2025, 46(4): 44-51.
游田, 张永正, 罗丹. 渗流作用下复合能源地下结构的协同传热机理[J]. 制冷学报, 2025,46(4):44-51. DOI： 10.12465/j.issn.0253-4339.2025.04.044.

You Tian, Zhang Yongzheng, Luo Dan. Synergistic Heat Transfer Mechanism of a Composite Energy Geo-Structure under Seepage Conditions[J]. Journal of refrigeration, 2025, 46(4): 44-51. DOI： 10.12465/j.issn.0253-4339.2025.04.044.

摘要

复合能源地下结构地源热泵系统可与土壤高效换热并具备较高供冷供热能效比，在建筑节能方面应用前景广阔。但土壤中地下水的渗流对复合能源地下结构换热性能会产生显著影响，进而影响系统性能。因此，建立了考虑渗流的复合能源地下结构数值模型，以夏季工况为例，研究了渗流作用下复合能源地下结构的协同传热机理。结果表明：渗流作用下，由于能源桩和钻孔的协同传热，复合能源地下结构换热量比单一能源桩提高60%；地下水渗流有助于复合能源地下结构的传热，当水平渗流速度为60 m/a时，复合能源地下结构的换热量是无渗流工况下的1.39倍，结构自身温升可降低25.32%。在地下水渗流的作用下，沿上游布置的能源地下结构与土体的热量交换较多，且土壤热影响范围在渗流上游显著缩小，而在渗流下游则明显扩大。

Abstract

Ground-source heat pump (GSHP) systems using composite energy geostructures can efficiently transfer heat to soil and provide a high coefficient of performance (COP) for both cooling and heating

which has broad application prospects for energy saving in buildings. However

groundwater seepage in the soil can significantly affect the heat-transfer performance of a composite energy geostructure

thereby affecting the overall system performance. Therefore

this study establishes a numerical model of composite energy geo-structures considering groundwater seepage and investigates their synergistic heat transfer mechanism of composite energy geo-structures during summer. The results indicate that the heat transfer of composite energy geostructures is 60% higher than that of single energy piles under seepage conditions owing to the synergistic heat transfer of the energy pile and borehole. Groundwater seepage contributes to heat transfer in composite energy geostructures. When the seepage velocity reaches 60 m/a

heat transfer capacity increases by 1.39 compared to non-seepage conditions

while the temperature rise of the structure itself decreases by 25.32%. Under seepage

the upstream energy geostructures exhibit greater heat transfer with the soil than those downstream. The thermal influence area of the energy geostructures significantly reduced upstream and expanded downstream. This study guides the rational application of composite energy geostructures in regions with seepage.

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references

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