Experimental Study on Ground Source Heat Pump in Karst Area under Heating Condition

曾召田; 徐云山; 吕海波; 孙德安; 覃汉莲

doi:10.13409/j.cnki.jdpme.2017.04.020

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Experimental Study on Ground Source Heat Pump in Karst Area under Heating Condition

更新时间：2025-12-11

- Experimental Study on Ground Source Heat Pump in Karst Area under Heating Condition
- Vol. 37, Issue 4, Pages: 644-649(2017)
- 作者机构：
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- DOI：10.13409/j.cnki.jdpme.2017.04.020
  CLC： U83
- Published：2017
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[1]曾召田,徐云山,吕海波,孙德安,覃汉莲.制热工况下岩溶区地源热泵实验研究[J].防灾减灾工程学报,2017,37(04):644-649.

曾召田, 徐云山, 吕海波, et al. Experimental Study on Ground Source Heat Pump in Karst Area under Heating Condition[J]. 2017, 37(4): 644-649.
[1]曾召田,徐云山,吕海波,孙德安,覃汉莲.制热工况下岩溶区地源热泵实验研究[J].防灾减灾工程学报,2017,37(04):644-649. DOI： 10.13409/j.cnki.jdpme.2017.04.020.

曾召田, 徐云山, 吕海波, et al. Experimental Study on Ground Source Heat Pump in Karst Area under Heating Condition[J]. 2017, 37(4): 644-649. DOI： 10.13409/j.cnki.jdpme.2017.04.020.

摘要

借助自行研制的地源热泵系统热湿迁移实验平台

开展了冬季制热工况下地源热泵系统的运行实验

探讨并分析了地埋管热交换性能及周围土壤温度场的变化规律。实验结果表明:竖直地埋管的换热性能明显优于水平埋管

更有利于地热能的开发利用;地表3.0m以内仍处在大气影响范围之内

该处土壤温度变化受地埋管换热器与土壤间的热交换、周围气候环境变化共同作用的影响;水平地埋管附近土壤温度降低的幅度与距离地埋管的远近及方向有关

其温度降低幅度随着距离的增加而减小

且热量在土壤中的热传导作用因方向而异。

Abstract

The operation experiment of ground source heat pump system in winter heating condition was carried out by means of thermal and wet migration experiment platform

which was developed by authors. Besides

the changes of heat exchange performance and temperature field around the soil were discussed and analyzed. The results of test indicate that the heat transfer performance of the vertical pipe is obviously better than that of the horizontal pipe

which is more favorable to the development and utilization of geothermal energy. The surface temperature within 3. Om is still influenced by the atmosphere

where the soil temperature is changed by the ground heat exchanger and the heat exchange between the soil

the surrounding climate and environmental changes under the impact of the interaction. The decrease of soil temperature near the horizontal buried pipe is related to the distance and direction of the buried pipe

and the temperature decreases with the increase of the distance

and the heat conduction in the soil has the characteristics of anisotropy.

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references

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地下水渗流对竖埋管换热器传热影响的数值模拟 [J]. 曾召田,吕海波,赵艳林,葛若东. 太阳能学报 . 2015(12)

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