Experimental Investigation of Unsteady Heat Transfer Performance of Three Kinds of Buried Heat Exchangers

Yang Min; Chen Ying; Shi Bao-xin

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Experimental Investigation of Unsteady Heat Transfer Performance of Three Kinds of Buried Heat Exchangers

更新时间：2026-05-27

- Experimental Investigation of Unsteady Heat Transfer Performance of Three Kinds of Buried Heat Exchangers
- Vol. 25, Issue 2, Pages: 22-25(2008)
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- Published：2008
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杨敏, 陈颖, 史保新. 地埋管换热器非稳态换热性能的实验研究[J]. 广东工业大学学报, 2008, 25(2): 22-25.

Yang Min, Chen Ying, Shi Bao-xin. Experimental Investigation of Unsteady Heat Transfer Performance of Three Kinds of Buried Heat Exchangers[J]. 2008, 25(2): 22-25.
杨敏, 陈颖, 史保新. 地埋管换热器非稳态换热性能的实验研究[J]. 广东工业大学学报, 2008, 25(2): 22-25. DOI：

Yang Min, Chen Ying, Shi Bao-xin. Experimental Investigation of Unsteady Heat Transfer Performance of Three Kinds of Buried Heat Exchangers[J]. 2008, 25(2): 22-25. DOI：

摘要

通过对一个土壤源热泵系统非稳态连续制冷工况运行情况的测试

总结了土壤温度、埋地管换热器进出口水温及换热性能随时间的变化规律

比较了3种换热器在非稳态连续换热过程换热性能的差异.对比实验结果发现

双U形管换热器单位井深换热能力最强

是单U形管的1.05倍

是套管的1.73倍.比较了这3种换热器管内的流动阻力.

Abstract

The performance of three kinds of heat transfers

which were single U-tube heat exchanger

double U-tube heat exchanger and tube-in-tube heat exchange

was studied when a source-ground heat pump system was operated as an unsteady heat rejection mode.After experimental data were arranged

the variations of the temperature of soil

outlet water as well as the heat exchange capability with time were gained.Comparison of the performance between three heat exchangers shows that the double U-tube is the be...

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references

丁勇,李百战,卢军,孙纯武,刘宪英. 地源热泵系统地下埋管换热器设计(1)[J]. 暖通空调. 2005(03)

李新国,薛玉伟,赵军. 不同方式地下埋管换热器的实验研究[J]. 制冷学报. 2004(02)

常征. 土壤温度的变化特点及其规律[J]. 油气储运. 1989(03)

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