第39秦第4期 2017年8月
土水建筑与环境工程
Journal of Civil,Architectural &. Environmental Engineering
doi;10. 11835/j. issn. 1674-4764. 2017. 04. 004
武汉与重庆典型地质结构下的地埋管
换热性能王勇，谢烨，李文欣
（重庆大学绿色建筑与人居环境营造教育部国际合作联合实验室；
国家级低碳绿色建筑联合研究中心，重庆400045）
Vol. 39 No. 4 Aug. 2017
摘要：地埋管地源热泵换热器的换热性能受到不同地质结构的影响。以武汉和重庆地区的典型地质构成为边界条件，建立了三维地理埋管的单孔双U管换热模型，通过模型计算，获得了两种地质条件下的地埋管换热性能，以重庆地区的地源热泵热响应测试结果以及工程运行数据出发，对模型的计算结果进行了验证，结果表明，模型吻合度较好，可以应用于工程分析。以模型为条件，进行地质结构对换热性能的影响度分析，预测了两地地埋管地源热泵的换热性能并计算得到换热器的平
均换热系数分别为武汉地区K,=1.65（W/m·K)，重庆地区K，=1.51(W/m·K）。关键词：地埋管；地质结构；换热模型；换热性能
中图分类号：TK529
文献标志码：A
文章编号：1674-4764(2017)04-0017-09
Analysisonheattransferperformanceofgroundheatexchangers with typical geological structure in Wuhan and Chongqing
WangYong,XieYe，LiWenxin
(Joint International Research Laboratory of Green Buildings and Built Environments, Ministry of Education; National Centre for International Research of Low-carbon and Green Buildings, Ministry of Science &.Technology,
Chongqing University, Chongqing 400045, P. R. China)
Abstract:The heat transfer performance of ground heat exchangers （GHEs）is influenced by different geological structures. A three-dimensional heat transfer model of double U-type GHEs is established with typical geological structure of Wuhan and Chongqing as boundary conditions separately. The heat transfer performances are obtained through the model calculation. The simulation results are validated by a practical thermal response test of a ground source heat pump (GSHP) system, which shows a good match between the simulated and experimental results. The influence of geological structure on heat transfer performances is investigated and the heat transfer performance of GSHP systems can be predicted. Besides, the average heat transfer coefficient of GHEs is calculated in these two area with the proposed model, and the average heat transfer coefficient of the heat exchanger is K, =1. 65 (w/m. K) in Wuhan area, K, =1.51 (w/m. K)
收稿日期：2016-12-10
基金项目：国家自然科学基金（51576023)；高等学校学科创新引智计划(B13041)
作者简介：王勇（1971-）男，教投，博士生导师，主要从事建筑节能、可再生能源利用技术研究，（E-mail)wyfree1@
126.com。
Received:2016-12-10
Foundation item: National Natural Science Foundation of China (No. 51576023) ; Institution of Higher Learning
Discipline Innovation Conference Program (No. B13041)
Author brief: Wang Yong (1971-). professor, doctoral supervisor, main research interests: energy efficiency and
renewable energy utilization technology, (E-mail) wyfreel@126. com.
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