[1]石磊,张方方,林芸,等.桩基螺旋埋管换热器温度场分析[J].山东建筑大学学报,2010,(02):177-183.
 SHI Lei,ZHANG Fang-fang,LIN Yun,et al.Thermal Analysis of the Coil Ground Heat Exchanger inside Piles[J].Journal of Shandong jianzhu university,2010,(02):177-183.
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桩基螺旋埋管换热器温度场分析
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《山东建筑大学学报》[ISSN:1673-7644/CN:37-1449/TU]

卷:
期数:
2010年02期
页码:
177-183
栏目:
出版日期:
2010-04-15

文章信息/Info

Title:
Thermal Analysis of the Coil Ground Heat Exchanger inside Piles
作者:
石磊张方方林芸李新方肇洪
山东建筑大学 热能工程学院,山东 济南 250101
Author(s):
SHI Lei ZHANG Fang-fangLIN Yunet al
School of Thermal Energy Engineering , Shandong Jianzhu Univercity, Jinan 250101,China
关键词:
地源热泵桩埋管传热模型解析解
Keywords:
ground-source heat pump foundation pile heat transfer model analytical solution
分类号:
TK529
文献标志码:
A
摘要:
主要以桩基地热换热器的工程应用为背景,提出实心圆柱面热源模型以描述螺旋埋管地热换热器中的传热过程。采用格林函数和虚拟热源法,导出适用于桩基螺旋埋管换热器的无限长及有限长面热源模型的温度分布解析解,对模型中的各参数对换热性能的影响做了分析。同时,对有限长面热源模型中的两种代表性温度,即热源面的积分平均温度和圆柱面中点温度分别进行了计算和讨论。
Abstract:
In view of its engineering applications of the coil ground heat exchanger inside foundation piles, a solid cylindrical heat source model is proposed to describe the heat transfer process of the spiral coil ground heat exchangers. By means of the Green function method and the virtual heat source approach analytical solutions have been derived, applicable for temperature distribution of the one- or two-dimensional cylindrical heat source models with infinite and finite length. The geometrical and physical parameters which impact on this heat transfer process have been analyzed and discussed accordingly. Besides, two representative temperatures, i.e. integral average temperature and mid-point temperature on cylindrical surface, are also calculated and discussed.

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更新日期/Last Update: 2010-05-20