| 地源热泵U型管地下换热器的数值模拟 |
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| 引用本文： | 唐志伟,时晓燕,黄俊惠,王晓涛.地源热泵U型管地下换热器的数值模拟[J].北京工业大学学报,2006,32(1):62-66. |
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| 作者姓名： | 唐志伟 时晓燕 黄俊惠 王晓涛 |
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| 作者单位： | 北京工业大学,环境与能源工程学院,传热强化与过程节能教育部重点实验室,北京,100022;中国农业大学,水利与土木工程学院,北京,100083 |
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| 摘 要： | 通过改进现有二维传热模型建立准三维传热模型,模拟U型竖直埋管地下换热器的运行工况．模型引入换热功率函数作为边界条件,对单个线热源到区域中心距离提出新的计算方法,运用有限体积法求解．通过与实验结果比较,模型结果可以满足工程精度的要求,并且给出U型管内流体温度分布情况以及钻孔深度对U 管两支管之间的热短路的影响．
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| 关 键 词： | 热泵 换热器 数值模拟 传热 |
| 文章编号： | 0254-0037(2006)01-0062-05 |
| 收稿时间： | 04 27 2004 12:00AM |
| 修稿时间： | 2004年4月27日 |
Computer Simulation of the U-tube Ground Heat Exchanger for GSHP |
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| TANG Zhi-wei,SHI Xiao-yan,HUANG Jun-hui,WANG Xiao-tao.Computer Simulation of the U-tube Ground Heat Exchanger for GSHP[J].Journal of Beijing Polytechnic University,2006,32(1):62-66. |
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| Authors: | TANG Zhi-wei SHI Xiao-yan HUANG Jun-hui WANG Xiao-tao |
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| Affiliation: | 1. The Key Laboratory-Enhanced Heat Transfer and Energy Conservation, Ministry of Education, College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100022, China; 2. College of Water Conservancy and Civil Engineering, China Agricultural University, Beijing 100083, China |
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| Abstract: | This paper established a 3D heat transfer model to simulate the running state of the vertical U-tube ground heat exchanger(GHE), which introduced the heat exchange function as the boundary condition for the inlet of the U-tube. The author proposed a new method to calculate the distance between individual line heat source and the district center, and derived the solution by finite volume method. The model can meet the requirement for the engineering precision by comparison between numerical and experimental results. Furthermore i(?)presented the temperature distribution of the fluid inside the U-tube, and also analyzed the effects of the depth of borehole on thermal interference between the U-tube two legs. |
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| Keywords: | heat pump heat exchanger computer simulation heat transfer |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
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