| 地埋管换热器换热性能影响因素的研究 |
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| 引用本文： | 毛炳文,余跃进. 地埋管换热器换热性能影响因素的研究[J]. 建筑节能, 2011, 0(9): 27-31,56. DOI: 10.3969/j.issn.1673-7237.2011.09.008 |
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| 作者姓名： | 毛炳文 余跃进 |
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| 作者单位： | 南京师范大学能源与机械工程学院,南京,210042 |
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| 摘 要： | 分析了地埋管换热器的传热模型及适用条件,讨论了影响地埋管换热器换热性能的因素,包括土壤热物性、回填材料、地下水流动、土壤冻结、埋管之间的热干扰以及管内循环流速,总结了目前国内外研究的不足,并指出了下一步的研究方向.
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| 关 键 词： | 地埋管换热器 传热模型 回填材料 土壤冻结 地下水流动 |
Factors Influencing Heat Transfer Performance of Ground Heat Exchanger |
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| MAO Bing-wen,YU Yue-jin. Factors Influencing Heat Transfer Performance of Ground Heat Exchanger[J]. Construction Conserves Energy, 2011, 0(9): 27-31,56. DOI: 10.3969/j.issn.1673-7237.2011.09.008 |
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| Authors: | MAO Bing-wen YU Yue-jin |
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| Affiliation: | (Energy and Mechanical Engineering Academy,Nanjing Normal University,Nanjing 210042,China) |
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| Abstract: | The numerical heat transfer models and their applicable conditions of ground heat exchanger are analyzed,as well as the influence factors of heat transfer performance of ground heat exchanger,including thermal properties of deep ground,backfill materials,groundwater flow,soil freezing,thermal interference between pipes and flow rate in pipes.It summarizes the shortcoming of the present research work home and abroad,proposing the development direction. |
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| Keywords: | ground heat exchanger heat transfer models backfill materials soil freezing groundwater flow |
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