| 土壤源空调系统全年运行设计与计算分析 |
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| 引用本文： | 谢晓娜,刘晓华,江亿. 土壤源空调系统全年运行设计与计算分析[J]. 太阳能学报, 2008, 29(10) |
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| 作者姓名： | 谢晓娜 刘晓华 江亿 |
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| 作者单位： | 清华大学建筑技术科学系,北京,100084 |
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| 摘 要： | 采用贝塞尔函数求解了U型埋地换热器在稳态和正弦波边界下的解析解,可计算给定全年动态负荷下埋地换热器内流体温度,并据此判断埋地换热器的设计能否满足建筑物的要求.给出了在不同因素影响下流体全年最高温度和最低温度与U型管单位长度设计取冷(热)量的关系曲线,可用于指导U型埋地换热器的设计.得到了建筑物全年累计耗热量和耗冷量、最大热负荷和冷负荷应满足的关系,可用于指导建筑物冷热源方案的搭配.
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| 关 键 词： | 土壤源系统 U型埋地换热器 传热模型 全年热平衡 |
DESIGN AND ANALYSIS OF THE ANNUAL RUNNING OF GROUND SOURCE HEAT PUMP SYSTEM |
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| Xie Xiaona,Liu Xiaohua,Jiang Yi. DESIGN AND ANALYSIS OF THE ANNUAL RUNNING OF GROUND SOURCE HEAT PUMP SYSTEM[J]. Acta Energiae Solaris Sinica, 2008, 29(10) |
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| Authors: | Xie Xiaona Liu Xiaohua Jiang Yi |
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| Affiliation: | Xie Xiaona,Liu Xiaohua,Jiang Yi (Dept of Building Science,Tsinghua University,Beijing 100084,China) |
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| Abstract: | Ground source heat pump system has been developed quickly in recent years for its low operating costs and no contaminant.The design of geothermal heat exchangers and the annual heat balance problem is the most important and difficult problem in ground source heat pump system.Bessel function was used to establish heat transfer model of U shape buried pipe of geothermal heat exchangers under harmonic and steady boundary conditions.The annual fluid temperature in U shape pipe can be computed using the heat tra... |
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| Keywords: | ground source heat pump system U shape buried pipe of geothermal heat exchangers heat transfer model annual heat balance |
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