| 地能利用中的蓄能时间效应 |
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| 引用本文： | 于鸣,高青,乔广,李明,马纯强,江彦.地能利用中的蓄能时间效应[J].吉林大学学报(工学版),2009,39(2):321-0325. |
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| 作者姓名： | 于鸣 高青 乔广 李明 马纯强 江彦 |
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| 作者单位： | 1. 吉林大学材料科学与工程学院,长春,130022
2. 吉林大学热能工程系,长春,130022 |
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| 基金项目： | 国家自然科学基金项目(50576030) |
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| 摘 要： | 针对地能利用中耗能和蓄能过程吸热和放热的时间效应进行了实验分析和探讨,研究了地下蓄能体温位变化和分布规律。实验结果表明:间歇过程是提高地下蓄能效果的有效手段,间歇频率和地下瞬态换热负荷的协同优化控制将有利于发挥其综合效能;连续高温大负荷蓄热,地下换热器热源周边温度急升,导致热源与近边土壤温差骤减,发生周边热量积聚和传热抑制现象。本文还提出了地下蓄能温度"理想域值"的概念,可作为评价能量蓄存效果的重要指标。
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| 关 键 词： | 热能工程 蓄能技术 地下蓄能 传热 时间效应 |
| 收稿时间： | 2008-02-29 |
Time effect of heat energy storage in earth energy application |
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| YU Ming,GAO Qing,QIAO Guang,LI Ming,MA Chun-qiang,JIANG Yan.Time effect of heat energy storage in earth energy application[J].Journal of Jilin University:Eng and Technol Ed,2009,39(2):321-0325. |
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| Authors: | YU Ming GAO Qing QIAO Guang LI Ming MA Chun-qiang JIANG Yan |
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| Affiliation: | 1.College of Materials Science and Engineering, Jilin University, Changchun 130022, China; 2.Department of Thermal Energy Engineering, Jilin University, Changchun 130022, China |
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| Abstract: | The time effect for the heat absorption and releasing in the heat energy storage process in the earth energy application has been explored experimentally,the time-dependent variation and distribution pattern of the temperature level of the underground energy storage body were investigated.The experiment results show that the intermittent working process is an effective means to enhance the underground heat energy storage efficiency,the synergetic control of the intermission frequency and the underground tra... |
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| Keywords: | heat energy engineering energy storage technology underground heat energy storage heat transfer time effect |
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