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单井地热供暖关键因素分析
卜宪标1; 冉运敏1; 王令宝1; 雷军民2; 李华山1
2019
Source Publication浙江大学学报工学版
ISSN1008-973X
Volume053Issue:005Pages:957
Abstract基于地热井内流体的流动换热方程以及岩石的能量方程,研究井直径、岩石导热系数、井深和地温梯度对采出水温度和采热功率的影响.结果表明:单井采出水温度、采热功率和岩石温度场均随时间衰减,第1、10、20个供暖季对应的平均采热功率分别为755.01、660.02、639.42kW,上述数据可用于热泵选型.对于20a的供暖期,当两井间距为200m时不会产生热干扰;岩石导热热阻远大于井内对流热阻和井壁导热热阻,降低岩石的导热热阻是提高采热功率的最有效手段;增加井直径和岩石导热系数可以降低岩石导热热阻;岩石导热系数每增加0.5W/(m·K),采热功率增加100kW;增加地温梯度和井深可以增大岩石和流体之间的传热温差,提高采热功率;地温梯度每增加10K/km,采热功率增加213.54kW.
Language英语
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/19260
Collection中国科学院广州能源研究所
Affiliation1.中国科学院广州能源研究所
2.兰州兰石能源装备工程研究院有限公司
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
卜宪标,冉运敏,王令宝,等. 单井地热供暖关键因素分析[J]. 浙江大学学报工学版,2019,053(005):957.
APA 卜宪标,冉运敏,王令宝,雷军民,&李华山.(2019).单井地热供暖关键因素分析.浙江大学学报工学版,053(005),957.
MLA 卜宪标,et al."单井地热供暖关键因素分析".浙江大学学报工学版 053.005(2019):957.
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