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循环单井在不同水文地质条件下的运行特性 被引量:3

Characteristics of standing column well operating at different hydro geological conditions
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摘要 为研究含水层水文地质条件对循环单井的影响,通过大量算例模拟分析了循环单井在不同水文地质参数下的运行特性.结果表明:水平渗透系数较大的含水层提高了原水交换比,减轻了抽水温度的变化;对于渗透性能较好的含水层,含水层滞止导热系数对循环单井的影响不大,而对于渗透性能较差的含水层,抽水温度随着含水层滞止导热系数的增大而迅速提高.这说明含水层渗透系数是一个重要参数,直接决定循环单井抽水温度的变化幅度. To study the effect of aquifer's hydro geological conditions on standing column well(SCW),the operating characteristics of SCW under different hydro geological parameters were analyzed through large numbers of calculation cases.The results show that the aquifer with larger horizontal permeability coefficient enhances the ratio of original groundwater exchange and lightens the change of pumping temperature.The aquifer stagnant thermal conductivity has little effect on pumping temperature if SCW is in the aquifer with good permeability,however,if with poor permeability,the pumping temperature would be rapidly increased with the increase of the aquifer stagnant thermal conductivity.The permeability coefficient is a key parameter to influence the change extent of pumping temperature obviously.
出处 《哈尔滨工业大学学报》 EI CAS CSCD 北大核心 2011年第4期47-51,62,共6页 Journal of Harbin Institute of Technology
基金 国家自然科学基金资助项目(41002085) 北京市暖燃重点实验室项目(KF201011)
关键词 循环单井 水文地质条件 运行特性 原水交换 standing column well hydro geological conditions operating characteristics original groundwater exchange
作者简介 nilonggn@163.com;倪龙(1979-),男,博士,讲师; 姜益强(1973-),男,教授,博士生导师; 姚杨(1963-),女,教授,博士生导师; 马最良(1940-),男,教授,博士生导师
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参考文献12

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