| BTR-4000型地层热物性原位测试仪及其应用 |
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| 引用本文： | 王庆华,孙友宏,陈昌富,吴晓寒.BTR-4000型地层热物性原位测试仪及其应用[J].吉林大学学报(地球科学版),2009,39(2). |
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| 作者姓名： | 王庆华 孙友宏 陈昌富 吴晓寒 |
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| 作者单位： | 1. 吉林大学,建设工程学院,长春,130026
2. 中航勘察设计研究院,北京,100098 |
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| 基金项目： | 国土资源部公益性行业科研专项经费资助项目 |
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| 摘 要： | 地层热物性原位测试仪主要包括液路循环系统、数据采集和控制系统及电气控制系统等.利用测试仪对某热交换井进行现场测试,得到换热器进、出口循环水温度随时间逐渐趋于稳定,及换热器与周围土壤的换热量随时间基本保持恒定的相关曲线.采用线源和柱源传热模型,结合参数估计法,计算出平均热物性参数分别为:土壤热传导系数λ=2.428 W/(m·K),钻孔热阻R=0.102 (m2·K)/W,及λ= 2.164 W/(m·K),R=0.086 (m2·K)/W.通过保证测试时间和准确的土壤比热容等参数,可得到准确的热物性参数,计算结果为地源热泵系统的准确设计提供了依据.
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| 关 键 词： | 地层热物性原位测试仪 平均热物性参数 传热模型 |
BTR-4000 In-Situ Testing Equipment of Strata Thermophysical Properties and Its Application |
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| WANG Qing-hua,SUN You-hong,CHEN Chang-fu,WU Xiao-han.BTR-4000 In-Situ Testing Equipment of Strata Thermophysical Properties and Its Application[J].Journal of Jilin Unviersity:Earth Science Edition,2009,39(2). |
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| Authors: | WANG Qing-hua SUN You-hong CHEN Chang-fu WU Xiao-han |
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| Institution: | WANG Qing-hua1,SUN You-hong1,CHEN Chang-fu2,WU Xiao-han21.College of Construction Engineering,Jilin University,Changchun 130026,China2.AVIC Institute of Geotechnical Engineering,Beijing 100098,China |
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| Abstract: | The field testing equipment of strata thermophysical properties includes fluid circulation line,data collection and control system and electrical control system.An in-situ testing with the rig gets the correlation curve between the inlet and outlet circulating water temperature which gradually turned to be stable with time and quantity of heat transferring of the pipe and soil nearly constant with time.Based on the line-source and cylinder-source heat transfer model,combined with parameter estimation method... |
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| Keywords: | in-situ testing equipment of stratigraphic thermophysical properties mean thermophysical properties parameters heat transfer model |
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