| Measurement and temperature effect on soil thermal conductivity in Changchun area |
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| 作者姓名： | Liliang GONG Yanjun ZHANG Liqing ZHAO Long ZHAO Ziwang YU Jihua HU and Cheng WANG. Construction Engineering College Jilin University Changchun China. College of Electromechanical Engineering Qingdao Agricultural University Qingdao Shandong China |
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| 作者单位： | Liliang GONG1，Yanjun ZHANG1，Liqing ZHAO2，Long ZHAO1，Ziwang YU1，Jihua HU1 and Cheng WANG11. Construction Engineering College，Jilin University，Changchun 130026，China2. College of Electromechanical Engineering，Qingdao Agricultural University，Qingdao 266109，Shandong，China |
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| 基金项目： | Project of NSFC (No.40472134) |
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| 摘 要： | The study on soil thermal conductivity (STC) was an important side of research on ground source heat pump technique,geological disposal of high-level radioactive wastes,heat distribution of buried cable. Especially owing to technical requirement for shallow terrestrial heat recently, it directly influenced the design and solution in engineering problems. The authors measured the STC in the studied area with QTM-D2 and discussed the effect of samples in size, the measurement error between the samples in lab and in site. The results indicate measuring STC by heat pole method with less influence upon the samples in size, and measuring results on the different geometry size approach very much. The STC is fit for the empirical relation between the temperature and TC under the condition of normal temperature. It is significance for understanding STC in northern China and simulation of temperature field.
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| 关 键 词： | 热传导率 土地 体温 长春 |
Measurement and temperature effect on soil thermal conductivity in Changchun area |
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| Liliang GONG,Yanjun ZHANG,Liqing ZHAO,Long ZHAO,Ziwang YU,Jihua HU and Cheng WANG. Construction Engineering College,Jilin University,Changchun ,China. College of Electromechanical Engineering,Qingdao Agricultural University,Qingdao ,Shandong,China.Measurement and temperature effect on soil thermal conductivity in Changchun area[J].Journal of Geoscientific Research in Northeast Asia,2007,10(2):185-189. |
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| Authors: | Liliang GONG Yanjun ZHANG Liqing ZHAO Long ZHAO Ziwang YU Jihua HU Cheng WANG |
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| Institution: | [1]Construction Engineering College, Jilin University, Changchun 130026, China [2]College of Electromechanical Engineering, Qingdao Agricultural University, Qingdao 266109, Shandong , China |
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| Abstract: | The study on soil thermal conductivity (STC) was an important side of research on ground source heat pump technique,geological disposal of high-level radioactive wastes,heat distribution of buried cable. Especially owing to technical requirement for shallow terrestrial heat recently, it directly influenced the design and solution in engineering problems. The authors measured the STC in the studied area with QTM-D2 and discussed the effect of samples in size, the measurement error between the samples in lab and in site. The results indicate measuring STC by heat pole method with less influence upon the samples in size, and measuring results on the different geometry size approach very much. The STC is fit for the empirical relation between the temperature and TC under the condition of normal temperature. It is significance for understanding STC in northern China and simulation of temperature field. |
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| Keywords: | soil thermal conductivity temperature effect empirical relation Changchun area |
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