土体热导率的研究现状及展望
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摘要
地下空间和地热能源的开发和利用已引起了国内外学者的广泛关注,与之有关的岩土体热性质起着至关重要的作用。土的热性质参数包括热导率、热扩散率和比热容。热导率作为热性质最重要的参数之一,它不仅决定着热量在土体中的传递,还影响着土体温度场和湿度场的分布。介绍了研究土体热导率的现实意义,阐述了热量在土中的传递方式,总结了影响土体热导率的主要因素,最后提出了土体热导率的研究方向和展望。
In recent years,with the rapid growth of economy and energy consumptions,the development and utilization of underground space and geo-thermal energy have attracted a wide attention of researchers world-wide.The thermal properties of rock and soil play a vital role in these studies.Specifically,the thermal properties of soils include thermal conductivity,thermal diffusivity and specific heat capacity.As one of the most important parameters of thermal properties,the thermal conductivity not only determines the heat transfer in soil,but also affects the distribution of temperature and humidity fields.According to the research status at home and abroad,the practical significance of studying thermal conductivity of soil is introduced,the heat transfer mode in soil is investigated,the main factors affecting thermal conductivity of soil are summarized,and the research direction and development trend of thermal conductivity of soil are put forward.
In recent years,with the rapid growth of economy and energy consumptions,the development and utilization of underground space and geo-thermal energy have attracted a wide attention of researchers world-wide.The thermal properties of rock and soil play a vital role in these studies.Specifically,the thermal properties of soils include thermal conductivity,thermal diffusivity and specific heat capacity.As one of the most important parameters of thermal properties,the thermal conductivity not only determines the heat transfer in soil,but also affects the distribution of temperature and humidity fields.According to the research status at home and abroad,the practical significance of studying thermal conductivity of soil is introduced,the heat transfer mode in soil is investigated,the main factors affecting thermal conductivity of soil are summarized,and the research direction and development trend of thermal conductivity of soil are put forward.
引文
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[12] 白冰,赵晓龙,许韬.多级升温及降温引起的饱和红黏土的热响应试验研究[J].岩土力学,2016,37(1):25-32.
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[18] 李宁,陈波,陈飞熊.寒区复合地基的温度场、水分场与变形场三场耦合模型[J].土木工程学报,2003,36(10):66-71.
[19] 陶兆祥,张景森.大含水(冰)量融冻土导热系数的测定研究[J].冰川冻土,1983,5(2):75-80.
[20] 陆森,任图生.不同温度下的土壤热导率模拟[J].农业工程学报,2009,25(7):13-18.
[21] 张延军,于子望,黄芮,等.岩土热导率测量和温度影响研究[J].岩土工程学报,2009,31(2):213-217.
[22] 刘晨晖,周东,吴恒.土壤热导率的温度效应试验和预测研究[J].岩土工程学报,2011,33(12):1877-1886.
[23] 王铄,樊军.土壤导热率测定及其计算模型的对比分析[J].农业工程学报,2012,28(5):78-84.
[24] 原喜忠,李宁,赵秀云,等.非饱和(冻)土导热系数预估模型研究[J].岩土力学,2010,31(9):2689-2694.
[25] 曾召田,吕海波,赵艳林,等.广西红黏土热导率测试及理论预测模型研究[J].岩石力学与工程学报,2017(S1):412-421.
[2] 刁乃仁,方擎洪.地埋管地源热泵技术[M].北京:高等教育出版社,2006.
[3] Gambolati G,Paniconi C,Putti M.Numerical Modeling of Contaminant Transport in Groundwater[M]// Migration and Fate of Pollutants in Soils and Subsoils.1993.
[4] 张婷,杨平.不同因素对浅表土导热系数影响的试验研究[J].地下空间与工程学报,2012,8(6):1233-1238.
[5] 青藏高原北部活动层土壤热力特性的研究[J].地球物理学报,2010,53(5):1060-1072.
[6] Farouki O T.The thermal properties of soils in cold regions[J].Cold Regions Science & Technology,1981,5(1):67-75.
[7] 王可丽,程国栋,江畅畅,等.青藏高原那曲地区非均质土壤导温率的变化及土壤温度数值模拟[J].冰川冻土,2007,29(3):470-474.
[8] 张玲.土壤热湿传递与土壤源热泵的理论与实验研究[D].浙江大学,2007.
[9] DE VRIES D A.Thermal properties of soils[M].VANWIJK W R.Physics of the plant environment.New York:John Wiley & Sons,1963:210-235.
[10] 冯健美,高晓兵,屈宗长,等.土壤热源热泵地下换热性能分析[J].太阳能学报.
[11] 李毅,邵明安.热脉冲法测定土壤热性质的研究进展[J].土壤学报,2005,42(1):134-139.
[12] 白冰,赵晓龙,许韬.多级升温及降温引起的饱和红黏土的热响应试验研究[J].岩土力学,2016,37(1):25-32.
[13] Lu S,Ren T,Gong Y,et al.An Improved Model for Predicting Soil Thermal Conductivity from Water Content at Room Temperature[J].Soil Science Society of America Journal,2007,71(1):8.
[14] 曾召田.岩溶地区红粘土热湿迁移及其对地源热泵系统换热性能的影响分析[D].2015.
[15] 张富仑,张一平,张君常.温度对土壤水分运动和保持影响的研究进展[J].土壤学进展,1994(6):20-25.
[16] 冯宝平,张建丰,汪志荣,等.温度对土壤水分运动影响的研究[J].灌溉排水学报,2001,20(1):46-49.
[17] 王铁行,李宁,谢定义.土体水热力耦合问题研究意义、现状及建议[J].岩土力学,2005,26(3):488-493.
[18] 李宁,陈波,陈飞熊.寒区复合地基的温度场、水分场与变形场三场耦合模型[J].土木工程学报,2003,36(10):66-71.
[19] 陶兆祥,张景森.大含水(冰)量融冻土导热系数的测定研究[J].冰川冻土,1983,5(2):75-80.
[20] 陆森,任图生.不同温度下的土壤热导率模拟[J].农业工程学报,2009,25(7):13-18.
[21] 张延军,于子望,黄芮,等.岩土热导率测量和温度影响研究[J].岩土工程学报,2009,31(2):213-217.
[22] 刘晨晖,周东,吴恒.土壤热导率的温度效应试验和预测研究[J].岩土工程学报,2011,33(12):1877-1886.
[23] 王铄,樊军.土壤导热率测定及其计算模型的对比分析[J].农业工程学报,2012,28(5):78-84.
[24] 原喜忠,李宁,赵秀云,等.非饱和(冻)土导热系数预估模型研究[J].岩土力学,2010,31(9):2689-2694.
[25] 曾召田,吕海波,赵艳林,等.广西红黏土热导率测试及理论预测模型研究[J].岩石力学与工程学报,2017(S1):412-421.
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