| 极坐标下变热工参数人工冻土温度场解析解 |
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| 引用本文： | 姚兆明.极坐标下变热工参数人工冻土温度场解析解[J].低温建筑技术,2008,30(5). |
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| 作者姓名： | 姚兆明 |
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| 作者单位： | 同济大学地下建筑与工程系,上海,200002;安徽理工大学土木工程系,安微,淮南,232001 |
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| 摘 要： | 为优化冻结方案、准确掌握人工冻土温度场发展状况、处理紧急情况,需要了解变热工参数对人工冻土温度场的影响程度。人工冻土温度场的解析解便于分析不同热工参数的灵敏度。运用乘法、加法分离变量法推导出极坐标下人工冻土热工参数随温度变化的不同规律的非稳定导热方程解析解。变热工参数人工冻土温度场非稳定温度场的解析解可用来检验人工冻土温度场数值计算结果的准确性、收敛性与稳定性,还可以借鉴其数学上的结果用来启发发展各种计算技巧。
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| 关 键 词： | 人工冻土温度场 变热工参数 解析解 |
POLAR COORDINATION ANALYTICAL SOLUTION OF VARIABLE HEAT PARAMETER ARTIFICIAL FROZEN SOIL TEMPERATURE FIELD |
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| YAO Zhao-ming.POLAR COORDINATION ANALYTICAL SOLUTION OF VARIABLE HEAT PARAMETER ARTIFICIAL FROZEN SOIL TEMPERATURE FIELD[J].Low Temperature Architecture Technology,2008,30(5). |
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| Authors: | YAO Zhao-ming |
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| Affiliation: | YAO Zhao-ming1,2 (1.Dept.of geotechnical engineering,Tongji University,Shanghai 200092,China 2.Dept.of civil engineering,Anhui University of Science , Technology,Huaina 232001,China) |
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| Abstract: | In the progress of the shaft frozen construction,the heat parameter of artificial frozen soil changes with the different temperature.In order to optimize the frozen plan,have a good grasp of the artificial frozen soil temperature field development and treat the emergency,it is necessary to understand the effect degree of artificial frozen soil temperature which is caused by different indefinite heat parameter.The analytical solution is an effectual method to analyze the heat parameter sensitive degree.In th... |
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| Keywords: | artificial frozen soil temperature field variable heat parameter analytical solution |
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