| 掘进工作面围岩散热的有限元计算 |
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| 引用本文： | 吴强,秦跃平,郭亮,吴青银.掘进工作面围岩散热的有限元计算[J].中国安全科学学报,2002,12(6):33-36. |
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| 作者姓名： | 吴强 秦跃平 郭亮 吴青银 |
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| 作者单位： | 1. 黑龙江科技学院;中国矿业大学北京校区
2. 中国矿业大学北京校区 |
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| 基金项目： | 国家自然科学基金资助项目(编号:59704003). |
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| 摘 要： | 掘进工作面的围岩散热是至今尚未解决的一个重要问题。笔者根据掘进工作面围岩温度场的特点 ,分析了移动柱坐标下的导热微分方程 ,合理地确定了温度场边界、划分了单元格 ;推导了该特定导热微分方程的变分方程 ,阐述了有限元解算的原理 ;论述了由温度场解算结果计算围岩散热量的方法。由此原理和方法 ,编制了计算机程序 ,以一个简单的实例 ,分析了掘进工作面围岩温度场及其散热的特点和规律
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| 关 键 词： | 掘进工作面 温度场 围岩散热 |
| 修稿时间： | 2002年2月1日 |
Calculation of the Heat Emitting from the Wall Rock at Drifting Face with Finite Element Method |
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| Wu Qiang , Qin Yueping Guo Liang Wu Qingyin.Calculation of the Heat Emitting from the Wall Rock at Drifting Face with Finite Element Method[J].China Safety Science Journal,2002,12(6):33-36. |
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| Authors: | Wu Qiang Qin Yueping Guo Liang Wu Qingyin |
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| Institution: | Wu Qiang 1,2 Qin Yueping 2 Guo Liang 2 Wu Qingyin 2 |
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| Abstract: | It is important and difficult to calculate the heat emitting from the wall rock at drifting face. According to the characteristic of temperature field around the drifting face, the differential equation of heat transfer under movable pillar coordinate is analyzed, the boundary of the temperature field is rationally set up, and the elements are plotted.The theory of finite element method to solve this heat transfer differential equation and the calculation method for the heat emitting from wall rock to air according to the result from solution of the temperature field are discussed.According to this principle and method, a program is compiled and exemplified with a simple example. |
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| Keywords: | Drifting face Temperature field Heat emitting from wall rock |
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