| 离散坐标法及其在加热炉中的应用 |
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| 引用本文： | 屈成锐,李义科,武文斐.离散坐标法及其在加热炉中的应用[J].包头钢铁学院学报,2004,23(2):97-100. |
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| 作者姓名： | 屈成锐 李义科 武文斐 |
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| 作者单位： | 内蒙古科技大学能源与环境工程学院，内蒙古科技大学能源与环境工程学院，内蒙古科技大学能源与环境工程学院 内蒙古包头 014010，内蒙古包头 014010，内蒙古包头 014010 |
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| 摘 要： | 阐述了含吸收散射性介质三维空腔内辐射传递方程的离散坐标解法.讨论了假散射和射线效应对解精度的影响.对三维矩形炉膛内辐射传递过程进行了数值模拟,并与区域法进行了比较.结果表明,离散坐标法具有较好的精度,是辐射传递过程数值模拟的一种较好的方法,并将它应用于加热炉中钢坯的加热,得到了较好的结果.
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| 关 键 词： | 辐射换热 离散坐标法 数值计算 离散坐标法 加热炉 应用 furnace heat utilization practical radiative transfer equation solutions 钢坯 方法 过程数值模拟 辐射传递方程 结果 比较 区域法 传递过程 内辐射 矩形炉膛 三维空腔 |
| 文章编号： | 1004-9762(2004)02-0097-04 |
Discrete ordinate solutions of radiative transfer equation and its practical utilization in the heat furnace |
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| QU Cheng-rui,LI Yi-ke,WU Wen-fei.Discrete ordinate solutions of radiative transfer equation and its practical utilization in the heat furnace[J].Journal of Baotou University of Iron and Steel Technology,2004,23(2):97-100. |
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| Authors: | QU Cheng-rui LI Yi-ke WU Wen-fei |
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| Abstract: | The discrete ordinate approximation method of three dimensional radiative transfer equation in absorbing-scattering medium is expounded. The causes about the formation of false scattering and ray effect and its influence on the accuracy of solutions are also analyzed. The process of radiative heat transfer in a three dimension rectangular furnace is simulated using discrete ordinates method, which has good accuracy and is recently found as the best to simulate the process of radiative heat transfer in furnace in comparison with zone and discrete transfer method. |
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