| 辐射传递蒙特卡洛法精度分析及数值试验 |
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| 引用本文： | 阮立明,谭建宇,董士奎,谈和平.辐射传递蒙特卡洛法精度分析及数值试验[J].工程热物理学报,2003,24(5):813-816. |
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| 作者姓名： | 阮立明 谭建宇 董士奎 谈和平 |
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| 作者单位： | 哈尔滨工业大学能源科学与工程学院,黑龙江,哈尔滨,150001 |
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| 基金项目： | 国家自然科学基金(No.50276014)，哈尔滨工业大学校基金(No.HIT.2001.23) |
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| 摘 要： | 本文建立了蒙特卡洛法模拟散射参与性介质内辐射传递计算模型。对蒙特卡洛法的计算精度及运行时间进行了较为详细的分析,提出了几种判断计算精度的方法。同时,借助蒙特卡洛法模拟辐射传递过程,进行数值“辐射实验”。利用该“实验结果”进行了物性反问题研究。在已知光学厚度的前提下,得到散射反照率与后半球辐射热流之间的单值函数关系。
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| 关 键 词： | 蒙特卡洛法 辐射传递 辐射交换因子 反问题 |
| 文章编号： | 0253-231X(2003)05--0813-04 |
| 修稿时间： | 2002年12月10 |
THE PRECISION ANALYSIS ABOUT RADIATIVE TRANSFER MONTE-CARLO METHOD AND NUMERICAL EXPERIMENT RESEARCH |
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| RUAN Li-Ming TAN Jian-Yu DONG Shi-Kui TAN He-Ping.THE PRECISION ANALYSIS ABOUT RADIATIVE TRANSFER MONTE-CARLO METHOD AND NUMERICAL EXPERIMENT RESEARCH[J].Journal of Engineering Thermophysics,2003,24(5):813-816. |
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| Authors: | RUAN Li-Ming TAN Jian-Yu DONG Shi-Kui TAN He-Ping |
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| Abstract: | The Monte-Carlo (MC) model for radiative transfer in scattering participating medium is developed in this paper. The precision and CPU time of MC model are analysed and several characters are employed to estimate the uncertainty of MC simulation. In meanwhile, by the MC numerical radiative transfer experiment, the radiative property inverse problem has been studied. The monotropic function between scattering albedo and backward radiative flux has been deduced, when the optical thickness is well known. |
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| Keywords: | monte-carlo method radiateve transfer radiative exchange factor inverse problem |
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