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BRDF表面对一维梯度折射率介质内辐射传热影响
  • ISSN号：0253-231X
  • 期刊名称：工程热物理学报
  • 时间：2014.9.15
  • 页码：1793-1797
  • 分类：TK124[动力工程及工程热物理—工程热物理;动力工程及工程热物理—热能工程]
  • 作者机构：[1]西安热工研究院有限公司, [2]华中科技大学煤燃烧国家重点实验室, [3]清华大学热能动力仿真与控制研究所
  • 相关基金：国家自然科学基金(No.50906027,No.51025622,No.51021065)
  • 相关项目：热辐射分析与燃烧监控
作者： 王志超|陶光春|马文维|程强|周怀春|
关键词： BRDF, 辐射传热, 梯度折射率, DRESOR法, 逆蒙特卡洛法
中文摘要：

辐射计算中的漫反射或镜反射假设并不足以完整地描述实际表面的特性.本文首次将BRDF、表面引入辐射传热分析。使用Minnaert模型模拟BRDF表面,通过遗传算法得到模型参数.用DRESOR法和逆蒙特卡洛法求解了含BRDF表面的-维梯度折射率介质中的辐射传热问题。计算结果显示了DRESOR法和逆蒙特卡洛法的准确性。虽然BRDF表面和相应的漫反射表面对应的温度偏差仅为±1.5%,但辐射热流偏差高达±10.5%,这足以引起很大的分析误差,实际辐射热分析中应引起重视。

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700MW超临界锅炉分仓配煤燃烧优化调整试验研究
生物柴油研究现状及其进展
Application of a multi-field synergy principle in the performance evaluation of convective heat transfer enhancement in a tube
TiO2-Ag2O复合纳米纤维烟气脱汞实验研究
均匀各向同性湍流亚格子流场统计性质
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期刊信息
  • 《工程热物理学报》
  • 中国科技核心期刊
  • 主管单位:中国科学院
  • 主办单位:中国工程热物理学会 中国科学院工程热物理研究所
  • 主编：徐建中
  • 地址：北京2706信箱
  • 邮编：100080
  • 邮箱：xb@mail.etp.ac.cn
  • 电话：010-62584937
  • 国际标准刊号：ISSN：0253-231X
  • 国内统一刊号：ISSN：11-2091/O4
  • 邮发代号:2-185
  • 获奖情况:
  • 中国期刊方阵“双效”期刊
  • 国内外数据库收录:
  • 美国化学文摘（网络版）,荷兰文摘与引文数据库,美国工程索引,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,中国北大核心期刊（2000版）
  • 被引量:21026