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 引用本文: 方茜茜, 方伟, 王凯. 蒙特-卡罗法计算黑体空腔有效发射率[J]. 中国光学（中英文）, 2012, 5(2): 167-173.
FANG Qian-qian, FANG Wei, WANG Kai. Calculation of effective emissivity of blackbody cavities by Monte-Carlo method[J]. Chinese Optics, 2012, 5(2): 167-173. doi: 10.3788/CO.20120502.0167
 Citation: FANG Qian-qian, FANG Wei, WANG Kai. Calculation of effective emissivity of blackbody cavities by Monte-Carlo method[J]. Chinese Optics, 2012, 5(2): 167-173.

## 蒙特-卡罗法计算黑体空腔有效发射率

##### doi: 10.3788/CO.20120502.0167

###### 作者简介:方茜茜(1987—),女,陕西汉中人,博士研究生,主要从事低温太阳辐射计方面的研究。 E-mail:fangqianqian1987@163.com
• 中图分类号: TH765.2

## Calculation of effective emissivity of blackbody cavities by Monte-Carlo method

• 摘要: 介绍了蒙特-卡罗法计算黑体空腔发射率的基本思想和主要算法。首先阐述了计算黑体空腔有效发射率的理论基础,然后分别从正向光线追迹和逆向光线追迹的角度对蒙特-卡罗法的具体算法予以说明,提出逆向追迹思想能方便地计算空腔的定向有效发射率,经过运算可以得到腔积分半球有效发射率和平均垂直有效发射率。最后对比了采用蒙特-卡罗法和其它方法的计算结果,分析表明:蒙特-卡罗法在计算黑体空腔有效发射率上是准确的,劣势在于计算速度慢。

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##### 出版历程
• 收稿日期:  2011-12-21
• 修回日期:  2012-02-23
• 刊出日期:  2012-04-10

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