| 复合微球型气溶胶对红外的消光 |
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| 引用本文： | 胡晓春, 乔小晶, 李江存. 复合微球型气溶胶对红外的消光[J]. 红外技术, 2005, 27(2): 179-182. DOI: 10.3969/j.issn.1001-8891.2005.02.020 |
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| 作者姓名： | 胡晓春 乔小晶 李江存 |
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| 作者单位： | 北京理工大学,爆炸灾害预防与控制国家重点实验室,北京,100081;防化指挥工程学院,北京,102205;北京理工大学,爆炸灾害预防与控制国家重点实验室,北京,100081 |
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| 摘 要： | 对复合镀金属微球的红外消光特性进行了数值计算,结果表明,当壳层厚度小于某一值时,对数正态分布下的双层壳复合微球,在最佳中径附近范围内时的质量消光系数大于单层壳微球,也大于由单层壳微球与双层壳复合微球的外层壳材料混合的微球;随着内壳h或外壳H的增加,上述粒径范围变窄,而随着波长λ的增加该范围变宽.微球的最佳中径等于波长的三分之一左右.
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| 关 键 词： | 气溶胶 红外 消光 复合微球 |
Extinction of Aerosol Base on Composite Spheres in Infrared waveband |
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| HU Xiao-chun, QIAO Xiao-jing, LI Jiang-cun. Extinction of Aerosol Base on Composite Spheres in Infrared waveband[J]. Infrared Technology , 2005, 27(2): 179-182. DOI: 10.3969/j.issn.1001-8891.2005.02.020 |
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| Authors: | HU Xiao-chun QIAO Xiao-jing LI Jiang-cun |
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| Abstract: | The mass attenuation coefficient of the composite spheres of Cu-coated spheres covered with graphite is compared with that of the mixture of the Cu-coated spheres and graphite particles in infrared. The results show that the mass attenuation coefficient of the former is bigger than that of the latter in a range. It is also bigger than that of the Cu-coated spheres or graphite spheres. The optimal median diameter of the sphere is found to be about one third of the wave length to be interfered in infrared waveband. |
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| Keywords: | Aerosol Extinction composite Infrared |
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