Internal absorption cross sections in a stratified sphere.
Internal absorption cross sections in a stratified sphere.
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DOI：
10.1364/ao.29.001551
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发表时间：
1990-04
期刊：
影响因子：
1.9
通讯作者：
D. Mackowski;R. Altenkirch;M. Pinar Mengüç
中科院分区：
文献类型：
--
作者：
D. Mackowski;R. Altenkirch;M. Pinar Mengüç
给出了层状球内径向吸收截面和角平均吸收热源函数的级数表达式。发展了一种数值稳定而精确的算法，用于计算具有任意层数的分层球体的内部辐射特性以及总的散射和消光。这些结果可以直接估计径向非均匀球形粒子的穿透程度和辐射加热强度，也可以估计具有径向温度分布的粒子的热发射系数。
Series expressions for the radially dependent absorption cross section and angle-averaged absorption heat source function within a stratified sphere are presented. A numerically stable and accurate algorithm for computation of the internal radiative properties, as well as the overall scattering and extinction of a stratified sphere having an arbitrary number of layers is developed. The results allow for direct estimation of the degree of penetration and intensity of radiative heating in radially inhomogeneous spherical particles, and also provide an estimate of the thermal emission coefficient of particles having a radial temperature distribution.