On the sensitivity of surface reflectance to specularity and phase function parameters in MPA modeling of radiative transfer in two-component media

Kowsary Farshad; Gholamian Hamed; Moghadassian Behnam

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On the sensitivity of surface reflectance to specularity and phase function parameters in MPA modeling of radiative transfer in two-component media

机译：两组分介质中辐射传递的MPA建模中表面反射对镜面反射和相函数参数的敏感性

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The multiphase approach (MPA) is used to analyze the radiation in a semi-infinite heterogeneous medium which is exposed to a normal and collimated laser beam. The directional reflectance, R(theta), has been calculated under various types of boundary condition and scattering phase functions. The main target is to compare the influences of the two limiting cases for boundary conditions, i.e., diffuse and specular, on the normal-directional reflectance of the medium, thermal heat flux, and directional-spatial distribution of the radiation intensity. It is found that the effect of scattering phase functions on the R(theta) depends on the type of boundary condition.

机译：多相方法（MPA）用于分析暴露于正常和准直激光束的半无限异质介质中的辐射。已经在各种类型的边界条件和散射相位函数下计算了方向反射率R（θ）。主要目标是比较两种极限情况的边界条件（即漫反射和镜面反射）对介质的法向反射率，热通量和辐射强度的方向空间分布的影响。发现散射相位函数对Rθ的影响取决于边界条件的类型。

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《Numerical Heat Transfer, Part B. Fundamentals: An International Journal of Computation and Methodology》 |2016年第6期|共17页
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Kowsary Farshad; Gholamian Hamed; Moghadassian Behnam;
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正文语种 eng
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On the sensitivity of surface reflectance to specularity and phase function parameters in MPA modeling of radiative transfer in two-component media

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