Theoretical Study on Radiative Properties of a Painted Layer Containing Spherical Pigment : Case of Normal Incidence

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概要

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• An analysis is carried out on the radiative transfer in a paint-type coating layer of absorbing and anisotropically scattering medium with two different boundaries of air-coating and coating-substrate. Mie scattering equations are used to evaluate the scattering and the absorption coefficients of the spherical particles of the pigment. A numerical approach to the solution of the transfer equation, using Gaussian quadrature formula and Gaussian elimination procedure, is presented. The effects of the optical properties of the pigment (TiO_2, Fe_2O_3 and carbon), the pigment volume concentration, the absorption by the vehicle and the reflection characteristics of the substrate (specular or diffuse) on the bidirectional and hemispherical reflectances are examined. The wavelength dependence of the results is examined also in the range from 0.35 to 20 μm.

• 一般社団法人日本機械学会の論文

著者

• Shafey Hamdy

  Faculty Of Engineering Kyoto University

• KUNITOMO Takeshi

  Faculty of Engineering, Kyoto University

• TERAMOTO Tetsuo

  Kawasaki Heavy Industry Co.Ltd.

• Kunitomo Takeshi

  Faculty Of Engineering Kyoto University

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• Theoretical Study on Radiative Properties of a Painted Layer Containing Spherical Pigment : Case of Normal Incidence
• Theoretical Study on Infrared Monochromatic Absorption Coefficient of Soot Particles
• Theoretical Study on Infrared Monochromatic Absorption Coefficient of Soot Particles

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