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Numerical study of a coating with pigment to selectively reflect the thermal radiation from fire
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 Title & Authors
Numerical study of a coating with pigment to selectively reflect the thermal radiation from fire
Byeon, Do-Yeong; Baek, Seung-Uk;
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 Abstract
The infrared reflection coatings with pigment can be used to protect the surfaces of combustible materials exposed to fire. To obtain high reflectivities in the infrared range (0.5-10.mu.m) important to fire, several dielectric pigments, such as titanium dioxide, iron oxide, and silicon, can be synthesized to polymer coatings. The theoretical analysis shows that the coating design with particles diameter in the 1.5 to 2.5.mu.m range and volume fraction in the 0.1 to 0.2 range is estimated to be optimal. In the analysis of the radiation, the dependent scattering, absorption by polymeric binder, and the internal interface reflection are considered. In addition, the temperature distribution in the semi-transparent coating layer and an opaque substrate (PMMA) is also presented.
 Keywords
Coating with Pigment;Fire Safety;Infrafed Themal Radiation;Anisotropic Scattering;Mile Theory;Dependent Scattering;Absorption by Binder;Intenal Reflectance;Conductive and Radiative Heat Transfer;
 Language
Korean
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