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Journal of Spectroscopy and Dynamics 2011, 1: 7
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Review Article
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Some physical models used to identify and analyze infrared radiative properties of semi-transparent dispersed materials
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Leonid A. Dombrovskya, Dominique Baillisb, Jaona H. Randrianalisoab
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a Joint Institute for High Temperatures, 17A Krasnokazarmennaya,
NCHMT, Moscow, 111116, Russia
b CETHIL, UMR5008, CNRS, INSA-Lyon, Université Lyon 1, Villeurbanne, F-69621, France
LaMCoS, UMR5259, CNRS, INSA-Lyon, Université Lyon 1, Villeurbanne, F-69621, France
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Abstract |
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An overview of the present-day theoretical and computational models developed to study infrared radiative properties of various semi-transparent dispersed materials with a special attention to the advanced porous materials is presented. Both traditional and novel physical models and computational tools used to identify and analyze spectral radiative properties of semi-transparent scattering media are discussed in some details. Several practical examples of various dispersed materials such as fused quartz containing gas bubbles, polymer foam insulation, light-weight quartz fibrous material, and low-porosity zirconia ceramics are considered. It is illustrated how to employ the discussed models to determine near-infrared properties of advanced thermal insulations and other materials of particular interest in engineering.
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Keywords |
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Infrared properties; Dispersed materials; Identification; Physical models
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