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15 March 2002 Quantification of incident radiation on building wall surfaces by means of infrared thermography
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By using quantitative thermal scanning of building surface structures, it is possible to access to the temperature field. For the further calculation of the heat flux exchanged by these structures with the environment, one must quantify as finely as possible the temperature field on the bodies' surfaces. For this purpose we have to take into account the fact that real bodies are not black which implies that a parts of the radiant energy received by the infrared camera detectors is reflected radiation. In this paper, we present a method to quantify the energy issued by all the bodies placed into e virtual hemisphere surrounding the thermal scene. The target body is a multi-layers wall, which represent a simplified version of a real building structure. In order to validate the method, we have compared the results obtained by thermocouple measurements and by computer simulation of the body with the corrected temperature field.
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Stefan Datcu, Laurent Ibos, Simone Mattei, and Jean-Claude Frichet "Quantification of incident radiation on building wall surfaces by means of infrared thermography", Proc. SPIE 4710, Thermosense XXIV, (15 March 2002);


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