Principles of the four-point thermographic measurement of the surface temperature and emissivity of glossy materials

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27120%2F16%3A86095372" target="_blank" >RIV/61989100:27120/16:86095372 - isvavai.cz</a>
Result on the web
<a href="http://onlinelibrary.wiley.com/doi/10.1002/bapi.201610001/abstract" target="_blank" >http://onlinelibrary.wiley.com/doi/10.1002/bapi.201610001/abstract</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1002/bapi.201610001" target="_blank" >10.1002/bapi.201610001</a>

Result language
angličtina
Original language name
Principles of the four-point thermographic measurement of the surface temperature and emissivity of glossy materials
Original language description
The emissivity and surface temperature of glossy materials are measured in IR thermography by covering the surface with a material with the known emissivity. The quantities can be, however, determined without using materials with the known emissivity. IR radiation is refl ected from the measured glossy surface and a thermographer detects such refl ection. This paper discusses the measurement of the surface temperature and emissivity of glossy materials which are used in external structures of the buildings - for instance, windows, light external walls or tiles. A four-point method is proposed for a more accurate determination of the surface temperature and emissivity of glossy materials. Results of successful laboratory and fi eld tests of the method are presented.
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
JN - Civil engineering
OECD FORD branch
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Publication year
2016
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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