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Title: Thermal conductivity of insulating refractory materials: Comparison of steady-state and transient measurement methods
Authors: Vitiello, Diana
Nait-Ali, Benoit
Tessier-Doyen, Nicolas
Tonnesen, Thorsten
Laím, Luís 
Rebouillat, Lionel
Smith, David S.
Keywords: Anisotropy; Heat losses; Heterogeneity; Humidity; Refractories; Thermal conductivity
Issue Date: 2021
Project: H2020 European project ATHOR - Advanced THermomechanical multiscale mOdelling of Refractory linings [grant number 764987]. 
Serial title, monograph or event: Open Ceramics
Volume: 6
Abstract: Measurements of thermal conductivity with the heat flow meter, laser flash method, hot disk method and hot wire method are compared on two kinds of refractory materials: Insulating Boards and Insulating Fireclay Bricks. Heat losses, humidity, anisotropy and heterogeneity can explain the variation in thermal conductivity values obtained with the different techniques. If they are taken into account in the analysis, discrepancy within 10% can be found. The choice of the technique depends on the investigated material and on the level of information required.
ISSN: 26665395
DOI: 10.1016/j.oceram.2021.100118
Rights: openAccess
Appears in Collections:I&D ISISE - Artigos em Revistas Internacionais

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