Journal
INTERNATIONAL JOURNAL OF THERMAL SCIENCES
Volume 98, Issue -, Pages 156-164Publisher
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.ijthermalsci.2015.07.015
Keywords
Porous materials; Radiative transfer; Thermal conductivity; Extinction coefficient; Scattering theory; Inverse problems
Categories
Funding
- European Union (EU) [260123]
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In order to understand and improve the thermal insulation performance of cellular polymeric foams, two different polymers and corresponding foams, extruded polystyrene foam (XPS) and Polyurethane foam (PUR) were selected and thoroughly characterized at ZAE Bayern. At first radiative properties, cell morphology and thermal conductivity were characterized. The measured results were then compared to the theoretical model developed at ZAE Bayern. The validated model allows then the prediction of the insulation performance of an arbitrary XPS or PUR foam with given density and geometrical structure. It also allows defining the optimal structure (resin, cell morphology, density) to achieve the desired thermal conductivity. (C) 2015 Elsevier Masson SAS. All rights reserved.
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