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Title: The effective thermal conductivity of insulation materials reinforced with aluminium foil at low temperatures
Authors: Uludağ Üniversitesi/Mühendislik Fakültesi/Makine Mühendisliği Bölümü.
Yüksel, Numan
Avcı, Atakan
Kılıç, Muhsin
Keywords: Thermodynamics
Fibrous insulation
Aluminum foil
Effective thermal conductivity
Expanded polystyrene foams
Experimental measurements
Glass wool
Hot plates
Insulation materials
Low temperatures
Multilayer thermal insulation
Reflective materials
Temperature differences
Issue Date: Sep-2012
Publisher: Springer
Citation: Yüksel, N. vd. (2012). "The effective thermal conductivity of insulation materials reinforced with aluminium foil at low temperatures". Heat and Mass Transfer, 48(9), 1569-1574.
Abstract: The effective thermal conductivity (ETC) of multilayer thermal insulation materials was experimentally investigated as a function of temperature (0-25 A degrees C). The materials consisted of binary/ternary glass wools or ternary expanded polystyrene foams reinforced with aluminium foil. The experimental measurements were performed using a guarded hot plate with temperature differences of 5, 10 and 15 A degrees C. The results indicated that significant correlations exist between ETC and the characteristics of the materials with decreasing temperature. The ETC decreases with reinforcement with aluminium foil at the same temperature or with temperature differences of 5 and 15 A degrees C. In addition, it was clearly observed that the ETC decreases sharply with decreased temperature. Consequently, reflective materials may reduce the ETC at low temperatures.
ISSN: 0947-7411
Appears in Collections:Scopus
Web of Science

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