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doi:10.3850/978-981-08-7920-4_S4-E02-cd
Effect of Environmental Conditions on Service Life of Thermal Insulation Systems
Jan Kočí1, Jiří Maděra1, Xinying Lu2 and Robert Černý1
1Deparment of Materials Engineering and Chemistry, Faculty of Civil Engineering,
Czech Technical University in Prague, Prague, Czech Republic.
2Department of Civil Engineering, Tsinghua University, Beijing, China.
ABSTRACT
An assessment of the service life of several thermal insulation systems including their exterior
renders is performed using a combined computational-experimental approach. A diffusiontype
model is used for the description of coupled heat and moisture transport aimed at the
identification of the number of frost cycles in a real structure under different climatic load.
As boundary conditions, climatic data corresponding to typical years in Prague, Beijing and
Harbin are applied. A set of computational simulations of hygrothermal conditions in the
studied envelopes is done for different material compositions and different climates. The data
analysis provides information on the most advantageous material composition with respect to
the service life of thermal insulation systems including their exterior renders.
Keywords: Frost resistance, Service life estimate, Heat and moisture transport, Experimental analysis.
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