Abstract
Numerical and Experimental Investigation of the Influence of External Wall Moisture on Building Temperature Distributions
Highlights
The knowledge of physical processes resulting from the interaction of environmental factors on the building is the basis for the proper shaping of its microclimate [1, 2]
In order to validate the results of numerical simulation, a test model was used taking into account the parameters specified in PL-EN 15026
The obtained values of linear thermal transmittance coefficient are significantly lower than those indicative resulting from the norm PN-EN 14683:2017-09 [31]
Summary
The knowledge of physical processes resulting from the interaction of environmental factors on the building is the basis for the proper shaping of its microclimate [1, 2]. Rational estimation of humidity distribution in structural elements of building partitions is necessary to predict the scope and rate of progress of possible degradation processes. The result can be damage to the building, adverse indoor climate and increased unnecessarily high energy consumption [8]. This phenomenon has many other negative consequences, and the high risk of wall moisture can cause serious damage to structural elements. In the era of energy-efficient building technologies and popular thermal modernisation, increasingly thick insulation layers are often used to protect against wind and against water vapour exfiltration, which contributes to increased concentrations of air pollutants and is an important source of moisture formation [8, 11]
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