Interface Resistances In Heat And Moisture
Transport: Semi-scale Experimental Analysis
Author(s)
Z. Pavlík, J. Mihulka, J. Žumár, M. Pavlíková & R. Černý
Abstract
A sophisticated semi-scale system which allows experimental simulation of heat
and moisture transport in building structures is employed for analyzing heat and
moisture transfer across interfaces in stone masonry formed by argillite walling
blocks and lime-pozzolana mortar. The dimensions of investigated structure are
close to a real wall but the measuring accuracy is the same as in a laboratory
experiment. Combined relative humidity and temperature mini-sensors are
utilized in continuous long-term monitoring. Measured temperature and relative
humidity profiles provide information on the properties of the interface between
the walling material and mortar which makes possible to identify the interface
permeability. This parameter can then be used in computational models of heat
and moisture transport in masonry which adds to the accuracy of model
predictions.
Keywords: heat and moisture transport, interface resistances, semi-scale
experiment, stone masonry, argillite, lime-pozzolana mortar.
1 Introduction
Computational modelling of coupled moisture and heat transport represents an
effective tool for prediction of behaviour of building structures exposed to
climatic load. For reliability of computational analysis, two requirements must
be met. At first, mathematical-physical model describing the coupled moisture
and heat transport must be formulated. From the theoretical point of view, this
model should be sufficiently sophisticated and complex, and should take into
account all the external and internal effects that affect the moisture and heat
Keywords
heat and moisture transport, interface resistances, semi-scale
experiment, stone masonry, argillite, lime-pozzolana mortar
Related Book
Other papers in this volume
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