Semi-scale Experiments For Model Calibration
And Verification In Water And Heat Transport In
Porous Media
Author(s)
Z. Pavlík 1 , P. Tesárek 1 , J. Toman 2 & R. Černý 1
Abstract
A semi-scale device is employed for monitoring the drying out process of a
building envelope consisting of freshly cast gypsum elements and exterior
thermal insulation in the conditions of difference climate. The climatic chamber
system includes two climatic chambers connected by a specially developed
tunnel for testing large specimens. As for the climatic conditions on the exterior
side, the test reference year data for Prague are used. Constant temperature and
relative humidity is assumed on the interior side. For monitoring moisture
content, the time-domain reflectometry probes are used, for the relative humidity
and temperature measurements capacitance sensors are utilized. The
measurements are performed for the time period of 92 days. On the basis of the
measured data, calibration of the computer code Delphin 4.4.16 is done. The
measured values of temperature, relative humidity and moisture content are
compared with the calculated data, and a fitting procedure is employed for the
identification of model parameters that are not known with a sufficient accuracy.
Keywords: semi-scale experiment, hygrothermal performance, computer
simulation, multi-layered envelope.
1 Introduction
Determination of hygrothermal performance of building structures belongs to
actual topics of building physics. Presently, two basic approaches are applied in
Keywords
semi-scale experiment, hygrothermal performance, computer
simulation, multi-layered envelope.
Related Book
Other papers in this volume
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