Comparison of four hygrothermal models in terms of long-term performance assessment of wood-frame constructions

From National Research Council Canada

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Author	Search for: Nofal, M.¹; Search for: Straver, M.¹; Search for: Kumaran, M. K.¹
Affiliation	National Research Council of Canada. NRC Institute for Research in Construction
Format	Text, Article
Conference	8th Conference on Building Science & Technology, Solutions to Moisture Problems in Building Enclosures: 01 February 2001, Toronto, Ontario
Subject	Hygrothermal properties
Abstract	Recent advances in computer technology have aided the development of a number of hygrothermal models. These models can predict the distribution of temperature, relative humidity, and airflow pattern through building envelope components as they vary with time. This paper presents the results of an investigation, which evaluated the applicability of four-hygrothermal computer models, viz. hygIRC, DIM3.1 or DELPHIN 4.1, MOIST and WUFI, in predicting the long-term behaviour of a wood-frame wall with stucco cladding. The potential to inhibit mould growth is used as the criterion to assess the long-term performance. It was found that the four models provided similar information on the thermal responses throughout the simulation period, but somewhat different information on the changes in moisture distribution. The paper shows the evaluation of the models in terms of grid generation, required material properties, simulation time and ease of use.
Publication date	2001-02-01
Language	English
Peer reviewed	Yes
NRC number	NRCC 44690 NRC-IRC-14027
NPARC number	20379014
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Record identifier	152f7bef-0935-4be1-8d26-d7feccdafbe7
Record created	2012-07-24
Record modified	2020-03-27

Date modified:: 2024-07-28