NDLI: Integration of a hygrothermal transfer model for envelope in a building energy simulation model: experimental validation of a HAM

Content Provider	Springer Nature Link
Author	Ferroukhi, M. Y. Abahri, K. Belarbi, R. Limam, K.
Copyright Year	2016
Abstract	The present paper focuses on studying a new methodology to predict the overall behavior of buildings, which combines two simulation tools: COMSOL Multiphysics© and TRNSYS. The first software is used for the modeling of heat, air and moisture transfer in multilayer porous walls (HAM model—Heat, Air and Moisture transfer), and the second is used to simulate the hygrothermal behavior of the building (BES model—Building Energy Simulation). The combined software applications dynamically solve the mass and energy conservation equations of the two physical models. In this context, a coupled heat, air and mass transfer model is proposed. This model incorporates simultaneously the diffusive, convective and conductive effects on the building elements. Heat transfer is considered in the strongly coupled situation where the mass and heat flux are temperature, vapor pressure and total pressure dependents. The model input parameters are evaluated experimentally through the development of various experimental prototypes in the laboratory. Thereafter, an experimental setup has been established in order to evaluate the hygrothermal process of building walls. The experimental procedure consists to follow the temperature and relative humidity evolutions within the envelope thickness, submitted to controlled and fixed boundary conditions. Finally, using the developed experimental device, comparison between experimental data and numerical solution of the HAM–BES co-simulation platform was undertaken. Results showed good agreement with acceptable errors margins.
Starting Page	1851
Ending Page	1861
Page Count	11
File Format	PDF
ISSN	09477411
Journal	Heat and Mass Transfer
Volume Number	53
Issue Number	6
e-ISSN	14321181
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2016-11-17
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Engineering Thermodynamics, Heat and Mass Transfer Industrial Chemistry/Chemical Engineering Thermodynamics
Content Type	Text
Resource Type	Article
Subject	Fluid Flow and Transfer Processes Condensed Matter Physics

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