Response surface analysis of the dimensionless heat and mass transfer parameters of Medium Density Fiberboard

•Development and formulation of a dimensionless Heat, Air and Moisture (HAM) transfer model.•Presentation and discussion of response surface of global and dimensionless numbers.•Analysis of the competition between diffusion advection and phase change for Medium Density Fiberboard. The development of...

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Bibliographic Details
Published in:International journal of heat and mass transfer 2018-12, Vol.127, p.623-630
Main Authors: Trabelsi, Abdelkrim, Slimani, Zakaria, Virgone, Joseph
Format: Article
Language:English
Subjects:
Building design
Building envelope
Building envelopes
Civil Engineering
Computer simulation
Density
Dimensional analysis
Dimensionless analysis
Dimensionless numbers
Engineering Sciences
Environmental engineering
Fiberboard
Heat transfer
Heat, air and moisture transfer
Mass balance
Mass transfer
Materials
Mechanics
Porous materials
Response surface
Response surface methodology
State variable
Surface analysis (chemical)
Thermics
Thermophysical models
Thermophysical properties
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Summary:•Development and formulation of a dimensionless Heat, Air and Moisture (HAM) transfer model.•Presentation and discussion of response surface of global and dimensionless numbers.•Analysis of the competition between diffusion advection and phase change for Medium Density Fiberboard. The development of predictive models to simulate heat and mass transfers in building envelopes is crucial for better energetic and environmental design of buildings. The models in the literature are based on heat and mass balance equations. Many of these use constant or briefly described input data. They use a dimensional formulation where the mechanisms involved are difficult to analyze. This article presents a dimensional analysis of Heat, Air and Moisture (HAM) transfer model where the thermophysical properties of the materials are taken as a function of the state variables describing the system. The analysis of the magnitude of the dimensionless numbers of the model and their response surface led to the estimation of the mechanisms governing HAM transfers for Medium Density Fiberboard. The methodology presented in this study can be very useful in the design phase since it allows the direct comparison of different families of wall elements.
ISSN:0017-9310
1879-2189
DOI:10.1016/j.ijheatmasstransfer.2018.05.145