.BuildSysPro.Building.BuildingEnvelope.HeatTransfer.FloorOnSlab

Information

Model of a slab-on-grade floor, the ground is modelled as purely conductive and considers solar fluxes transmitted through windows

Hypothesis and equations

Inner floor on a slab-on-grade floor model with a boundary condition on underside temperature (ground temperature). Modelling considers only the 1D conduction within the floor and the ground. On the upper side, convection and long wavelengths exchanges are modelled by a global surface exchange coefficient hs. The optional parameter RadInterne allows to take into account short wavelengths flows.

The parameter SurEquiValentTerre allows to take into account a ground layer whose thickness, mesh and type (clay/silt or sand/gravel) are defined in the Ground parameters section. In case this parameter is False the ground constituent material must be considered in the CaracParoi parameter.

Bibliography

none

Instructions for use

Complete the parameters regarding the type of models, inclusion of short wavelengths solar flux as well as a layer of a ground equivalent under the floor.

Complete the parameters of the slab / floor especially on the surface, the surface exchange coefficient and the characteristics of materials used. If SurEquivalentTerre = True is selected, fill in the Groud Parameters section information on the thickness of this layer and its discretization.

Complete the parameters for initialisation.

Known limits / Use precautions

none

Validations

Validated model - Gilles Plessis 06/2012

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Licensed by EDF under a 3-clause BSD-license
Copyright © EDF 2009 - 2023
BuildSysPro version 3.6.0
Author : Gilles PLESSIS, EDF (2012)
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Revisions

Aurélie Kaemmerlen 02/2011 :

Vincent Magnaudeix 03/2012 : Ajout d'un noeud de température pour une connection à une température de sol variable

Aurélie Kaemmerlen 05/2011 : Modification du nom du connecteur CLOabs changé en FluxAbsInt

Gilles Plessis 06/2012 :

Aurélie Kaemmerlen 07/2012 : Modification similaires à celles effectuées sur la paroi classique


Amy Lindsay 03/2014 : changement des FluxSolInput en RealInput pour les flux absorbés intérieur pour éviter les confusions (ces flux absorbés en GLO ou en CLO peuvent non seulement provenir du soleil, mais aussi d'autres sources radiatives)

Benoît Charrier 12/2015 : ajout du paramètre caracTerre permettant de changer les caractéristiques physiques du sol

Mathias Bouquerel 07/2019 : the calculation of the wall U-value is added (takes into account the wall composition and heat transfer coefficients).


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