Coupling building energy simulation and computational fluid dynamics: Application to a two-storey house in a temperate climate

Barbason, Mathieu; Reiter, Sigrid

doi:10.1016/j.buildenv.2014.01.012

Article (Scientific journals)

Coupling building energy simulation and computational fluid dynamics: Application to a two-storey house in a temperate climate

Barbason, Mathieu; Reiter, Sigrid

2014 • In Building and Environment, 75, p. 30-39

Peer Reviewed verified by ORBi

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https://hdl.handle.net/2268/167226

DOI
10.1016/j.buildenv.2014.01.012

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Keywords :

CFD; Multizone; Coupling; Overheating

Abstract :

[en] This article reports the coupling of a building energy simulation (BES) made with TRNSYS with a computational fluid dynamics (CFD) simulation made with ANSYS FLUENT and its application to a typical Belgian two-storey house. The coupling scheme developed in this study aims to improve the overheating prediction for buildings. This phenomenon is becoming increasingly frequent in Northern Europe due to increased insulation and a lack of sun protection and natural cooling strategies. Complementary contributions of the two numerical approaches are underlined and used to obtain accurate results in an acceptable computing time, even in a thermally stratified room. The space and time coupling is discussed to obtain an optimised tool in which BES is in charge of the primary portion of the effort, while CFD intervenes punctually on one room of interest. The numerical results are compared both qualitatively and quantitatively to the experimental results, and the improved accuracy of the coupled tool compared with a standalone BES is underlined.

Research center :

LEMA
Lepur : Centre de Recherche sur la Ville, le Territoire et le Milieu rural - ULiège

Disciplines :

Architecture
Energy

Author, co-author :

Barbason, Mathieu ; Université de Liège - ULiège > Département d'aérospatiale et mécanique > Interactions Fluide-Structure - Aérodynamique expérimentale

Reiter, Sigrid ; Université de Liège - ULiège > Département Argenco : Secteur A&U > Urbanisme et aménagement du territoire

Language :

English

Title :

Coupling building energy simulation and computational fluid dynamics: Application to a two-storey house in a temperate climate

Publication date :

May 2014

Journal title :

Building and Environment

ISSN :

0360-1323

eISSN :

1873-684X

Publisher :

Pergamon Press - An Imprint of Elsevier Science, Oxford, United Kingdom

Volume :

Pages :

30-39

Peer reviewed :

Peer Reviewed verified by ORBi

Name of the research project :

SImulation Multiphysique du BAtiment (SIMBA)

Funders :

FEDER - Fonds Européen de Développement Régional [BE]

Available on ORBi :

since 12 May 2014

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