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Thermal simulation studies of a low energy university building in Australia

Fuller, Robert and Luther, Mark 2002, Thermal simulation studies of a low energy university building in Australia, Building research and information, vol. 30, no. 4, pp. 255-263.

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Title Thermal simulation studies of a low energy university building in Australia
Author(s) Fuller, Robert
Luther, Mark
Journal name Building research and information
Volume number 30
Issue number 4
Start page 255
End page 263
Publisher E. & FN Spon
Place of publication London, England
Publication date 2002-07
ISSN 0961-3218
1466-4321
Keyword(s) simulation
TRNSYS
commercial buildings
hypocaust
pre-cooling
night-time cooling
Summary A key criterion by which any building will be judged when its environmental impact is assessed is its thermal performance. This paper describes the simulation of an office module in a three-storey university building in south eastern Australia. The module, located at the north-west corner of the top floor of the building, was chosen because it is likely to have the highest cooling load - a primary concern of energy conscious designers of commercial buildings for most parts of Australia.

In the paper, the initial key assumptions are stated, together with a description of a "reference" or base case, against which improvements in thermal performance were measured. The simulation process identified the major influences on thermal performance. This enabled changes in materials and construction, as well as basic design concepts to be evaluated. Features incorporated into the base case such as a metal roof and glazed walkway were found to have adverse influence on energy consumption, and were consequently rejected in preference for an improved design which included a hypocaust slab system on the roof of the office module. The final design was predicted to reduce the annual energy consumption for heating and cooling by 72% and 76% respectively.

La performance thermique est l'un des critegraveres cleacutes de l'eacutevaluation environnementale de tout bacirctiment. Cet article deacutecrit la simulation d'un module de bureau appartenant agrave un immeuble de trois eacutetages d'une universiteacute du sud-est de l'Australie. Ce module, situeacute agrave l'angle nord-ouest de l'eacutetage supeacuterieur du bacirctiment a eacuteteacute choisi car c'eacutetait lui qui, vraisemblablement, avait la charge de refroidissement la plus eacuteleveacutee, ce qui est une preacuteoccupation majeure des concepteurs conscients des problegravemes d'eacutenergie des bacirctiments commerciaux dans la plus grande partie du pays. Le processus de simulation a fait apparaicirctre trois influences principales sur la performance thermique par rapport agrave un cas de base. Cela a permis d'eacutevaluer les modifications apporteacutees aux mateacuteriaux et agrave la construction ainsi qu'aux avant-projets. Les caracteacuteristiques inteacutegreacutees dans le cas de base comme le toit meacutetallique et la passerelle vitreacutee avaient une influence neacutefaste sur la consommation d'eacutenergie et ont donc eacuteteacute rejeteacutees au beacuteneacutefice d'un concept ameacutelioreacute qui comprenait une dalle de type hypocauste sur le toit du module de bureau. Le concept final devrait reacuteduire la consommation annuelle d'eacutenergie pour le chauffage et le refroidissement de 72 % et 76 % respectivement, ce qui donne une ideacutee de la valeur ajouteacutee au processus de production agrave partir de proceacutedures avanceacutees de modeacutelisation et de simulation.
Notes This is an electronic version of an article published in Building Research and Information, vol. 30, iss. 4, 2002. Building Research and Information is available online at: http://www.informaworld.com/ with the open URL of your article http://www.informaworld.com/openurl?genre=article&issn=0961-3218&volume=30&issue=4&spage=255

The published version of this article is titled 'Thermal simulation of an Australian university building'.


Reproduced with the kind permission of the copyright owner.

Language eng
Field of Research 120202 Building Science and Techniques
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2002, Taylor & Francis Ltd
Persistent URL http://hdl.handle.net/10536/DRO/DU:30001582

Document type: Journal Article
Collections: School of Architecture and Built Environment
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.