A modelling method for conjugate heat transfer and fluid flow in building spaces

Potter, Steve and Underwood, Chris (2004) A modelling method for conjugate heat transfer and fluid flow in building spaces. Building Services Engineering Research and Technology, 25 (2). pp. 111-125. ISSN 0143-6244

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Official URL: http://dx.doi.org/10.1191/0143624404bt092oa

Abstract

Computational fluid dynamics (CFD) has been used extensively for the prediction of air movement in buildings. In many cases buoyancy forces generated at heated surfaces that dissipate their energy by an interactive process of convection, radiation and conduction dominate air movement. In this work a new method for calculating conjugate fluxes at surfaces involving coupled short-wave and long-wave radiation, convection and conduction is developed as part of the CFD eld problem. The method is based on translating surface radiant exchanges into local volumetric fluxes. Results for a test room with a heated surface compared with data generated within the framework of IEA Annex 20 show that the method produces better results than might be expected from conventional models that use simplified radiant treatments.

Item Type: Article
Subjects: K900 Others in Architecture, Building and Planning
Department: Faculties > Engineering and Environment > Geography and Environmental Sciences
Depositing User: EPrint Services
Date Deposited: 07 Feb 2011 10:20
Last Modified: 10 Aug 2015 11:35
URI: http://nrl.northumbria.ac.uk/id/eprint/1949

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