The Influence of Natural and Forced Convection in Attics – A CFD Analysis

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dc.contributor.authorBengtson, Andreas
dc.contributor.authorFransson, Victor
dc.contributor.departmentChalmers tekniska högskola / Institutionen för bygg- och miljötekniksv
dc.contributor.departmentChalmers University of Technology / Department of Civil and Environmental Engineeringen
dc.date.accessioned2019-07-03T13:38:47Z
dc.date.available2019-07-03T13:38:47Z
dc.date.issued2014
dc.description.abstractIn this thesis project, the air and heat flow in a principal insulated cold attic model has been numerically investigated through the use of the commercial CFD software ANSYS Fluent. A numerical model for the heat transfer has been developed and verified with experiments on a simple box model containing insulation and an overlying horizontal air cavity. This numerical model was then applied on a cold attic model with insulation and wooden joists. Both situations with pure natural convection, caused by the temperature difference between the hot floor of the attic and the cold roof, as well as situations where the attic in addition was exposed to forced convection in the form of attic ventilation has been investigated. This project has been a collaboration between ÅF Industry AB and the Division of Building Technology at Chalmers University of Technology.
dc.identifier.urihttps://hdl.handle.net/20.500.12380/215318
dc.language.isoeng
dc.relation.ispartofseriesExamensarbete - Institutionen för bygg- och miljöteknik, Chalmers tekniska högskola : 2014:155
dc.setspec.uppsokTechnology
dc.subjectBuilding Futures
dc.subjectByggnadsteknik
dc.subjectBuilding Futures
dc.subjectBuilding engineering
dc.titleThe Influence of Natural and Forced Convection in Attics – A CFD Analysis
dc.type.degreeExamensarbete för masterexamensv
dc.type.degreeMaster Thesisen
dc.type.uppsokH
local.programmeApplied mechanics (MPAME), MSc
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