A theory for the effects of convective air flow through fibrous thermal insulation

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AuthorSearch for:
TypeArticle
Journal titleASHRAE Transactions
ISSN0001-2505
Volume72
Issue2
Pages111.2.1111.2.9
Subjectthermal insulating materials; air flow; convection; thermal conduction; Fibre; isolant thermique; ecoulement de l'air; convection; conduction thermique
AbstractThe author records the theoretical development of a hypothesis accounting for heat transfer through a porous insulation by a combination of air conduction and air convection. In conducting this study, the author chose a fibrous insulation with both faces permeable to air. He analysed the theoretical behaviour of two models: the first had uniform temperatures over each surface of the insulation, while the second was provided with a uniform temperature gradient over each face. The author took measurements of heat transfer through the fibrous insulation of a standard four-foot-high panel of low density. The experimental results were compared with those from the study of the first model.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedNo
IdentifierDBR-RP-321
NRC number9675
1587
NPARC number20378786
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Record identifierc4e1ae15-a70b-41b9-a336-242196a3a80e
Record created2012-07-24
Record modified2016-05-09
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