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Suppression of natural convection heat transfer coefficients in an attic shaped enclosure

Anderson, T. N., Duke, M. and Carson, J. K. 2010, Suppression of natural convection heat transfer coefficients in an attic shaped enclosure, International communications in heat and mass transfer, vol. 37, no. 8, pp. 984-986.

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Title Suppression of natural convection heat transfer coefficients in an attic shaped enclosure
Author(s) Anderson, T. N.
Duke, M.
Carson, J. K.
Journal name International communications in heat and mass transfer
Volume number 37
Issue number 8
Start page 984
End page 986
Publisher Pergamon
Place of publication Oxford, England
Publication date 2010-10
ISSN 0735-1933
1879-0178
Keyword(s) triangular enclosure
heat transfer
attic
natural convection
Convection suppression
Summary The use of convection suppression devices has been widely discussed in the literature as a means of reducing natural convection heat loss from enclosed spaces. In this study the use of a single baffle was examined as a possible low cost means of suppressing heat loss by natural convection in an attic shaped enclosure.

Recently the authors experimentally demonstrated that the natural convection heat transfer for an attic shaped enclosure with Grashof Numbers in the range of 107 to 109 [1] could be predicted using a correlation in the literature developed for Grashof Numbers in the range 105 and 106 [2]. However, in this study the impact of adding a single baffle to the enclosure was examined. It was found that the heat transfer coefficient changes with increasing baffle length, and can be predicted using a modified form of the correlation presented in [1], as shown in Eq. (1).
Language eng
Field of Research 090703 Environmental Technologies
Socio Economic Objective 970105 Expanding Knowledge in the Environmental Sciences
HERDC Research category C1 Refereed article in a scholarly journal
HERDC collection year 2010
Copyright notice ©2010, Elsevier Ltd.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30030408

Document type: Journal Article
Collection: School of Engineering
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Created: Thu, 30 Sep 2010, 09:12:52 EST by Tim Anderson