Alternating heat transfer between objects of large geometrical difference

Gao, Weimin, Kong, Lingxue and Hodgson, Peter 2007, Alternating heat transfer between objects of large geometrical difference, Advances in engineering software, vol. 38, no. 11-12, pp. 818-825, doi: 10.1016/j.advengsoft.2006.08.042.

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Title Alternating heat transfer between objects of large geometrical difference
Author(s) Gao, WeiminORCID iD for Gao, Weimin
Kong, LingxueORCID iD for Kong, Lingxue
Hodgson, Peter
Journal name Advances in engineering software
Volume number 38
Issue number 11-12
Start page 818
End page 825
Publisher Elsevier Applied Science
Place of publication Barking, Essex, England
Publication date 2007-02-16
ISSN 0965-9978
Keyword(s) heat transfer
computational simulation
alternative heating source
heat treatment
Summary The heat transfer on the surface of an object in a gas fluidised bed is sequentially and alternately induced by particle-packet and gas bubble. This phenomenon is studied with computational simulation. The particle-packet and bubble are modelled by a double particle-layers and porous medium model and a hemispherical model, respectively. The heat transfer to and within the object is simulated concurrently. Different grid schemes are applied and different grid sizes are used in meshing the particle-packet and the object as there is a very large difference in their geometrical sizes. Based on theoretical analysis, an approximate method is developed to calculate the heat flux at the surface of the object. The simulation is implemented in a CFD package and the results are compared with experiments.
Language eng
DOI 10.1016/j.advengsoft.2006.08.042
Field of Research 091505 Heat and Mass Transfer Operations
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2007, Elsevier Ltd
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