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Multi-scale time integration for transient conjugate heat transfer

Abstract:

The quasi-steady assumption is commonly adopted in existing transient fluid–solid-coupled convection–conduction (conjugate) heat transfer simulations, which may cause non-negligible errors in certain casesof practical interest. In the present work, we adopt a new multi-scale framework for the fluid domainformulated in a triple-timing form. The slow-varying temporal gradient corresponding to the time scalesin the solid domain has been effectively included in the fluid equations as a source term, ...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted Manuscript

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Publisher copy:
10.1002/fld.4295

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Department:
Oxford, MPLS, Engineering Science
GE-ALSTOM Power More from this funder
Publisher:
Wiley Publisher's website
Journal:
International Journal for Numerical Methods in Fluids Journal website
Volume:
83
Issue:
12
Pages:
887-904
Publication date:
2016-09-15
Acceptance date:
2016-08-21
DOI:
EISSN:
1097-0363
ISSN:
0271-2091
Pubs id:
pubs:647914
URN:
uri:67769c1f-7680-4619-a372-e37f216d7e66
UUID:
uuid:67769c1f-7680-4619-a372-e37f216d7e66
Local pid:
pubs:647914

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