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Full Record Details
Persistent URL
http://purl.org/net/epubs/work/34604
Record Status
Checked
Record Id
34604
Title
Anisotropic, isothermal, turbulent swirling flow in a complex combustor geometry
Contributors
LN Jones (Leeds U.)
,
PH Gaskell (Leeds U.)
,
HM Thompson (Leeds U.)
,
XJ Gu (CCLRC Daresbury Lab.)
,
DR Emerson (CCLRC Daresbury Lab.)
Abstract
The performance of popular second moment closure (LRR, SSG) turbulence models is assessed and compared against experimental data for anisotropic swirling flow in a cylindrical combustion chamber. In contrast to previous studies, where the dissipation anisotropy is correlated with the stress anisotropy, the benefit of approximating the former for swirling flows in terms of the mean strain and vorticity is investigated. Second moment closure models are found to predict mean and turbulent flow quantities reasonably well everywhere except near the wall. The anisotropic dissipation model is found to improve prediction of mean flow quantities near the chamber axis and acts to preserve turbulence further downstream.
Organisation
CCLRC
,
CSE
,
CSE-CEG
Keywords
Funding Information
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Language
English (EN)
Type
Details
URI(s)
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Year
Journal Article
Int J Numer Meth Fl
47, no. 10-11 (2005): 1053-1059. Presented at: Conference on Numerical Methods for Fluid Dynamics, Oxford U., 29 Mar 2004 - 1 Apr 2004.
doi:10.1002/fld.852
2005
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