Effect of the spanwise grid spacing and treatment of convection term in DES

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A two-dimensional backward facing step flow was comptuted using a Detached Eddy simulation(DES) based on the SST turbulence model. The expansion ratio(ER) was 1.125 and the Reynolds number based on the step height and the mean velocity in the upstream channel was 37,500. The flow condition was the same as with the experimental research[1]. The reattachment length, oscillatory characteristics of the flow and the coherent structures of the present simulation were compared to demonstrate the improtance of spanwise grid spacing.
Publisher
한국항공우주학회
Issue Date
2007-11
Language
English
Citation

INTERNATIONAL JOURNAL OF AERONAUTICAL AND SPACE SCIENCES , v.8, no.2, pp.1 - 10

ISSN
2093-274X
URI
http://hdl.handle.net/10203/14598
Appears in Collection
AE-Journal Papers(저널논문)
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