Numerical prediction of air flow in a sharp 90 degree elbow

Paper


Mossad, Ruth, Yang, William and Schwarz, M. Philip. 2009. "Numerical prediction of air flow in a sharp 90 degree elbow ." Witt, P. J. and Schwarz, M. P. (ed.) 7th International Conference on Computational Fluid Dynamics in the Minerals and Process Industries (CFD 2009). Melbourne, Australia 09 - 11 Dec 2009 Melbourne, Australia.
Paper/Presentation Title

Numerical prediction of air flow in a sharp 90 degree elbow

Presentation TypePaper
AuthorsMossad, Ruth (Author), Yang, William (Author) and Schwarz, M. Philip (Author)
EditorsWitt, P. J. and Schwarz, M. P.
Journal or Proceedings TitleProceedings of the 7th International Conference on Computational Fluid Dynamics in the Minerals and Process Industries (CFD2009)
ERA Conference ID60410
Number of Pages5
Year2009
Place of PublicationMelbourne, Australia
ISBN9780643098251
Web Address (URL) of Paperhttp://www.cfd.com.au/cfd_conf09/PDFs/149MOS.pdf
Conference/Event7th International Conference on Computational Fluid Dynamics in the Minerals and Process Industries (CFD 2009)
International Conference on CFD in the Minerals and Process Industries
Event Details
7th International Conference on Computational Fluid Dynamics in the Minerals and Process Industries (CFD 2009)
Event Date
09 to end of 11 Dec 2009
Event Location
Melbourne, Australia
Event Details
International Conference on CFD in the Minerals and Process Industries
Abstract

Numerical and experimental investigations of turbulent air
flows inside a sharp 90° elbow bend were conducted in an
open-circuit horizontal-to-vertical suction wind tunnel
system. Computational fluid dynamics simulations were
performed using Fluent software with 3D, steady,
turbulent and incompressible flow conditions assumed.
Three different turbulence models were used namely the
k-ε realizable, the k-ε RNG and the Reynolds Stress
models in conjunction with non-equilibrium wall
functions. The predictions of mean velocity profiles of the
air flow inside the sharp 90° elbow duct were compared
against the experimental results obtained using Laser
Doppler Anemometry (LDA). Reasonable agreement was
obtained. Reynolds Stress Model was expected to perform
the best; however this was not confirmed from the results.

Keywordscomputational; sharp elbow; turbulent models; Fluent (software)
ANZSRC Field of Research 2020490302. Numerical analysis
401204. Computational methods in fluid flow, heat and mass transfer (incl. computational fluid dynamics)
401706. Numerical modelling and mechanical characterisation
Public Notes

© 2009 CSIRO Australia. This publication is copyright. It may be reproduced in whole or in part for the purposes of study, research, or review, but is subject to the inclusion of an acknowledgment of the source.

Byline AffiliationsDepartment of Mechanical and Mechatronic Engineering
Commonwealth Scientific and Industrial Research Organisation (CSIRO), Australia
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