Evaluation of Two-Phase Turbulence Closure Models Modifications in Near Wall Region of Boundary Layer

Gharraei, R., Esmaeilzadeh, E. and Baheri, S. (2007). Evaluation of Two-Phase Turbulence Closure Models Modifications in Near Wall Region of Boundary Layer. In: Peter Jacobs, Tim McIntyre, Matthew Cleary, David Buttsworth, David Mee, Rose Clements, Richard Morgan and Charles Lemckert, 16th Australasian Fluid Mechanics Conference (AFMC). 16th Australasian Fluid Mechanics Conference (AFMC), Gold Coast, Queensland, Australia, (1033-1037). 3-7 December, 2007.

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Author Gharraei, R.
Esmaeilzadeh, E.
Baheri, S.
Title of paper Evaluation of Two-Phase Turbulence Closure Models Modifications in Near Wall Region of Boundary Layer
Conference name 16th Australasian Fluid Mechanics Conference (AFMC)
Conference location Gold Coast, Queensland, Australia
Conference dates 3-7 December, 2007
Proceedings title 16th Australasian Fluid Mechanics Conference (AFMC)
Place of Publication Brisbane, Australia
Publisher School of Engineering, The University of Queensland
Publication Year 2007
Year available 2007
Sub-type Fully published paper
ISBN 978-1-864998-94-8
Editor Peter Jacobs
Tim McIntyre
Matthew Cleary
David Buttsworth
David Mee
Rose Clements
Richard Morgan
Charles Lemckert
Start page 1033
End page 1037
Total pages 5
Collection year 2007
Language eng
Abstract/Summary Previous study of authors showed that kappa-taf turbulence model has a good accuracy for prediction of hydrodynamic behaviour of near wall turbulence in a gas-solid boundary layer flow. In that study two-phase kappa-taf model was derived from Yokomine et al. modified kappa-epsilon model. In the present study, a new version of two phase kappa-taf turbulence model has been presented. In this model we use Adeniji et.al. modifications to account for the effect of solid particles both on the turbulence kinetic energy and it's dissipation rate. The new modified kappa-taf has been compared with the later version of kappa-taf for prediction of flow behaviour in near wall region of two-phase boundary layer. The governing equations for two-phase boundary layer flow with Eulerin-Eulerian approach by two different modified kappa-taf turbulence models have been solved numerically using finite volume method. In comparison with available experimental data, the obtained results by modified kappa-taf, based on Yokomine et al. modifications, have better agreement than modified kappa-taf based on Adeniji et al. model.
Subjects 240502 Fluid Physics
Keyword turbulence models
boundary layer flow
hydrodynamic behaviour
Q-Index Code E1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Conference Paper
Collection: 16th Australasian Fluid Mechanics Conference
 
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Created: Mon, 24 Dec 2007, 10:22:06 EST by Belinda Weaver on behalf of School of Engineering