EPJ Web of Conferences
Volume 25, 2012EFM11 – Experimental Fluid Mechanics 2011
|Number of page(s)||8|
|Section||Experimental Fluid Mechanics 2011|
|Published online||16 April 2012|
Modelling of the effect of the foregoing wake on the bypass transition on the airfoil
Aeronautical Research and Test Institute, Plc, Beranových 130, 199 05 Praha – Letňany
2 Institute of Thermomechanics AS CR, v.v.i., Dolejškova 5, 182 00 Praha 8
email@example.com ; firstname.lastname@example.org
A modified algebraic model of the bypass transition was used for the simulation of the flow around the symmetrical airfoil NACA 0012 in the tandem configuration. The transition model is based on local variables only to enable its application for complex flow geometry using unstructured computational grids. The attention was especially focused on the flow near the leading edge where the boundary layer is not yet fully developed while used empirical correlations were established for the boundary-layer flow. The numerical simulation was compared with experiments of Lee and Kang  carried out for the Reynolds number Rec = (2÷6)×105, the zero angle of attack and various distance between both airfoils. The agreement of numerical simulation with experimental data is quite satisfactory.
© Owned by the authors, published by EDP Sciences, 2012
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