EPJ Web of Conferences
Volume 114, 2016EFM15 – Experimental Fluid Mechanics 2015
|Number of page(s)||6|
|Published online||28 March 2016|
Extension of the algebraic transition model for the wall roughness effect
1 Aerospace Research and Test Establishment, Plc, Prague, Czech Republic
2 Institute of Thermomechanics AS CR, v.v.i., Prague, Czech Republic
a Corresponding author: email@example.com
Published online: 28 March 2016
The contribution deals with the simulation of the laminar/turbulent transition taking into account the effect of wall roughness. The correlation for the transition onset proposed by Straka and Příhoda  was modified for the effect of the wall roughness using the correlation according to Boyle and Stripf . This correlation derived for the wall roughness formed by regularly distributed truncated cones was modified for flows over the distributed wall roughness. The algebraic transition model proposed by Straka and Příhoda  with the modified relation for the transition onset was verified by means of the incompressible flat-plate boundary-layer and the compressible flow through the turbine blade cascade with rough blades.
© Owned by the authors, published by EDP Sciences, 2016
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