Proceedings Vol. 14 (2008)
ENGINEERING MECHANICS 2008
May 12 – 15, 2008, Svratka, Czech Republic
Copyright © 2008 Institute of Thermomechanics, Academy of Sciences of the Czech Republic, v.v.i., Prague
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)
list of papers scientific commitee
pages 114 - +13p., full text
The effects of the roughness elements distributed over a wall (WR) and of the free stream turbulence (FST) on laminar turbulent boundary layer transition are known long ago. In general they both accelerate the transition process under otherwise equal conditions and thus affect the boundary layer development into turbulent boundary layer. Experimental investigations of the effects in question are beneficial even if they are individually acting. So far the authors are not aware of the investigation of the joint action of the mentioned inﬂuences even though they may be important in many engineering devices.
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