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On Hairpin Vortices in a Transitional Boundary Layer
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SYSNO ASEP 0369552 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title On Hairpin Vortices in a Transitional Boundary Layer Author(s) Hladík, Ondřej (UT-L) RID
Jonáš, Pavel (UT-L) RID
Uruba, Václav (UT-L) RID, ORCIDNumber of authors 3 Source Title Proceedings of the International Conference Experimental Fluid Mechanics 2011. - Liberec : Technical University of Liberec, 2011 / Vít T. ; Dančová P. ; Novotný P. - ISBN 978-80-7372-784-0 Pages s. 163-170 Number of pages 8 s. Publication form CD - CD Action Experimental Fluid Mechanics 2011 Event date 22.11.2011-25.11.2011 VEvent location Jičín Country CZ - Czech Republic Event type WRD Language eng - English Country CZ - Czech Republic Keywords turbulence transition ; boundary layer ; hairpin vortex Subject RIV BK - Fluid Dynamics R&D Projects GA101/08/1112 GA ČR - Czech Science Foundation (CSF) GAP101/10/1230 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z20760514 - UT-L (2005-2011) Annotation In the presented paper the results of experiments on transitional boundary layer are presented. The boundary layer was generated on smooth flat wall with zero pressure gradient forming one side of the channel of rectangular cross section. The hairpin vortices, packets of hairpin vortices, turbulent spots and calmed regions were experimentally investigated using time-resolved PIV technique. Workplace Institute of Thermomechanics Contact Marie Kajprová, kajprova@it.cas.cz, Tel.: 266 053 154 ; Jana Lahovská, jaja@it.cas.cz, Tel.: 266 053 823 Year of Publishing 2012
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