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Flat Plate Boundary Layer Transition Affected by the External Turbulence and Surface Roughness
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SYSNO ASEP 0352480 Document Type A - Abstract R&D Document Type Není vybrán druh dokumentu Title Flat Plate Boundary Layer Transition Affected by the External Turbulence and Surface Roughness Author(s) Hladík, Ondřej (UT-L) RID
Jonáš, Pavel (UT-L) RID
Mazur, Oton (UT-L) RID
Uruba, Václav (UT-L) RID, ORCIDNumber of authors 4 Source Title 81st annual meeting of the international association of applied mathematics and mechanics. - Karlsruhe, 2010 - ISBN N
S. 9-9Number of pages 1 s. Publication form CD - CD Action GAMM annual meeting 2010 /81./ Event date 22.03.2010-26.03.2010 VEvent location Karlsruhe Country DE - Germany Event type WRD Language eng - English Country DE - Germany Keywords boundary layer transition ; external turbulence ; surface roughness 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 The joint action of the external ow turbulence (with intensities from 0.003 up to 0.05 and length scales from 0.002 m up to 0.031 m) and the surface roughness (caused by sandpaper with grids 60, 80 and 100 respectively) on the at plate boundary layer transition is investigated and compared with the by-pass transition on the smooth surface at identical boundary conditions. The existence of the laminar/transitional region and the action of external turbulence were proved regardless the surface roughness. 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 2011
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