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Complex Effects of Free Stream Turbulence and Surface Roughness on the Transitional Intermittency
- 1.0389077 - ÚT 2013 RIV SK eng J - Journal Article
Hladík, Ondřej - Jonáš, Pavel - Mazur, Oton - Uruba, Václav
Complex Effects of Free Stream Turbulence and Surface Roughness on the Transitional Intermittency.
Komunikácie. Roč. 14, 4a (2012), s. 47-52. ISSN 1335-4205
R&D Projects: GA ČR GAP101/12/1271
Institutional research plan: CEZ:AV0Z20760514
Keywords : by-pass transition * rough wall boundary layer * CTA anemometry * instantaneous wall friction * intermittency analysis
Subject RIV: BK - Fluid Dynamics
The comparsion of transitional intermittency distributions in boundary layers on smooth and rough surface is presented. The conditional analysis of the instataneous wall friction is applied on time records made in transitional boundary layers originating on smooth surface or surface covered by sand paper. Special procedures of measurement and evaluation are applied that allowed evaluations of turbulent and non-turbulent zone averages.
Permanent Link: http://hdl.handle.net/11104/0218003
Number of the records: 1