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Flat plate boundary layer by-pass transition by joint action of surface roughness and external turbulence
- 1.0348574 - ÚT 2011 RIV IT eng A - Abstract
Hladík, Ondřej - Jonáš, Pavel - Mazur, Oton - Uruba, Václav
Flat plate boundary layer by-pass transition by joint action of surface roughness and external turbulence.
iTi 2010 Conference on Turbulence. Bertinoro: TU Darmstadt, 2010 - (Oberlack, M.). s. 84-84. ISBN N.
[iTi 2010 Conference in Turbulence. 19.09.2010-22.09.2010, Bertinoro]
R&D Projects: GA AV ČR(CZ) IAA200760614
Institutional research plan: CEZ:AV0Z20760514
Keywords : rough surface boundary layer * by-pass transition * external turbulence
Subject RIV: BK - Fluid Dynamics
In the paper flat plate boundary layer by-pass transition by joint action of surface roughness and external turbulence is investigated. The method of determination of the instantaneous values of wall friction from CTA anemometer by means of the time average skin friction coefficient evaluated from pressure measurement is suggested. The distribution of intermittency factor is evaluated from records of the instantaneous values of wall friction. Estimated onset and the end of the transitional region from intermittency factor is compared with estimation from the distribution of skin friction coefficient.
Permanent Link: http://hdl.handle.net/11104/0189082
Number of the records: 1