Engineering Mechanics

International Conference

Proceedings Vol. 9 (2003)


May 11 – 15, 2003, Svratka, Czech Republic
Editors: Jiří Náprstek and Cyril Fischer

Copyright © 2003 Institute of Theoretical and Applied Mechanics, Academy of Sciences of the Czech Republic, v.v.i., Prague

ISBN 80-86246-18-3 (printed, Extended Abstracts)
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)

list of papers scientific commitee

Conditional analysis of the wall friction histograms in transitional boundary layers
Jonáš P., Mazur O., Uruba V.
pages 148 - +8p., full text

The conditional analysis of the skin-friction was applied on time records made in transitional boundary layers originating under boundary conditions prescribed for the ERCOFTAC Test Case T3A+. Histograms evaluated from the whole records as well as those evaluated from the segments belonging to phases of flow with a non-turbulent or with a turbulent structure are analysed. It is shown that the development and features of a conditionally evaluated histogram depend on the flow structure remarkably. Some universal properties of histograms during laminar/ turbulent boundary layer transition are indicated.

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All papers were reviewed by members of the scientific committee.

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