Engineering Mechanics

International Conference

Proceedings Vol. 15 (2009)


May 11 – 14, 2009, Svratka, Czech Republic
Editors: Jiří Náprstek and Cyril Fischer

Copyright © 2009 Institute of Theoretical and Applied Mechanics, Academy of Sciences of the Czech Republic, v.v.i., Prague

ISBN 978-80-86246-35-2 (printed, Extended Abstracts)
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)

list of papers scientific commitee

Surface roughness and external flow turbulence joint effect on turbulent boundary layer
P. Jonáš, O. Mazur, V. Uruba
pages 585 - 599, full text

The individual and joint effects of surface roughness and external flow turbulence on turbulent boundary layer were experimentally investigated in the closed circuit wind tunnel IT AS CR. Fundamental mean flow characteristics were measured in turbulent boundary layers either on a smooth plate or on the plate covered with the sandpaper (80- grits) under turbulent flow with the intensity of almost isotropic fluctuations from the natural value, of about 0.003 up to 0.05 and with the relevant length parameter from 2.2 mm up to 30.5 mm .

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All papers were reviewed by members of the scientific committee.

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