Engineering Mechanics

Proceedings Vol. 31 (2025)

ENGINEERING MECHANICS 2025

31st INTERNATIONAL CONFERENCE
May 12 – 14, 2025, Medlov, Czech Republic

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Editors: Cyril Fischer and Jiří Náprstek

ISBN 978-80-86246-96-3 (printed)
ISBN 978-80-86246-99-4 (electronic)
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)

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Application of Blockage Corrections to U-Beams With Porous Railings

Michálek P., Hračov S., Macháček M.
pages 125 - 128, full text

Different models of u-beams with porous flanges were tested in wind tunnel with the use of force and moment measurements. Due to high wind tunnel blockage ratio, the wind tunnel blockage corrections were applied to the measured forces and moments. The tested model beams were manufactured in two scales, i. e. large model and small model with half dimensions of the large model in order to test Reynolds number independence. Different blockage ratio calculation methods were used on the large and small U-beam model across various wind attack angles. The Maskell blockage correction method was applied to the experimental drag coefficient data.

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Ownership of copyright in original research articles remains with the Authors, and provided that, when reproducing parts of the contribution, the Authors acknowledge and/or reference the Proceedings, the Authors do not need to seek permission for re-use of their material.

All papers were reviewed by members of the scientific committee.

Engineering Mechanics

International Conference

Proceedings Vol. 31 (2025)

ENGINEERING MECHANICS 2025