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

The measurement of flow parameters in square cross section bend
Zubík P., Šulc J.
pages 410 - +10p., full text

The article deals with measurement of flow parameters in defined 90° bend profiles of square constant cross section and it´s linking upstream and downstream straight axis sections. For the measurement of mean and pulsation velocity components the contact-less measuring technique was used, such as Laser Doppler Anemometry (LDA) and Particle Image Velocimetry (PIV). Complementary the values of pressure in selected piezometric points on the canal walls were measured. The measurement was carried out in seven different flow regimes. The results of this detailed measurement in selected relatively simple element are used for subsequent calibration and verification of mathematical models with appropriate type of turbulence.

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