Proceedings Vol. 12 (2006)
ENGINEERING MECHANICS 2006
May 15 – 18, 2006, Svratka, Czech Republic
Copyright © 2006 Institute of Theoretical and Applied Mechanics, Academy of Sciences of the Czech Republic, Prague
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)
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pages 126 - +9p., full text
The influence of surface mounted obstacles on free level of channel flow is discussed. The obstacles of square cross section are placed sequentially along a hydraulic flume and perpendicularly to the flow direction across the whole channel width. Three various spacing between the obstacles - 5H, 11H and 23H (H is height of the obstacle) were tested for different flow discharges. The surface levels were recorded and the results were compared with numerical simulations. Based on the experimental data and numerical simulations the resistance coefficients of the individual obstacles were determined.
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