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Hydrodynamic processes at the water-sediment interface of streambeds

Simultaneous 2D pressure and 2D velocity information at the rough water-sediment interface of streambeds were gained by a newly developed measurement setup. In the bed the pressure fluctuations decay exponentially within the first 1-2 equivalent sand roughnesses. Structural findings concerning coher...

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Bibliographic Details
Main Author: Detert, Martin (auth)
Format: Electronic Book Chapter
Published: KIT Scientific Publishing 2008
Series:Dissertationsreihe am Institut für Hydromechanik der Universität Karlsruhe / Universität Karlsruhe (TH), Institut für Hydromechanik
Subjects:
History of engineering & technology
open channel flow
pressure sensors
coherent structures
gravel bed
PIV
Online Access:DOAB: download the publication
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Summary:Simultaneous 2D pressure and 2D velocity information at the rough water-sediment interface of streambeds were gained by a newly developed measurement setup. In the bed the pressure fluctuations decay exponentially within the first 1-2 equivalent sand roughnesses. Structural findings concerning coherent flow structures are consistent with models originally developed for smooth walls. A significant bed destabilizing flow-pressure pattern was identified for the first time.
Physical Description:1 electronic resource (IV, 153 p. p.)
ISBN:KSP/1000008267
9783866442443
Access:Open Access

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