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A Study of Large-Scale Horizontal Turbulence in Alluvial Streams, with a View Towards Its Morphological Consequences Read chapter Read first chapter

2018 | OriginalPaper | Chapter

The Impact of Deflectors on Sediment Transport Processes on the Basis of Modelling and Simulations

Authors : Ewelina Szałkiewicz, Tomasz Dysarz, Tomasz Kałuża, Albert Malinger, Artur Radecki-Pawlik

Published in: Free Surface Flows and Transport Processes

Publisher: Springer International Publishing

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Abstract

The presented research analyses the impact of deflectors on sediment transport processes. The basis for analysis is a hydrodynamic model of downstream part of the Flinta river. The geometry reproduction was performed using spatial data: digital elevation model (DEM) and cross-sections of considered reach. The computations were calculated in HEC-RAS 5.0.1, a common software used to calculate water surface profiles and sediment transport. In the research, two calculation variants were analysed: (1) with initial geometry of channel, and (2) with geometry after introducing deflectors. In order to take into account uncertainty, five scenarios of 10-year flow hydrographs were tested. To calculate the intensity of sediment transport, the Engelund-Hansen formula was used. The results suggest a possible initiation of local scours near the structures.

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previous chapter Numerical Modeling of Flow Dynamics on a Gravel Bar During High Discharge in a Mountain River
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Metadata
Title
The Impact of Deflectors on Sediment Transport Processes on the Basis of Modelling and Simulations
Authors
Ewelina Szałkiewicz
Tomasz Dysarz
Tomasz Kałuża
Albert Malinger
Artur Radecki-Pawlik
Copyright Year
2018
Book
Free Surface Flows and Transport Processes

Print ISBN: 978-3-319-70913-0

Electronic ISBN: 978-3-319-70914-7

Copyright Year: 2018

DOI
https://doi.org/10.1007/978-3-319-70914-7_31