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Resources 2019, 8(1), 9; https://doi.org/10.3390/resources8010009

Improving the Hydro-Morpho Dynamics of A River Confluence by Using Vanes

1
Department of Civil Engineering, Faculty of Engineering, Universiti Putra Malaysia, UPM Serdang 43400, Selangor, Malaysia
2
Centre for the Restoration of the Iraq Marshlands and Wetlands (CRIMW), Ministry of Water Resources, Baghdad 10065, Iraq
3
Water Resources Engineering, Faculty of Engineering, University of Baghdad, Baghdad 10071, Iraq
4
Hydraulic Research Laboratory, Hokkaido University, Sapporo 060-0817, Japan
*
Author to whom correspondence should be addressed.
Received: 2 November 2018 / Revised: 12 December 2018 / Accepted: 24 December 2018 / Published: 1 January 2019
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Abstract

Controlling the flow and bed morphology in a river confluence is important in training and navigation works. The flow in river confluence is highly complex due to crucial and rapid changes associated with flow dynamics, sediment transport, and geomorphology. The flow in Malaysia’s rivers has many confluence junctions in natural drains of catchment areas. The confluence between Kurau and Ara Rivers, in Perak, Malaysia, is selected to investigate the scour hole that usually forms in the erosion zone and the bar that forms in the deposition zone. A 2D numerical model is used in simulating hydro-morpho dynamics in the rivers confluence to mitigate the erosion and deposition zones by adopting vanes as control structures. Simulation results suggest that the most effective location, dimension, and angle of vanes can be decided based on their performance in scouring and deposition zones. The distribution velocity and flow vectors can help in deciding the location of the vanes. View Full-Text
Keywords: river confluence; erosion; deposition; investigation; vanes; simulation river confluence; erosion; deposition; investigation; vanes; simulation
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Ali, H.L.; Yusuf, B.; Mohammed, T.A.; Shimizu, Y.; Ab Razak, M.S.; Rehan, B.M. Improving the Hydro-Morpho Dynamics of A River Confluence by Using Vanes. Resources 2019, 8, 9.

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