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Enhancing the flow characteristics in a branching channel based on a two-dimensional depth-averaged flow model

Natural rivers have many branching junctions. The flow in branching junctions is complex, owing to significant changes associated with flow dynamics and sediment transport that result in erosion and deposition problems. A branching channel of the Tigris River in Missan, Iraq, was selected for invest...

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Main Authors: Ali, Hydar Lafta, Yusuf, Badronnisa, Mohammed, Thamer Ahmed, Shimizu, Yasuyuki, Ab Razak, Mohd Shahrizal, Mohamed Rehan, Balqis
Format: Article
Language:English
Published: MDPI 2019
Online Access:http://psasir.upm.edu.my/id/eprint/38264/1/38264.pdf
http://psasir.upm.edu.my/id/eprint/38264/
https://www.mdpi.com/2073-4441/11/9/1863
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spelling my.upm.eprints.382642020-05-04T16:09:29Z http://psasir.upm.edu.my/id/eprint/38264/ Enhancing the flow characteristics in a branching channel based on a two-dimensional depth-averaged flow model Ali, Hydar Lafta Yusuf, Badronnisa Mohammed, Thamer Ahmed Shimizu, Yasuyuki Ab Razak, Mohd Shahrizal Mohamed Rehan, Balqis Natural rivers have many branching junctions. The flow in branching junctions is complex, owing to significant changes associated with flow dynamics and sediment transport that result in erosion and deposition problems. A branching channel of the Tigris River in Missan, Iraq, was selected for investigation of the scouring and deposition zones. A two-dimensional (2D) numerical model was used to simulate the hydro-morphodynamics in the branching channel, where hypothetical vanes as control structures were included at the junction to control the scouring and deposition zones. The simulation results suggest the most effective location, dimension, and angle of the introduced vanes. For the studied junction, controlling morphological features was achieved by introducing a single vane with an inclination angle of 90° on the flow direction of the Tigris River. The most effective location of the introduced vane was the location that caused considerable enhancement in the flow depth and velocity distribution. MDPI 2019 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/38264/1/38264.pdf Ali, Hydar Lafta and Yusuf, Badronnisa and Mohammed, Thamer Ahmed and Shimizu, Yasuyuki and Ab Razak, Mohd Shahrizal and Mohamed Rehan, Balqis (2019) Enhancing the flow characteristics in a branching channel based on a two-dimensional depth-averaged flow model. Water, 11 (9). art. no. 1863. pp. 1-25. ISSN 2073-4441 https://www.mdpi.com/2073-4441/11/9/1863 10.3390/w11091863
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
description Natural rivers have many branching junctions. The flow in branching junctions is complex, owing to significant changes associated with flow dynamics and sediment transport that result in erosion and deposition problems. A branching channel of the Tigris River in Missan, Iraq, was selected for investigation of the scouring and deposition zones. A two-dimensional (2D) numerical model was used to simulate the hydro-morphodynamics in the branching channel, where hypothetical vanes as control structures were included at the junction to control the scouring and deposition zones. The simulation results suggest the most effective location, dimension, and angle of the introduced vanes. For the studied junction, controlling morphological features was achieved by introducing a single vane with an inclination angle of 90° on the flow direction of the Tigris River. The most effective location of the introduced vane was the location that caused considerable enhancement in the flow depth and velocity distribution.
format Article
author Ali, Hydar Lafta
Yusuf, Badronnisa
Mohammed, Thamer Ahmed
Shimizu, Yasuyuki
Ab Razak, Mohd Shahrizal
Mohamed Rehan, Balqis
spellingShingle Ali, Hydar Lafta
Yusuf, Badronnisa
Mohammed, Thamer Ahmed
Shimizu, Yasuyuki
Ab Razak, Mohd Shahrizal
Mohamed Rehan, Balqis
Enhancing the flow characteristics in a branching channel based on a two-dimensional depth-averaged flow model
author_facet Ali, Hydar Lafta
Yusuf, Badronnisa
Mohammed, Thamer Ahmed
Shimizu, Yasuyuki
Ab Razak, Mohd Shahrizal
Mohamed Rehan, Balqis
author_sort Ali, Hydar Lafta
title Enhancing the flow characteristics in a branching channel based on a two-dimensional depth-averaged flow model
title_short Enhancing the flow characteristics in a branching channel based on a two-dimensional depth-averaged flow model
title_full Enhancing the flow characteristics in a branching channel based on a two-dimensional depth-averaged flow model
title_fullStr Enhancing the flow characteristics in a branching channel based on a two-dimensional depth-averaged flow model
title_full_unstemmed Enhancing the flow characteristics in a branching channel based on a two-dimensional depth-averaged flow model
title_sort enhancing the flow characteristics in a branching channel based on a two-dimensional depth-averaged flow model
publisher MDPI
publishDate 2019
url http://psasir.upm.edu.my/id/eprint/38264/1/38264.pdf
http://psasir.upm.edu.my/id/eprint/38264/
https://www.mdpi.com/2073-4441/11/9/1863
_version_ 1665895969529528320
score 13.211869

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