Flow in a branching open channel: a review

Branching channel flow refers to any side water withdrawals from rivers or main channels. Branching channels have wide application in many practical projects, such as irrigation and drainage network systems, water and waste water treatment plants, and many water resources projects. In the last decad...

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Main Authors: Alomari, Nashwan K., Yusuf, Badronnisa, Mohammed Ali, Thamer Ahmed, Ghazali, Abdul Halim
Format: Article
Language:English
Published: Universiti Putra Malaysia Press 2016
Online Access:http://psasir.upm.edu.my/id/eprint/34923/1/Flow%20in%20a%20branching%20open%20channel%20a%20review.pdf
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author Alomari, Nashwan K.
Yusuf, Badronnisa
Mohammed Ali, Thamer Ahmed
Ghazali, Abdul Halim
author_facet Alomari, Nashwan K.
Yusuf, Badronnisa
Mohammed Ali, Thamer Ahmed
Ghazali, Abdul Halim
author_sort Alomari, Nashwan K.
collection UPM
description Branching channel flow refers to any side water withdrawals from rivers or main channels. Branching channels have wide application in many practical projects, such as irrigation and drainage network systems, water and waste water treatment plants, and many water resources projects. In the last decades, extensive theoretical and experimental investigations of the branching open channels have been carried out to understand the characteristics of this branching flow, varying from case studies to theoretical and experimental investigations. The objectives of this paper are to review and summarise the relevant literatures regarding branching channel flow. These literatures were reviewed based on flow characteristics, physical characteristics, and modeling of the branching flow. Investigations of the flow into branching channel show that the branching discharge depends on many interlinked parameters. It increases with the decreasing of the main channel flow velocity and Froude number at the upstream of the branch channel junction. Also it increases with the increasing of the branch channel bed slope. In subcritical flow, water depth in the branch channel is always lower than the main channel water depth. The flow diversion to the branch channel leads to an increase of water depth at the downstream of the main channel. From the review, it is important to highlight that most of the study concentrated on flow characteristics in a right angle branch channel with a rigid boundary. Investigations on different branching angles with movable bed have still to be explored.
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spelling upm.eprints-349232016-10-11T02:04:19Z http://psasir.upm.edu.my/id/eprint/34923/ Flow in a branching open channel: a review Alomari, Nashwan K. Yusuf, Badronnisa Mohammed Ali, Thamer Ahmed Ghazali, Abdul Halim Branching channel flow refers to any side water withdrawals from rivers or main channels. Branching channels have wide application in many practical projects, such as irrigation and drainage network systems, water and waste water treatment plants, and many water resources projects. In the last decades, extensive theoretical and experimental investigations of the branching open channels have been carried out to understand the characteristics of this branching flow, varying from case studies to theoretical and experimental investigations. The objectives of this paper are to review and summarise the relevant literatures regarding branching channel flow. These literatures were reviewed based on flow characteristics, physical characteristics, and modeling of the branching flow. Investigations of the flow into branching channel show that the branching discharge depends on many interlinked parameters. It increases with the decreasing of the main channel flow velocity and Froude number at the upstream of the branch channel junction. Also it increases with the increasing of the branch channel bed slope. In subcritical flow, water depth in the branch channel is always lower than the main channel water depth. The flow diversion to the branch channel leads to an increase of water depth at the downstream of the main channel. From the review, it is important to highlight that most of the study concentrated on flow characteristics in a right angle branch channel with a rigid boundary. Investigations on different branching angles with movable bed have still to be explored. Universiti Putra Malaysia Press 2016 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/34923/1/Flow%20in%20a%20branching%20open%20channel%20a%20review.pdf Alomari, Nashwan K. and Yusuf, Badronnisa and Mohammed Ali, Thamer Ahmed and Ghazali, Abdul Halim (2016) Flow in a branching open channel: a review. Pertanika Journal of Scholarly Research Reviews, 2 (2). pp. 40-56. ISSN 2462-2028 http://pjsrr.upm.edu.my/volume/vol-22-2016-2/
spellingShingle Alomari, Nashwan K.
Yusuf, Badronnisa
Mohammed Ali, Thamer Ahmed
Ghazali, Abdul Halim
Flow in a branching open channel: a review
title Flow in a branching open channel: a review
title_full Flow in a branching open channel: a review
title_fullStr Flow in a branching open channel: a review
title_full_unstemmed Flow in a branching open channel: a review
title_short Flow in a branching open channel: a review
title_sort flow in a branching open channel a review
url http://psasir.upm.edu.my/id/eprint/34923/1/Flow%20in%20a%20branching%20open%20channel%20a%20review.pdf
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