Dynamic failures of water controlling radial gates of hydro-power plants: Advancements and future perspectives

C Xu, J Liu, C Zhao, F Liu, Z Wang - Engineering Failure Analysis, 2023 - Elsevier
Radial gate is the key factor to control water discharging in flood prevention and sustainable
hydropower energy generation. Unfortunately, fluid-induced vibration (FIV) problem always …

Expert system for determining discharge coefficients for inclined slide gates using genetic programming

F Salmasi, J Abraham - Journal of Irrigation and Drainage …, 2020 - ascelibrary.org
Slide gates are commonly used to adjust flow in open canals. The discharge coefficient (C d)
for a slide gate is a function of the gate's geometric and hydraulic characteristics. For free …

Numerical assessment of the performance of bed water jets in submerged hydraulic jumps

E Helal, FS Abdelhaleem… - Journal of Irrigation and …, 2020 - ascelibrary.org
Submerged hydraulic jumps commonly occur downstream of irrigation structures.
Submerged hydraulic jumps dissipate energy to some extent, and bed water jets can be …

Mean flow velocity in the Nile River, Egypt: an overview of empirical equations and modification for low-flow regimes

FS Abdelhaleem, AM Amin, EY Helal - Hydrological Sciences …, 2021 - Taylor & Francis
This study presents a formula for estimating the mean flow velocity of the Nile River, Egypt.
The proposed formula is presented in the form of the commonly used Manning equation …

The effects of different shaped baffle blocks on the energy dissipation

NJH Al-Mansori, TJM Alfatlawi… - Civil Engineering …, 2020 - researchonline.ljmu.ac.uk
Stilling basins can be defined as energy dissipaters constructed of the irrigation systems.
This study aims at investigating the performance of the new seven baffle blocks design in …

Hydraulic characteristics of a sluice gate over a broad-crested weir

A Seyedzadeh, M Yasi, J Farhoudi - Flow Measurement and …, 2023 - Elsevier
Vertical sluice gates are commonly used to control and measure flow in irrigation and
drainage networks. To reduce their size and associated maintenance and operation costs …

Laboratory study of the effect of sills on radial gate discharge coefficient

F Salmasi, M Nouri, J Abraham - KSCE Journal of Civil Engineering, 2019 - Springer
In the present study, the effect of a sill on the discharge coefficient (CD) of radial gates in a
free flow condition has been investigated. Different sill shapes were used including a circle …

Scour downstream of submerged parallel radial gates

AM Lotfy, ME Basiouny, FS Abdelhaleem… - Water and Energy …, 2020 - indianjournals.com
Scour downstream of hydraulic structures is an inevitable problem that endanger the stability
of such structures. Different studies predicted the local scour properties, but always the …

Flow through a sluice gate over a broad crested weir under free-and submerged-flow conditions

A Seyedzadeh, M Yasi, J Farhoudi… - ISH Journal of …, 2023 - Taylor & Francis
This paper describes the hydraulic characteristics of flow through a sluice gate over a broad-
crested weir with a fixed upstream ramp slope of 1: 2 and downstream ramp slopes of 1: 2, 1 …

Experimental and numerical investigation of scour downstream contracted spillways

TH Nasralla - Journal of Water and Land Development, 2022 - journals.pan.pl
A study of scour downstream of free hydraulic jump in stilling basin of stepped spillways was
carried out. This paper employed an experimental study to investigate the stepped spillway …