Hydrodynamic and morphological adaptation of two consecutive sharp bends of the Middle Yangtze River to upstream damming

X Liu, J Xia, S Deng, M Zhou, B Mao… - Water Resources …, 2024 - Wiley Online Library
It remains an open question how the hydrodynamics and morphology in sharp meander
bends adapt to the changes in flow and sediment conditions induced by upstream damming …

Effect of repositioned submerged vanes on local scour variations around a pier in a bend: experimental investigation

CA Chooplou, M Vaghefi, M Akbari - International Journal of …, 2023 - Springer
Bridge pier local scouring has forever been under consideration as an unwelcome
phenomenon that threatens the safety of bridges. Hence, an investigation into methods of …

Experimental investigation of three-dimensional flow dynamics in a laboratory-scale meandering channel under subcritical flow condition

B Pradhan, S Pradhan, KK Khatua - Ocean Engineering, 2024 - Elsevier
This study investigates the three-dimensional turbulence flow properties in a meandering
channel under subcritical flow conditions, specifically focusing on a few critical parameters …

Vessel navigation risk and stern-swing index in sharp bend channels

T Yan, D Qian, Y Shu, Y Yang, R Xu - Ocean Engineering, 2021 - Elsevier
Owing to the drastic change in flow conditions and river boundary of sharp bend channels,
marine accidents occur frequently. A typical sharp bend channel was selected, whose flow …

A comparison of artificial intelligence-based classification techniques in predicting flow variables in sharp curved channels

A Gholami, H Bonakdari, AH Zaji, AA Akhtari - Engineering with Computers, 2020 - Springer
Due to the complexity of variable distributions, it is essential to evaluate the flow patterns in
sharp curved channels with different angles. It has recently become more common to use …

Variation of velocity distribution in rough meandering channels

A Pradhan, K Kumar Khatua… - Advances in Civil …, 2018 - Wiley Online Library
Distribution of flow and velocity in a meandering river is important in river hydraulics to be
investigated from a practical point of view in relation to the bank protection, navigation, water …

Experimental and numerical comparison of flow and scour patterns around a single and triple bridge piers located at a 180-degree sharp bend

M Asadollahi, M Vaghefi… - Scientia …, 2021 - scientiairanica.sharif.edu
Placement of bridge piers along rivers creates a complex 3D flow pattern which disrupts
normal river flow and the resulted turbulence erodes alluvial sediments around the pier. In …

The effect of upstream T-shaped spur dike on reducing the amount of scouring around downstream bridge pier located at a 180 sharp bend

M Vaghefi, S Solati… - International Journal of …, 2021 - Taylor & Francis
With the advancement in the science of engineering, bridge piers scouring has become a
well-known phenomenon, and engineers have always been making efforts to counter such a …

Experimental investigation of flow pattern at 180° bend with rigid bed in effect of twin convergent bridge piers

F Sedighi, M Vaghefi, E Zarei - Journal of Engineering and Applied …, 2022 - Springer
The generation of vortices in sharp bends of rivers is a well-known phenomenon. However,
their influence on the bridge pier has not been investigated deeply. This study studies the …

Application of artificial neural networks to predict flow velocity in a 180 sharp bend with and without a spur dike

M Vaghefi, K Mahmoodi, S Setayeshi, M Akbari - Soft Computing, 2020 - Springer
This work has compared the performance of three well-known artificial neural network (ANN)
approaches in turbulent flow pattern modeling based on geometric characteristics of the …