The effect of rough rigid apron on scour downstream of sluice gates

M Aamir, Z Ahmad, M Pandey, MA Khan, A Aldrees… - Water, 2022 - mdpi.com
Presented in this paper is an experimental study on scour downstream of rough and smooth
stiff aprons under the influence of wall jets. The effect of various parameters on asymptotic …

Experimental study of the effect of the length-to-width ratio and skewness angles of the pier installed at the bend on scour pattern

D Dehghan, M Vaghefi, M Ghodsian - Journal of the Brazilian Society of …, 2021 - Springer
One of the causes of the destruction or damage of many bridges in the world is the local
scour around the bridge piers. Accordingly, research on effective factors on the scouring …

The Investigation of Local Scour around Bridge Piers with the Protection of a Quasi-Stumps Group

Y Zhang, J Wang, Q Zhou, Y Cai, W Tang - Water, 2023 - mdpi.com
In this study, a quasi-stumps group structure was proposed and placed upstream of the
bridge piers to mitigate the scour of the waterflow on the riverbed. Both experiment and …

Investigation of flow patterns around rectangular and oblong piers with collar located in a 180-degree sharp bend

A Keshavarz, M Vaghefi, G Ahmadi - Scientia Iranica, 2021 - scientiairanica.sharif.edu
Flow in river bends is associated with generation of secondary flows that leads to a rather
complicated flow pattern around bridge piers located in the bend. In this study, the flow …

A numerical study of the effect of a lateral intake's position and angle on scouring around a pier in a bend

F Niknezhad, A Mahmoudi… - International Journal of …, 2024 - Taylor & Francis
The present paper addresses the effect of placing an intake, as a diversion structure, in
different positions and with various angles in a 180° bend to investigate the scour depth …

Numerical simulation of flow pattern at a divergent pier in a bend with different relative curvature radii using ansys fluent

K Lahsaei, M Vaghefi, F Sedighi… - … originalnih istraživanja s …, 2022 - hrcak.srce.hr
Sažetak In this work, the three-dimensional flow around piers in river meanders under rigid
bed conditions was modeled. The software ANSYS FLUENT was used to perform the …

Numerical study of upstream submerged vanes affecting bed in a sharp bend with a bridge pier via SSIIM software

CA Chooplou, M Vaghefi - Innovative Infrastructure Solutions, 2023 - Springer
Various protective measures are employed to alter flow patterns and mitigate the intensity of
vortices and resulting scour around bridge piers. One such method involves the use of …

Investigation of the effects of the arrangement of triplex inclined-vertical group piers in a sharp bend on the characteristics of scour holes

L Eghbalnik, M Vaghefi, AM Behroozi - Iranian Journal of Science and …, 2023 - Springer
This study aims to investigate the bed change and scouring characteristics in a sharp 180-
degree bend due to the establishment of triple vertical-inclined piers with various …

Numerical study of bed topography variations owing to placement of triad series of vertical bridge piers installed in a 180-degree bend with different relative radii using …

M Vaghefi, S Moradi, C Abdi Chooplou - Iranian Journal of Science and …, 2021 - Springer
In this paper, the scouring around a triad series of vertical bridge piers located in a bend is
investigated using SSIIM software. To this end, some of the most essential parameters such …

A study of the effects of a lateral intake's positions on the flow pattern around a bridge pier in a 180° bend using SSIIM2

F Niknezhad, A Mahmoudi, M Vaghefi - Arabian Journal for Science and …, 2023 - Springer
This study explored the effects of different intake positions at 45° and 90° intake angles in a
180° mild bend upon the flow pattern around a circular bridge pier using the SSIIM2 …