Reduction of time-dependent scour around piers using collars

M Pandey, HM Azamathulla, S Chaudhuri, JH Pu… - Ocean …, 2020 - Elsevier
In the present study, the effect of collar on temporal scour depth variation at the base of a
collar-protected circular pier was investigated. Experimental results revealed that a collar …

Reduction of scour around circular piers using collars

M Pandey, JH Pu, H Pourshahbaz… - Journal of Flood Risk …, 2022 - Wiley Online Library
River dynamics and sediment transport play an important role in river bed morphology.
Building a bridge pier along the river alters the cross‐section of the river and causes the …

Energy dissipation and hydraulics of flow over trapezoidal–triangular labyrinth weirs

A Ghaderi, R Daneshfaraz, M Dasineh, S Di Francesco - Water, 2020 - mdpi.com
In this work experimental and numerical investigations were carried out to study the
influence of the geometric parameters of trapezoidal–triangular labyrinth weirs (TTLW) on …

Morphology and hydrodynamics numerical simulation around groynes

H Pourshahbaz, S Abbasi, M Pandey… - ISH Journal of …, 2022 - Taylor & Francis
ABSTRACT Computational Fluid Dynamics (CFD) represents a useful tool to study natural
currents in the rivers and estuaries with erosive materials; therefore, it is always in the keen …

Numerical simulation of local scour around the pier with and without airfoil collar (AFC) using FLOW-3D

LK Gupta, M Pandey, P Anand Raj - Environmental Fluid Mechanics, 2023 - Springer
This paper studies the pier with Air-Foil Collar (AFC) and its effect on local scour. Simulation
is carried out with two collars having diameters of 2 b and 3 b, where b is pier diameter …

Efficiency of trapezoidal labyrinth shaped stepped spillways

A Ghaderi, S Abbasi, J Abraham… - Flow measurement and …, 2020 - Elsevier
A spillway with Trapezoidal Labyrinth Shaped steps (TLS) is proposed and investigated
numerically. The results show that this spillway has better performance as it increases the …

Numerical modeling of scour and erosion processes around spur dike

LK Gupta, M Pandey, PA Raj - CLEAN–Soil, Air, Water, 2023 - Wiley Online Library
Spur dikes are popular river training structures used for flow diversion, flood control, bank
protection, and improving navigation. This paper aims to study the numerical modeling of …

Prediction of hydraulic jumps on a triangular bed roughness using numerical modeling and soft computing methods

M Dasineh, A Ghaderi, M Bagherzadeh, M Ahmadi… - Mathematics, 2021 - mdpi.com
This study investigates the characteristics of free and submerged hydraulic jumps on the
triangular bed roughness in various T/I ratios (ie, height and distance of roughness) using …

Characteristics of free and submerged hydraulic jumps over different macroroughnesses

A Ghaderi, M Dasineh, F Aristodemo… - Journal of …, 2020 - iwaponline.com
The present study deals with numerical simulations of the free and submerged hydraulic
jumps over different shapes of roughness in various roughness arrangements and different …

Numerical analysis of the hydraulic characteristics of modified labyrinth weirs

A Ghaderi, R Daneshfaraz, S Abbasi… - International Journal of …, 2020 - Springer
Labyrinth weirs increase the discharge rate by increasing the effective length of the weir
within a confined width. In this paper, an attempt was made to improve the hydraulic …