Turbulence near a sandbar island in the lower Missouri River

G Li, CM Elliott, BC Call, BJ Sansom… - River Research and …, 2023 - Wiley Online Library
River turbulence is spatially variable due to interactions between morphology of rivers and
physical mechanics of flowing water. Understanding the variation of turbulence in rivers is …

Generation and characterization of fully developed state in open channel flow

S Das, R Balachandar, RM Barron - Journal of Fluid Mechanics, 2022 - cambridge.org
A fully developed approach flow is necessary in open channel studies to maintain
commonality among datasets obtained from different facilities. Two-component planar …

A computational study of 3D flow structure in two consecutive bends subject to the influence of tributary inflow in the middle Yangtze River

G Lu, J Liu, Z Cao, Y Li, X Lei, Y Li - Engineering Applications of …, 2023 - Taylor & Francis
Enhanced understanding of turbulent flow structure in bends in natural rivers is essential for
waterway regulation, navigation safety and environmental and ecological wellbeing …

Flow dynamics and bed morphology in a narrow channels: A comparative study of experimental and numerical approaches to velocity distribution

P Kumar, V Deepak, A Sharma - Geomorphology, 2025 - Elsevier
The effects of narrow channels on flow structure and hydrodynamics have been widely
studied. However, due to the complexity of flow dynamics in narrow channels, three …

On the wake dynamics of wall-mounted helical straked cylinders

A Thakurta, R Balachandar - Physics of Fluids, 2025 - pubs.aip.org
The wake dynamics of wall-mounted circular cylinders with helical strakes are investigated
using particle image velocimetry under shallow flow conditions. The helical strakes attached …

Effect of free surface perturbation on fully developed smooth open channel flow

S Das, R Balachandar, RM Barron - Journal of Hydraulic Research, 2022 - Taylor & Francis
Light floater boards are commonly used in open channel flow studies to reduce free surface
disturbances. However, the shear layer generated from the surface of the floaters, which has …

Analytical and experimental study of velocity distribution in adverse-slope channel flow

Y **ao, K Yuan, T Zhang, J Zhou - Journal of Hydraulic Research, 2023 - Taylor & Francis
The prediction of the velocity distribution in adverse-slope flow is improved by analytical and
experimental study of the wake and dip effects, based on the log-wake-dip velocity law. This …

Turbulent flow characteristics responsible for current-induced scour around a complex pier

P Gautam, TI Eldho, BS Mazumder… - Canadian Journal of …, 2022 - cdnsciencepub.com
This study investigates the turbulent flow characteristics around a complex pier (CP) with an
elliptical pile-cap to understand the mechanics of the flow responsible for current-induced …

Numerical analysis of sedimentation in open channels using computational fluid dynamics

YS Putra, E Noviani, H Hasanuddin, E Kurnia… - Journal of Ocean …, 2024 - isomase.org
This study investigates sedimentation in open channels utilizing Computational Fluid
Dynamics (CFD). The validation indicates a strong agreement between the simulation and …

Effects of aspect ratio on higher-order moments, conditional statistics, TKE budget and anisotropy in narrow open channel flow

M Mahananda, PR Hanmaiahgari… - Canadian Journal of …, 2021 - cdnsciencepub.com
The purpose of the present study is to investigate the influence of aspect ratio on the higher-
order statistics of velocity fluctuations, conditional statistics, turbulent kinetic energy (TKE) …