Secondary flows in rivers: Theoretical framework, recent advances, and current challenges

V Nikora, AG Roy - Gravel‐Bed Rivers: Processes, Tools …, 2012 - Wiley Online Library
Although the great significance of secondary flows for river processes has long been
recognised, their origin, mechanics, effects, and interrelations with the primary mean flow …

Prandtl's secondary flows of the second kind. Problems of description, prediction, and simulation

NV Nikitin, NV Popelenskaya, A Stroh - Fluid Dynamics, 2021 - Springer
The occurrence of turbulent pulsations in straight pipes of noncircular cross-section leads to
the situation, when the average velocity field includes not only the longitudinal component …

Computational ship hydrodynamics: Nowadays and way forward

F Stern, J Yang, Z Wang… - International …, 2013 - content.iospress.com
Computational fluid dynamics for ship hydrodynamics has made monumental progress over
the last ten years, which is reaching the milestone of providing first-generation simulation …

[HTML][HTML] Reynolds stress modeling of supercritical narrow channel flows using OpenFOAM: Secondary currents and turbulent flow characteristics

S Kadia, N Rüther, I Albayrak, E Pummer - Physics of Fluids, 2022 - pubs.aip.org
In this study, the full Launder, Reece and Rodi pressure-strain model, and nonlinear
boundary damping functions were incorporated in OpenFOAM® to simulate the turbulence …

Analysis of the role of turbulence in curved open-channel flow at different water depths by means of experiments, LES and RANS

W Van Balen, K Blanckaert… - Journal of Turbulence, 2010 - Taylor & Francis
In order to unravel the main flow and secondary flow characteristics and the role of
turbulence in a curved single-bend open-channel flow, large-eddy simulations (LES) and …

Large-eddy simulation of a mildly curved open-channel flow

W Van Balen, WSJ Uijttewaal… - Journal of Fluid …, 2009 - cambridge.org
After validation with experimental data, large-eddy simulation (LES) is used to study in detail
the open-channel flow through a curved flume. Based on the LES results, the present paper …

Effect of secondary currents on the flow and turbulence in partially filled pipes

Y Liu, T Stoesser, H Fang - Journal of Fluid Mechanics, 2022 - cambridge.org
Large-eddy simulations of turbulent flow in partially filled pipes are conducted to investigate
the effect of secondary currents on the friction factor, first-and second-order statistics and …

[HTML][HTML] The effect of cross-sectional geometry on the high-speed narrow open channel flows: An updated Reynolds stress model study

S Kadia, L Lia, I Albayrak, E Pummer - Computers & Fluids, 2024 - Elsevier
This numerical study investigates the effect of the channel cross-sectional geometries,
namely archway, circular, and horseshoe on the mean velocity fields, secondary currents …

Secondary currents and turbulence over a non-uniformly roughened open-channel bed

T Stoesser, R McSherry, B Fraga - Water, 2015 - mdpi.com
Large-eddy simulations (LES) of the flow over a non-uniformly roughened channel bed are
carried out to study the effect of non-uniform bed roughness on turbulence driven secondary …

Turbulence statistics in compound channels with deep and shallow overbank flows

S Kara, T Stoesser, TW Sturm - Journal of Hydraulic Research, 2012 - Taylor & Francis
The results of large eddy simulations (LESs) of turbulent flow in a compound open channel
with deep and shallow flood plain depths are presented. These LESs are validated with …