Comparison and validation of various turbulence models for U-bend flow with a magnetic resonance velocimetry experiment

Y Han, L Zhou, L Bai, W Shi, R Agarwal - Physics of Fluids, 2021 - pubs.aip.org
Turbulence modeling plays an important role in the accurate prediction of turbulent fluid
motion in computational fluid dynamics simulations using the Reynolds-averaged Navier …

Experimental study on velocity distributions, secondary currents, and coherent structures in open channel flow with submerged riparian vegetation

H Shi, J Zhang, W Huai - Advances in Water Resources, 2023 - Elsevier
Riparian vegetation, which is commonly found in natural rivers and open channels, has a
strong influence on flow structures. This paper describes a laboratory experiment on velocity …

[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 …

[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 …

An extended and improved particle‐spectral method for analysis of unsteady inviscid incompressible flows through a channel of finite length

VN Govorukhin - … Journal for Numerical Methods in Fluids, 2023 - Wiley Online Library
This paper addresses the development of a method to simulate and analyze unsteady flows
of incompressible and inviscid fluids in rectangular channels. Mathematically, the flow …

Membrane integrity monitoring on laboratory scale: Impact of test cell-induced damage on membrane selectivity

DV Gowda, D Harmsen, A D'Haese… - Journal of Membrane …, 2023 - Elsevier
Defects in the active layer of reverse osmosis (RO) membranes play a crucial role in the
passage of virus particles and microbial surrogates through the membrane systems. Prior …

Velocity measurements in developing narrow open-channel flows with high free-stream turbulence: Acoustic Doppler Velocimetry (ADV) vs Laser Doppler …

M Rastello, MR Klema, AB Carpenter… - Flow Measurement and …, 2022 - Elsevier
A developing narrow open-channel flow has been investigated using Acoustic Doppler
Velocimetry (ADV) and Laser Doppler Anemometry (LDA). The objectives were to first …

Wake characteristics of wall-mounted solid and foam-covered circular cylinders

S Das, S Abishek, R Balachandar, RM Barron - Physics of Fluids, 2023 - pubs.aip.org
The wake characteristics of wall-mounted finite submerged solid and foam-covered circular
cylinders (height/diameter= 0.9) are explored using large-eddy simulation for a Reynolds …

[HTML][HTML] Numerical simulation and optimization of a circular open channel for fish farming using Computational Fluid Dynamics (CFD)

A Jebelli, MS Zare, N Lotfi, MCE Yagoub - Water-Energy Nexus, 2023 - Elsevier
Open canals are one of the most common and cost-effective methods in water supply
networks; they are widely used in different industries such as agriculture, water and sewage …

Turbulent structures in gap flow

G Nasif, AM Shinneeb, R Balachandar… - CFD Letters, 2022 - semarakilmu.com.my
A computational study was carried out to investigate the effect of the gap between the body
and the bed on the wake characteristics in shallow flows. A sharp-edged bluff body with two …