Evaluation of turbulence closure models under spilling and plunging breakers in the surf zone

SA Brown, DM Greaves, V Magar, DC Conley - Coastal Engineering, 2016 - Elsevier
Turbulence closure models are evaluated for application to spilling and plunging breakers in
the surf zone using open source computational fluid dynamics software. A new library of …

Direct numerical simulation of a turbulent hydraulic jump: turbulence statistics and air entrainment

M Mortazavi, V Le Chenadec, P Moin… - Journal of Fluid …, 2016 - cambridge.org
We present direct numerical simulation (DNS) of a stationary turbulent hydraulic jump with
inflow Froude number of 2, Weber number of 1820 and density ratio of 831, consistent with …

A new model of roll waves: comparison with Brock's experiments

GL Richard, SL Gavrilyuk - Journal of Fluid Mechanics, 2012 - cambridge.org
We derive a mathematical model of shear flows of shallow water down an inclined plane.
The non-dissipative part of the model is obtained by averaging the incompressible Euler …

High-fidelity simulation of a hydraulic jump around a surface-piercing hydrofoil

Z Li, C Liu, D Wan, C Hu - Physics of Fluids, 2021 - pubs.aip.org
For a surface-piercing hydrofoil traveling at high speed, a turbulent hydraulic jump may arise
at the intersection of the body with the free surface. This hydrodynamic phenomenon …

Flow property and self-similarity in steady hydraulic jumps

C Lin, SC Hsieh, IJ Lin, KA Chang, RV Raikar - Experiments in Fluids, 2012 - Springer
The flow structure in a steady hydraulic jump in both the non-aerated and aerated regions
was measured using the image-based particle image velocimetry and bubble image …

Simulating air entrainment and vortex dynamics in a hydraulic jump

A Witt, J Gulliver, L Shen - International Journal of Multiphase Flow, 2015 - Elsevier
The air entrainment characteristics of three separate Froude number hydraulic jumps are
investigated numerically using an unsteady RANS, realizable k–ε turbulence model, with a …

Turbulence characteristics of classical hydraulic jump using DES

V Jesudhas, R Balachandar, V Roussinova… - Journal of Hydraulic …, 2018 - ascelibrary.org
This paper performs a three-dimensional, unsteady, detached-eddy simulation (DES) of a
classical hydraulic jump with an inlet Froude number of 8.5. The volume of fluid (VOF) …

Turbulence and self-similarity in highly aerated shear flows: The stable hydraulic jump

M Kramer, D Valero - International Journal of Multiphase Flow, 2020 - Elsevier
Hydraulic jumps are oftentimes encountered in natural and human-made environments. The
transition from supercritical to subcritical flow involves large energy dissipation rates and …

Turbulent free-surface monitoring with an RGB-D sensor: the hydraulic jump case

DB Bung, BM Crookston, D Valero - Journal of Hydraulic Research, 2021 - Taylor & Francis
Measuring flow depths in free-surface turbulent flows can be challenging due to their fast
dynamics and the presence of aeration. This study analyses the suitability of a low-cost …

Spilling breakers in shallow water: applications to Favre waves and to the shoaling and breaking of solitary waves

SL Gavrilyuk, VY Liapidevskii… - Journal of Fluid …, 2016 - cambridge.org
A two-layer long-wave approximation of the homogeneous Euler equations for a free-
surface flow evolving over mild slopes is derived. The upper layer is turbulent and is …