Direct numerical simulation of a turbulent hydraulic jump: turbulence statistics and air entrainment
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 …
inflow Froude number of 2, Weber number of 1820 and density ratio of 831, consistent with …
High-fidelity simulation of a hydraulic jump around a surface-piercing hydrofoil
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 …
at the intersection of the body with the free surface. This hydrodynamic phenomenon …
Simulating air entrainment and vortex dynamics in a hydraulic jump
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 …
investigated numerically using an unsteady RANS, realizable k–ε turbulence model, with a …
A comprehensive sub-grid air entrainment model for RaNS modeling of free-surface bubbly flows
The simulation of free surface bubbly flows using a two-fluid model remains a challenging
problem in part due to the lack of a comprehensive air entrainment model that can predict …
problem in part due to the lack of a comprehensive air entrainment model that can predict …
Modeling air entrainment and transport in a hydraulic jump using two-fluid RANS and DES turbulence models
Abstract Both RaNS (Reynolds-averaged Navier–Stokes) and DES (Detached Eddy
Simulation) type turbulence models were used in conjunction with a two-fluid model of …
Simulation) type turbulence models were used in conjunction with a two-fluid model of …
Wake behind a three-dimensional dry transom stern. Part 1. Flow structure and large-scale air entrainment
We present high-resolution implicit large eddy simulation (iLES) of the turbulent air-
entraining flow in the wake of three-dimensional rectangular dry transom sterns with varying …
entraining flow in the wake of three-dimensional rectangular dry transom sterns with varying …
Numerical investigation of vorticity and bubble clustering in an air entraining hydraulic jump
A high resolution computational fluid dynamics model is used to simulate a steady air
entraining laboratory scale hydraulic jump. A detailed examination of shear layer instabilities …
entraining laboratory scale hydraulic jump. A detailed examination of shear layer instabilities …
A simplified and versatile calibration method for multi-camera optical systems in 3D particle imaging
This article describes a stereoscopic multi-camera calibration method that does not require
any optical model. It is based on a measure of the light propagation within the measurement …
any optical model. It is based on a measure of the light propagation within the measurement …
Evaluating phase-detection-based approaches for interfacial velocity and turbulence intensity estimation in a highly-aerated hydraulic jump
K Wang, R Tang, R Bai, H Wang - Flow Measurement and Instrumentation, 2021 - Elsevier
Estimation of turbulence intensity within a highly-aerated turbulent flow is challenging. A
possible way is to record bubble arrival information using intrusive phase-detection probes …
possible way is to record bubble arrival information using intrusive phase-detection probes …
Hydraulic jumps: turbulence and air bubble entrainment
H Chanson - La Houille Blanche, 2011 - shf-lhb.org
A free-surface flow can change from a supercritical to subcritical flow with a strong
dissipative phenomenon called a hydraulic jump. Herein the progress and development in …
dissipative phenomenon called a hydraulic jump. Herein the progress and development in …