Hydraulics of aerated flows: qui pro quo?
H Chanson - Journal of Hydraulic Research, 2013 - Taylor & Francis
In turbulent free-surface flows, the deformation of the surface leads to air bubble entrainment
and droplet projections when the turbulent shear stress is greater than the surface tension …
and droplet projections when the turbulent shear stress is greater than the surface tension …
Performance assessment of OpenFOAM and FLOW-3D in the numerical modeling of a low Reynolds number hydraulic jump
A comparative performance analysis of the CFD platforms OpenFOAM and FLOW-3D is
presented, focusing on a 3D swirling turbulent flow: a steady hydraulic jump at low Reynolds …
presented, focusing on a 3D swirling turbulent flow: a steady hydraulic jump at low Reynolds …
Computation of the Basset force: recent advances and environmental flow applications
When numerically integrating the equation describing the motion of a particle in a carrier
fluid, the computation of the Basset (history) force becomes by far the most expensive and …
fluid, the computation of the Basset (history) force becomes by far the most expensive and …
Influence of VOF technique, turbulence model and discretization scheme on the numerical simulation of the non-aerated, skimming flow in stepped spillways
An accurate description of the hydrodynamics in the non-aerated region of the skimming
flow on stepped spillways is of outmost importance, particularly in small structures at large …
flow on stepped spillways is of outmost importance, particularly in small structures at large …
Free-flow discharge estimation method for Piano Key weir geometries
Currently, many existing spillways located throughout the globe require rehabilitation due to
dam safety issues. Consequently, there is an increasing need for design tools that facilitate …
dam safety issues. Consequently, there is an increasing need for design tools that facilitate …
The hydraulic investigation of circular crested stepped spillway
In this study, the hydraulic properties of circular crested stepped spillways (CCSS) including
stage-discharge relation, discharge coefficient (C d) and their ability to dissipate energy …
stage-discharge relation, discharge coefficient (C d) and their ability to dissipate energy …
Reformulating self-aeration in hydraulic structures: Turbulent growth of free surface perturbations leading to air entrainment
A new formulation for the prediction of free surface dynamics related to the turbulence
occurring nearby is proposed. This formulation, altogether with a breakup criterion, can be …
occurring nearby is proposed. This formulation, altogether with a breakup criterion, can be …
Numerical analysis of hydraulic jumps using OpenFOAM
A Bayon-Barrachina… - Journal of …, 2015 - iwaponline.com
The present paper deals with a hydraulic jump study, characterization and numerical
modeling. Hydraulic jumps constitute a common phenomenon in the hydraulics of open …
modeling. Hydraulic jumps constitute a common phenomenon in the hydraulics of open …
Hydraulics of the develo** flow region of stepped spillways. I: Physical modeling and boundary layer development
On a stepped spillway, the steps act as macroroughness elements, contributing to enhanced
energy dissipation and significant aeration. In a skimming flow, the upstream flow motion is …
energy dissipation and significant aeration. In a skimming flow, the upstream flow motion is …
Scale effects in microscopic air-water flow properties in high-velocity free-surface flows
Experiments of high-velocity air-water flows were conducted on two scaled stepped
spillways with step heights of h= 0.05 and 0.1 m to investigate scale effects in terms of air …
spillways with step heights of h= 0.05 and 0.1 m to investigate scale effects in terms of air …