Physical and numerical modelling of air-water flows: An introductory overview

C Gualtieri, H Chanson - Environmental Modelling & Software, 2021 - Elsevier
In free-surface turbulent flows, large amount of air may be entrapped and advected in the
water current. The resulting air-water flows are frequently observed in natural water systems …

Numerical simulation of hydraulic jumps. Part 2: Recent results and future outlook

N Viti, D Valero, C Gualtieri - Water, 2018 - mdpi.com
During the past two decades, hydraulic jumps have been investigated using Computational
Fluid Dynamics (CFD). The second part of this two-part study is devoted to the state-of-the …

Influence of VOF technique, turbulence model and discretization scheme on the numerical simulation of the non-aerated, skimming flow in stepped spillways

A Bayon, JP Toro, FA Bombardelli, J Matos… - Journal of hydro …, 2018 - Elsevier
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 …

3D modelling of non-uniform and turbulent flow in vertical slot fishways

JF Fuentes-Pérez, AT Silva, JA Tuhtan… - … modelling & software, 2018 - Elsevier
Global stocks of freshwater fish have been on the decline for decades, driven in part by the
obstruction of their migration routes by anthropogenic barriers. To mitigate such impacts …

Prediction of hydraulic jumps on a triangular bed roughness using numerical modeling and soft computing methods

M Dasineh, A Ghaderi, M Bagherzadeh, M Ahmadi… - Mathematics, 2021 - mdpi.com
This study investigates the characteristics of free and submerged hydraulic jumps on the
triangular bed roughness in various T/I ratios (ie, height and distance of roughness) using …

Numerical simulation of aeration impact on the performance of a-type rectangular and trapezoidal piano key weirs

J Souri, H OmidvarMohammadi… - Modeling Earth Systems …, 2024 - Springer
One of the challenges associated with Piano Key Weirs (PKWs) is the nappe oscillation of
the flow passing over them. Aeration of the flow has been identified as an effective method to …

Impact of green infrastructure on PM10 in port-adjacent residential complexes: A finite volume method-based computational fluid dynamics study

S Baek, J Kim, J Kang - Sustainable Cities and Society, 2024 - Elsevier
This study examines the effects of PM 10 reduction by introducing green infrastructure (GI) in
residential areas adjacent to ports, where significant pollutant emissions from ships are …

Numerical modeling of failure mechanisms in articulated concrete block mattress as a sustainable coastal protection structure

R Safari Ghaleh, O Aminoroayaie Yamini, SH Mousavi… - Sustainability, 2021 - mdpi.com
Shoreline protection remains a global priority. Typically, coastal areas are protected by
armoring them with hard, non-native, and non-sustainable materials such as limestone. To …

Characteristics of free and submerged hydraulic jumps over different macroroughnesses

A Ghaderi, M Dasineh, F Aristodemo… - Journal of …, 2020 - iwaponline.com
The present study deals with numerical simulations of the free and submerged hydraulic
jumps over different shapes of roughness in various roughness arrangements and different …

Reformulating self-aeration in hydraulic structures: Turbulent growth of free surface perturbations leading to air entrainment

D Valero, DB Bung - International Journal of Multiphase Flow, 2018 - Elsevier
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 …