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 1: Experimental data for modelling performance assessment

D Valero, N Viti, C Gualtieri - Water, 2018 - mdpi.com
Hydraulic jumps have been the object of extensive experimental investigation, providing the
numerical community with a complete case study for models' performance assessment. This …

Numerical simulations of the flow field of a submerged hydraulic jump over triangular macroroughnesses

A Ghaderi, M Dasineh, F Aristodemo, C Aricò - Water, 2021 - mdpi.com
The submerged hydraulic jump is a sudden change from the supercritical to subcritical flow,
specified by strong turbulence, air entrainment and energy loss. Despite recent studies …

Investigation of free surface turbulence damping in RANS simulations for complex free surface flows

A Kamath, G Fleit, H Bihs - Water, 2019 - mdpi.com
The modelling of complex free surface flows over weirs and in the vicinity of bridge piers is
presented in a numerical model emulating open channel flow based on the Reynolds …

Analysis of the flow in a typified USBR II stilling basin through a numerical and physical modeling approach

JF Macián-Pérez, R García-Bartual, B Huber, A Bayon… - Water, 2020 - mdpi.com
Adaptation of stilling basins to higher discharges than those considered for their design
implies deep knowledge of the flow developed in these structures. To this end, the hydraulic …

Experimental and numerical analysis of two-phase flows in plunge pools

JM Carrillo, LG Castillo, F Marco… - Journal of Hydraulic …, 2020 - ascelibrary.org
The current capacity of many spillways may be insufficient due to the increase in flood flows
as a result of climate change. In those cases, the dam may be overtopped, generating new …

Characterization of structural properties in high Reynolds hydraulic jump based on CFD and physical modeling approaches

JF Macián-Pérez, A Bayón… - Journal of Hydraulic …, 2020 - ascelibrary.org
A classical hydraulic jump with Froude number (Fr 1= 6) and Reynolds number (Re 1=
210,000) was characterized using the computational fluid dynamics (CFD) codes …

Hydraulic jump: a brief history and research challenges

D De Padova, M Mossa - Water, 2021 - mdpi.com
This paper presents a brief history of the hydraulic jump and a literature review on hydraulic
jumps' experimental and numerical studies. Leonardo da Vinci noticed this phenomenon …

Numerical investigation of scour downstream of diversion barrage for different stilling basins at flood discharge

MW Zaffar, I Hassan, U Latif, S Jahan, Z Ullah - Sustainability, 2023 - mdpi.com
The hydraulic performance of stilling basins is affected by their size and geometry, which
can be predicted by local scour. In 2008, based on a rigid bed study, the stilling basin of …

Numerical simulation study on spread angle in oblique cut flip bucket

Y Ran, C Liu, J Deng, W Wei, Q Long - Engineering Applications of …, 2023 - Taylor & Francis
With the advantages of simple structure, good energy dissipation effect and so on, the sky
jump energy dissipation is widely used in energy dissipation of water conservancy project …