A comparative evaluation of turbulence models for simulation of unsteady cavitating flows

D Apte, M Ge, O Coutier-Delgosha - arxiv preprint arxiv:2303.08285, 2023 - arxiv.org
Cavitation is a complex multiphase phenomenon characterised by vapour bubbles forming
due to a sudden pressure drop and is often accompanied by increased hull vibrations …

Numerical investigation of a cavitating nozzle for jetting and rock erosion based on different turbulence models

D Apte, M Ge, O Coutier-Delgosha - Geoenergy Science and Engineering, 2023 - Elsevier
Cavitating nozzle jets play a crucial role for fuel extraction in the hydrocarbon industry and
geothermal energy sector. However, accurate numerical simulation of the flow field in a …

Effect of cavitation on energy conversion characteristics of a multiphase pump

G Shi, S Wang, Y **ao, Z Liu, H Li, X Liu - Renewable Energy, 2021 - Elsevier
To reveal the effect of cavitation on the energy conversion characteristics of helical axial
multiphase pump (Abbreviated to multiphase pump), the cavitation flow in multiphase pump …

Aeroheating and aerodynamic performance of a transonic hyperloop pod with radial gap and axial channel: A contrastive study

K Zhou, G Ding, Y Wang, J Niu - Journal of Wind Engineering and Industrial …, 2021 - Elsevier
The aerodynamic characteristics of a hyperloop vehicle with or without channels operating
at subsonic speeds in a low-pressure tube were simulated using a scale-adaptive simulation …

Large eddy simulation of the pulsation characteristics in the cavitating flow around a NACA0015 hydrofoil

A Yu, L Li, D Zhou, J Ji - Ocean Engineering, 2023 - Elsevier
Cavitation is common phenomenon in hydraulic machine, which is usually accompanied by
velocity and vorticity fluctuations. The cavitation flow around a hydrofoil is simulated based …

Effect of cavitation evolution on power characteristics of tidal current turbine

Y Gao, H Liu, G Guo, Y Lin, Y Gu, Y Ni - Physics of Fluids, 2023 - pubs.aip.org
With the development of large-scale tidal current turbines and the increase in tidal current
velocity, the possibility of cavitation increases. Furthermore, unsteady cavitation is a …

[HTML][HTML] Interaction between surface blowing and re-entrant jet in active control of hydrofoil cavitation

CS Pant, SH Frankel - Ocean Engineering, 2021 - Elsevier
Numerically simulations were performed to study the effect of active flow control (through
steady blowing) on unsteady cavitation over a modified scaled-down Francis turbine …

Analysis of applicability of cfd numerical studies applied to problem when pump working as turbine

F Plua, V Hidalgo, PA López-Jiménez… - Water, 2021 - mdpi.com
The present research depicts an analysis of the implementation of computational fluid
dynamics (CFD) in the study of pumps such as turbines and PATs. To highlight the benefits …

Influence of the turbulence modeling on the simulation of unsteady cavitating flows

R Chebli, B Audebert, G Zhang, O Coutier-Delgosha - Computers & Fluids, 2021 - Elsevier
The present work is focused on the analysis of cloud cavitation, ie high-speed unsteady
liquid/vapor flows characterized by periodical large-scale shedding. The study relies on the …

Numerical investigation of pulsating energy evolution in ventilated cavitation around the NACA0015 hydrofoil

A Yu, Z Qian, Q Tang, J Liu - Ocean Engineering, 2022 - Elsevier
The pulsation characteristics of the ventilated cavitation are investigated in this paper with
the Large Eddy Simulation method. As the ventilation rate increases, the air entrainment …