Anisotropy of turbulence at the core of the tip and hub vortices shed by a marine propeller

A Posa - Journal of Fluid Mechanics, 2023 - cambridge.org
Large-eddy simulation on a grid consisting of 5 billion points was utilized to study the
properties of turbulence at the core of the tip and hub vortices shed by a marine propeller …

Near wake of a propeller across a hydrofoil at incidence

A Posa, R Broglia - Physics of Fluids, 2022 - pubs.aip.org
Large-eddy simulations of a propeller operating upstream of a hydrofoil at incidence were
conducted on a cylindrical grid consisting of almost 4× 10 9 points. This manuscript, focused …

Spanwise distribution of the loads on a hydrofoil working in the wake of an upstream propeller

A Posa, R Broglia - Ocean Engineering, 2022 - Elsevier
The spanwise distribution of the loads acting on a hydrofoil working in the wake of a
propeller is analyzed both as a function of the propeller load and the incidence of the …

Flow over a hydrofoil at incidence immersed within the wake of a propeller

A Posa, R Broglia - Physics of Fluids, 2021 - pubs.aip.org
The flow over a hydrofoil in the wake of a marine propeller is studied using large-eddy
simulation on a cylindrical grid composed of 3.8 billion points. Four angles of incidence of …

Dynamic mode decomposition and reconstruction of the transient propeller wake under a light loading condition

Y Zhi, R Qiu, R Huang, Y Wang - Ocean Engineering, 2023 - Elsevier
This research aims to extend our understanding of propeller wake dynamics under a light
loading condition, thereby laying a foundation for design optimization and flow control of the …

The wake flow downstream of a propeller-rudder system

A Posa, R Broglia, E Balaras - International Journal of Heat and Fluid Flow, 2021 - Elsevier
We report wall-resolved, large-eddy simulations for the case of a propeller operating
upstream of a hydrofoil, mimicking a rudder. Our primary objective is the identification of …

[HTML][HTML] End effects in the wake of a hydrofoil working downstream of a propeller

A Posa - Physics of Fluids, 2023 - pubs.aip.org
Large-eddy simulations are reported on a system consisting of a marine propeller and a
downstream, semi-infinite hydrofoil, carried out on a cylindrical grid of about 3.8× 10 9 …

Tip vortices shed by a hydrofoil in the wake of a marine propeller

A Posa - Physics of Fluids, 2022 - pubs.aip.org
Large-eddy simulations on a grid consisting of 3.8 billion points are reported, dealing with a
system composed of a propeller and a downstream semi-infinite hydrofoil, mimicking a …

Development of the wake shed by a system composed of a propeller and a rudder at incidence

A Posa, R Broglia - International Journal of Heat and Fluid Flow, 2022 - Elsevier
Abstract Large Eddy Simulations are reported on a system consisting of a marine propeller
and a hydrofoil, mimicking a rudder, for four orientations of the latter, modeling maneuvering …

Vibrations of simplified rudder induced by propeller wake

W Zhang, X Ning, F Li, H Guo, S Sun - Physics of Fluids, 2021 - pubs.aip.org
Severe wake-structure interaction induces intense vibrations and noises. In this study, the
rudder is simplified into a plate fixed at two ends. The vibrations of the plate operating in the …