Hydroacoustic analysis of a marine propeller using large-eddy simulation and acoustic analogy
The acoustic analogy is adopted to characterise the signature of a seven-bladed submarine
propeller, relying on a high-fidelity large-eddy simulation, performed on a computational grid …
propeller, relying on a high-fidelity large-eddy simulation, performed on a computational grid …
Characterization of the wake of a submarine propeller via large-eddy simulation
Results of large-eddy simulations of a submarine propeller in open-water (isolated)
configuration are presented for three load conditions. An immersed boundary approach is …
configuration are presented for three load conditions. An immersed boundary approach is …
Underlying mechanisms of propeller wake interaction with a wing
M Felli - Journal of Fluid Mechanics, 2021 - cambridge.org
The present study investigates the fundamental mechanisms of interaction between the
propeller wake vortices and an untipped non-lifting wing. The study consists of a …
propeller wake vortices and an untipped non-lifting wing. The study consists of a …
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 …
properties of turbulence at the core of the tip and hub vortices shed by a marine propeller …
Acoustic signature of a propeller operating upstream of a hydrofoil
The Ffowcs-Williams and Hawkings acoustic analogy is utilized to analyze the signature of a
system consisting of a propeller and a downstream hydrofoil, mimicking a rudder at 0 …
system consisting of a propeller and a downstream hydrofoil, mimicking a rudder at 0 …
The signature of a propeller–rudder system: Acoustic analogy based on LES data
The acoustic analogy is utilized to analyze the sound from a propeller–rudder system,
exploiting data from high-fidelity Large-Eddy Simulations, performed on a cylindrical grid …
exploiting data from high-fidelity Large-Eddy Simulations, performed on a cylindrical grid …
Influence of an upstream hydrofoil on the acoustic signature of a propeller
The acoustic analogy is adopted to reconstruct the sound generated by a system consisting
of a hydrofoil and a downstream propeller. The data from high-fidelity large-eddy simulations …
of a hydrofoil and a downstream propeller. The data from high-fidelity large-eddy simulations …
Near wake of a propeller across a hydrofoil at incidence
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 …
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
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 …
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
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 …
simulation on a cylindrical grid composed of 3.8 billion points. Four angles of incidence of …