[HTML][HTML] Investigation of cavitation noise using Eulerian-Lagrangian multiscale modeling
L Li, Y Niu, G Wei, S Manickam, X Sun, Z Zhu - Ultrasonics sonochemistry, 2023 - Elsevier
We have employed the large eddy simulation (LES) approach to investigate the cavitation
noise characteristics of an unsteady cavitating flow around a NACA66 (National Advisory …
noise characteristics of an unsteady cavitating flow around a NACA66 (National Advisory …
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 …
An overview of flow field computational methods for hydrodynamic noise prediction
Recently, the hydrodynamic noise is becoming a research hotspot because it not only affects
the concealment and comfort of ships, but also affects the living condition of underwater …
the concealment and comfort of ships, but also affects the living condition of underwater …
A 3d-BEM for underwater propeller noise propagation in the ocean environment including hull scattering effects
K Belibassakis, J Prospathopoulos - Ocean Engineering, 2023 - Elsevier
Commercial ships and ocean vehicles could contribute significantly to underwater noise
propagating in the marine environment, and propellers are considered to be a main source …
propagating in the marine environment, and propellers are considered to be a main source …
[HTML][HTML] Hydro-acoustic optimization of propellers: A review of design methods
A Portillo-Juan, S Saettone, P Andersen… - Applied Ocean …, 2024 - Elsevier
In recent years, the escalation of anthropogenic noise within marine environments has
become a pressing ecological concern. Despite the proliferation of guidelines aimed at …
become a pressing ecological concern. Despite the proliferation of guidelines aimed at …
The acoustic signature of a propeller–hydrofoil system in the far field
ABSTRACT Data from Large-Eddy Simulations on a grid consisting of 3.8 billion points are
utilized to reconstruct the acoustic far field of a propeller–hydrofoil system, using the Ffowcs …
utilized to reconstruct the acoustic far field of a propeller–hydrofoil system, using the Ffowcs …
[HTML][HTML] The acoustic signature of a rudder in the wake of a propeller: Comparison between infinite and semi-infinite approximations
The acoustic analogy is adopted to reconstruct the sound pressure levels from a propeller–
rudder system, using the database of instantaneous realizations of the solution from Large …
rudder system, using the database of instantaneous realizations of the solution from Large …
Acoustic far field of a propeller working in the wake of a hydrofoil
ABSTRACT The Ffowcs-Williams & Hawkings (FWH) acoustic analogy is adopted to
reconstruct the acoustic far field of a system consisting of an upstream hydrofoil and a …
reconstruct the acoustic far field of a system consisting of an upstream hydrofoil and a …
Numerical simulation of the flow field and radiation noise from a pump-jet propulsor under various stator pre-whirl angles
F Li, Q Huang, G Sun, G Pan, H Li, C Bai - Applied Ocean Research, 2023 - Elsevier
The effects of different stator pre-whirl angles on the hydrodynamic and noise performance
of a pump-jet propulsor (PJP) are studied; these angles are the inlet, outlet, and stagger …
of a pump-jet propulsor (PJP) are studied; these angles are the inlet, outlet, and stagger …
[HTML][HTML] Exciting a cavitating tip vortex with synthetic inflow turbulence: A CFD analysis of vortex kinematics, dynamics and sound generation
Cavitating tip vortices are one of the main contributors to underwater radiated noise (URN).
To predict URN and evaluate propeller designs, it is necessary to predict cavity dynamics …
To predict URN and evaluate propeller designs, it is necessary to predict cavity dynamics …