Cavitation research with computational fluid dynamics: From Euler-Euler to Euler-Lagrange approach

B Ji, Z Wang, H Cheng, RE Bensow - Journal of Hydrodynamics, 2024 - Springer
Unsteady cavitating flow often contains vapor structures with a wide range of different length
scales, from micro-bubbles to large cavities, which issues a big challenge to precisely …

[HTML][HTML] Predicting cavitating propeller noise in off-design conditions using scale-resolving CFD simulations

AK Lidtke, T Lloyd, FH Lafeber, J Bosschers - Ocean Engineering, 2022 - Elsevier
There is increasing awareness about the harmful impact of underwater radiated noise of
shipping on the marine environment, with propeller cavitation being a major contributor …

The signature of a propeller–rudder system: Acoustic analogy based on LES data

A Posa, M Felli, R Broglia - Ocean Engineering, 2022 - Elsevier
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 …

Influence of an upstream hydrofoil on the acoustic signature of a propeller

A Posa, M Felli, R Broglia - Physics of Fluids, 2022 - pubs.aip.org
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 …

Study of a FWH-based permeable-surface formulation for propeller hydroacoustics

C Testa, F Porcacchia, S Zaghi, M Gennaretti - Ocean Engineering, 2021 - Elsevier
This paper investigates the use of the permeable surface integral formulation based on the
Ffowcs Williams–Hawkings Equation to predict the noise field generated by marine …

Numerical investigation of marine propeller underwater radiated noise using acoustic analogy Part 2: The influence of eddy viscosity turbulence models

S Sezen, T Cosgun, A Yurtseven, M Atlar - Ocean Engineering, 2021 - Elsevier
The present study focuses on the impact of eddy viscosity turbulence models on the
benchmark INSEAN E779A marine propeller hydroacoustic performance under non …

Prediction of cavitating propeller underwater radiated noise using RANS & DES-based hybrid method

S Sezen, M Atlar, P Fitzsimmons - Ships and Offshore Structures, 2021 - Taylor & Francis
This study focuses on the prediction of the hydrodynamic and hydroacoustic performance of
a cavitating marine propeller in open water condition using Reynolds-averaged Navier …

[HTML][HTML] Numerical investigation into the effects of tip vortex cavitation on propeller underwater radiated noise (URN) using a hybrid CFD method

S Sezen, M Atlar - Ocean Engineering, 2022 - Elsevier
This study explores the influence of tip vortex cavitation (TVC) on propeller induced URN
using a hybrid CFD method. The cavitating flow around the model and full-scale benchmark …

[HTML][HTML] Marine propeller underwater radiated noise prediction with the FWH acoustic analogy Part 2: Assessment of model scale propeller hydroacoustic performance …

S Sezen, M Atlar - Ocean Engineering, 2023 - Elsevier
This study presents the model scale benchmark, The Princess Royal, propeller's
hydrodynamic performance, including cavitation extensions and URN operating in a non …

[HTML][HTML] A fast and storage-saving method for direct volumetric integration of FWH acoustic analogy

Y Wang, T Mikkola, S Hirdaris - Ocean Engineering, 2022 - Elsevier
This paper proposes a new method that makes the direct volume integration of the Lighthill
stress term in FWH acoustic analogy affordable in terms of both computational time and disk …