Mechanisms of evolution of the propeller wake in the transition and far fields

M Felli, R Camussi, F Di Felice - Journal of Fluid Mechanics, 2011 - cambridge.org
In the present study the mechanisms of evolution of propeller tip and hub vortices in the
transitional region and the far field are investigated experimentally. The experiments …

Numerical analysis of the wake dynamics of a propeller

L Wang, T Wu, J Gong, Y Yang - Physics of Fluids, 2021 - pubs.aip.org
This paper investigates the inception mechanism of propeller wake instability based on an
improved detached eddy simulation method at a moderate advance coefficient of J= 0.65 …

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 …

Influence of skew angle on the cavitation dynamics and induced low-frequency pressure fluctuations around a marine propeller

Y Wang, C He, X Wang, H Cheng, B Ji - Ocean Engineering, 2023 - Elsevier
This study numerically investigated the effects of the skew angle on cavitation and the
induced low-frequency pressure fluctuations. The numerical results compare well with …

The dynamics of the tip and hub vortices shed by a propeller: Eulerian and Lagrangian approaches

A Posa, R Broglia, E Balaras - Computers & Fluids, 2022 - Elsevier
Abstract Large Eddy Simulation on a grid composed of 3.8 billion points is utilized to
reproduce the wake of a marine propeller. Results are compared against Particle Imaging …

Propeller wake evolution mechanisms in oblique flow conditions

M Felli, M Falchi - Journal of fluid mechanics, 2018 - cambridge.org
In the present study the wake flow past an isolated propeller operating in oblique flow
conditions is investigated experimentally. In particular, the investigation concerns a …

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 …

Instability of the tip vortices shed by an axial-flow turbine in uniform flow

A Posa, R Broglia, E Balaras - Journal of Fluid Mechanics, 2021 - cambridge.org
Large-eddy simulation is utilized to reproduce the instability of the tip vortices shed from the
blades of an axial-flow turbine. The oscillations of their helical trajectories trigger mutual …

Modal analysis of the wake past a marine propeller

F Magionesi, G Dubbioso, R Muscari… - Journal of Fluid …, 2018 - cambridge.org
Modal decomposition techniques are used to analyse the wake field past a marine propeller
achieved by previous numerical simulations (Muscari et al. Comput. Fluids, vol. 73, 2013 …

[PDF][PDF] Numerical and experimental analysis of the wake behavior of a generic submarine propeller

F Di Felice, M Felli, M Liefvendahl, U Svennberg - Prism, 2009 - marinepropulsors.com
The performance and fluid dynamics of a submarine propeller, running in open water
conditions, was investigated using experimental and computational methods. The flow …