Numerical simulation of the wake instabilities of a propeller

L Wang, T Wu, J Gong, Y Yang - Physics of Fluids, 2021 - pubs.aip.org
Propeller wake instability mechanisms are investigated using the improved detached-eddy
and large-eddy simulation approaches under heavy loading condition. Simulations involving …

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 …

Large eddy simulation of propeller wake instabilities

P Kumar, K Mahesh - Journal of Fluid Mechanics, 2017 - cambridge.org
The wake of a five-bladed marine propeller at design operating condition is studied using
large eddy simulation (LES). The mean loads and phase-averaged flow field show good …

IDDES simulation of the performance and wake dynamics of the wind turbines under different turbulent inflow conditions

G Chen, XB Li, XF Liang - Energy, 2022 - Elsevier
This paper aims at investigating the effect of the inflow turbulence on the aerodynamics and
the wake instabilities of the wind turbine. The improved delayed detached eddy simulation …

Recent advances in understanding propeller jet flow and its impact on scour

M Wei, YM Chiew, NS Cheng - Physics of Fluids, 2020 - pubs.aip.org
This paper presents an extensive review of the characteristics of a propeller jet-induced flow
field and its impact on scour formation. As the driving force of scour, the jet flow behavior is …

Experiments and CFD for the propeller wake of a generic submarine operating near the surface

L Wang, JE Martin, M Felli, PM Carrica - Ocean Engineering, 2020 - Elsevier
An experimental and computational fluid dynamics (EFD and CFD) study of the appended
notional submarine DARPA Suboff fitted with the 7-bladed E1658 propeller and operating …

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 …

Numerical investigation of a propeller operating under different inflow conditions

L Wang, W Luo, M Li - Physics of Fluids, 2022 - pubs.aip.org
This work investigates the flow physics in propeller wakes to better understand how
propeller wakes evolve under different inflow conditions from near field to far field. A rotating …

Numerical simulation of vortex instabilities in the wake of a preswirl pumpjet propulsor

D Qin, Q Huang, G Pan, P Han, Y Luo, X Dong - Physics of Fluids, 2021 - pubs.aip.org
A numerical analysis based on detached eddy simulations is conducted to investigate vortex
instabilities in the wake of a preswirl pumpjet propulsor. Three models are established to …

Characterization of the wake of a submarine propeller via large-eddy simulation

A Posa, R Broglia, M Felli, M Falchi, E Balaras - Computers & fluids, 2019 - Elsevier
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 …