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 …

Theoretical vertical-axis tidal-current-turbine wake model using axial momentum theory with CFD corrections

Y Ma, WH Lam, Y Cui, T Zhang, J Jiang, C Sun… - Applied Ocean …, 2018 - Elsevier
The wake from a tidal current turbine has a significant impact on a tidal farm. A single turbine
wake would affect the turbine located adjacent or downstream. Two equations are proposed …

Three-dimensional analysis of local scouring induced by a rotating ship propeller

N Penna, F D'Alessandro, R Gaudio, GR Tomasicchio - Ocean Engineering, 2019 - Elsevier
The jet induced by a rotating ship propeller can cause scouring of the seabed and
consequent deposition of the scoured material nearby. Despite these effects are extremely …

Predicting axial velocity profiles within a diffusing marine propeller jet

GA Hamill, C Kee - Ocean Engineering, 2016 - Elsevier
A full understanding of the hydrodynamic processes within the jet produced by a
manoeuvring ship's propeller is essential in the development and maintenance of ports …

Propeller-induced jet impact on vegetated flow fields: Complex coupled effect towards the velocity profile

JH Pu - Applied Sciences, 2023 - mdpi.com
The failure of swirling ship propellers in marine environments can lead to huge repair costs.
One of the main causes of such failure is when propellers tangle with vegetation, especially …

Seabed scour induced by a propeller jet

Rİ Tan, Y Yüksel - Ocean Engineering, 2018 - Elsevier
This paper presents an improvement for the assessment of scour effects due to propeller jet
velocities with a direct application to prototype modeling as non-dimensional analysis is …

Effect of wave motion on the scouring caused by a marine propeller jet: An experimental and numerical study

D Ferraro, F Aristodemo, A Lauria, E Lazzaro… - Ocean …, 2023 - Elsevier
Bathymetry changes induced by marine propeller jets on movable beds are a crucial issue
in harbors, especially in the maneuvering zone. The knowledge of the scour hole and …

Improved formulation for the geometric characteristics of the scour hole and deposition mound caused by a rotating propeller jet on a mobile bed

G Curulli, N Penna, R Gaudio - Ocean Engineering, 2023 - Elsevier
The densimetric Froude number, F 0, which depends on the propeller rotational speed, n,
and on the median diameter of bed sediments, d 50, is the main parameter considered by …

Erosion caused by propeller jets in a low energy harbour basin

A Mujal-Colilles, X Gironella… - Journal of Hydraulic …, 2017 - Taylor & Francis
Field data of a harbour basin are compared with analytical formulations for predicting
maximum scouring depth due to propeller jets. Spatial data analysis of seven-year biannual …

Impingement of propeller jet on a vertical quay wall

M Wei, YM Chiew - Ocean Engineering, 2019 - Elsevier
This study experimentally investigates the mean and turbulent flow fields of a propeller jet
impinging on a vertical quay wall. Four impingement distances, namely, wall clearances …