Modelling of Laminar-to-Turbulent Flow Transition on a Marine Propeller Using a RANS Solver
15 Oct 2023
Traditionally, predicting propeller performance is based on model-scale experiments carried out in towing tanks or cavitation tunnels. These ...
Paper
Propeller Performance Prediction in an Artificially Generated Wake Field Using RANSE
30 Sep 2019
Marine propellers usually operate behind a ship and are subject to a non-uniform inflow field due to the ship’s boundary layer and wake system. This ...
Paper
Improving an Already Optimized Ship by Making its Stern Asymmetric
14 May 2018
A container ship with a large area propeller is optimized for minimal power and maximum quality of the inflow to the propeller. Both object ...
Paper
Hydrodynamic working principles of Energy Saving Devices in ship propulsion systems
22 Jun 2017
Throughout the years, many types of Energy Saving Devices (ESDs) have been introduced to the naval industry, each claiming to achieve several ...
Paper
Green retrofitting through optimisation of hull-propulsion interaction - GRIP
18 Apr 2016
In the FP7 project GRIP, partners have extensively studied Energy Saving Devices which improve the propulsive efficiency of ships. This paper gives ...
Paper
Computational Study On Power Reduction By A Pre-Duct For A Bulk Carrier
2 Dec 2015
This paper presents computational results of the flow around the Japanese Bulk Carrier (JBC). The overall agreement with the experiments for all ...
Paper
The Potsdam propeller test case in oblique flow - prediction of cavitation patterns and pressure pulses
4 Jun 2015
We report computations performed as part of the Second International Workshop on Cavitating Propeller Performance, using the Potsdam Propeller Test ...
Paper
The Design and Numerical Demonstration of a New Energy Saving Device
2 Sep 2013
The present paper presents results from the ongoing European Project GRIP. This paper discusses the important steps that have been taken in the ...
Magazine
ReFRESCO plays major role in understanding and designing Energy Saving Devices
30 Aug 2013
Reading time 6 minutes
Using Computational Fluid Dynamics (CFD), new insights can be obtained into the working principles of Energy Saving Devices (ESDs), which all serve ...
Paper
The influence of the wake scale effect on the prediction of hull pressures due to cavitating propellers
15 Jun 2011
In this paper, the scale effect on the wake field of ship models is shown to be an important cause of prediction inaccuracies of hull pressure ...