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Expertise areas
Publications
Paper
On the use of synthetic inflow turbulence for scale-resolving simulations of wetted and cavitating flows
May 15, 2021
The Delft Twist 11 Hydrofoil is a common test case for investigating the interaction between turbulence and cavitation modelling in computational ...
Paper
Evaluation of Scale-Resolving Simulations for a Turbulent Channel Flow
Jun 20, 2020
Different variable resolution turbulence modelling approaches (Hybrid, Bridging models and LES) are evaluated for turbulent channel flow at Reτ=395, ...
Paper
Exploring the limits of RANS-VoF modelling for aircavity flows
Apr 16, 2020
BACKGROUND: Air lubrication techniques have the potential to significantly reduce frictional drag, benefiting sustainable employability of ships. ...
Magazine
Propulsion design
Jun 1, 2019
Reading time 9 minutes
In the year 2030, the French Naval Architect Monique Lorand was tasked to optimise a preliminary ship design in only 24 hours - a task deemed ...
Paper
Pans simulations: low versus high Reynolds number approach
May 13, 2019
Different approaches for specifying the ratio of modelled-to-total dissipation (fε) in the PANS model, based on the k−ω SST ...
Paper
Hydrodynamic working principles of Energy Saving Devices in ship propulsion systems
Jun 22, 2017
Throughout the years, many types of Energy Saving Devices (ESDs) have been introduced to the naval industry, each claiming to achieve several ...
Paper
Numerical Study Of Cavitation On A NACA0015 Hydrofoil: Solution Verification
May 15, 2017
The present paper analyses a series of Computational Fluid Dynamic simulationsof the cavitating flow around a two-dimensional NACA0015 foil.
Paper
Influence of grid setup on the prediction of hydrofoil cavitation
Oct 3, 2016
The objective of this work is to evaluate the effect of two different grid types when they are used to simulate cavitating flow using an unsteady ...
Paper
Finite Mass Transfer Effects in Cavitation Modelling
Oct 3, 2016
The objective of this work is to evaluate the effect of two different grid types when they are used to simulate cavitating flow using an unsteady ...
Paper
On the Physical Mechanisms for the Numerical Modelling of Flows around Air Lubricated Ships
Sep 18, 2016
The article is based on the available literature regarding air lubricated ship in the public domain and knowledge gained in research projects ...
Paper
Computational Study On Power Reduction By A Pre-Duct For A Bulk Carrier
Dec 2, 2015
This paper presents computational results of the flow around the Japanese Bulk Carrier (JBC). The overall agreement with the experiments for all ...
Paper
Numerical Study on Air Cavity Flows
Sep 28, 2015
This work is focused on the numerical study of two problems: the drag reduction prediction by air cavities with known size and the free-surface ...
Paper
Water Quality Effects on Sheet Cavitation Inception on a Ship Propeller Model
May 30, 2010
Cavitation research for the maritime industry is mainly carried out in model scale facilities such as a cavitation tunnel or a depressurized towing ...
Magazine
Integrated design approach helps reduce fuel consumption and emissions
Aug 12, 2009
Reading time 6 minutes
Efforts to reduce emissions continue worldwide. The maritime industry too, is pressing on with initiatives to cut back emissions. Undoubtedly, ...
Magazine
VIRTUE boosts the role of CFD in ship hydrodynamics
Aug 12, 2009
Reading time 6 minutes
Ship resistance and propulsion are fundamental factors in the fuel efficiency of maritime transport.
Modern computational techniques allow further ...
Magazine
Innovative hull design brings victory again
Aug 22, 2008
Reading time 6 minutes
Delft University Solar Boat Team wins Frisian Solar Challenge for the second time
Paper
Ventilation or cavitation: An experimental study to determine dynamic loads on controllable pitch propellers
Sep 1, 2006
Reading time 4 minutes
The load variation on a propeller depends mainly on the change of the inflow velocities on the propeller. And it is essentially the non-uniform ...
Paper
Cavitation inception test on a systematic series of two-bladed propellers
Sep 1, 2006
The paper aims at propeller design techniques which suppress inception of tip vortex cavitation. Model tests provide insight in the phenomena ...
Paper
Time resolved PIV and flow visualization of 3D sheet cavitation
Apr 1, 2006
Time-resolved PIV was applied to study fully developed sheet cavitation on a hydrofoil with a spanwise varying angle of attack.
Paper
Effect of Operational Conditions on the Cavitation Inception Speed of Naval Propellers
Aug 1, 2004
A propeller analysis package for time domain simulations is described that permits evaluation of the effects of variable operating conditions on ...
Magazine
Air lubricated hulls and propulsors
Apr 1, 2001
Reading time 3 minutes
The idea of reducing the frictional resistance of ships by means of air cavities in the ship's bottom is not new, but is rarely applied.
Magazine
Depressurised Towing Tank - bigger, better, quicker
Sep 1, 2000
Reading time 6 minutes
Towards the end of this year, MARIN's newly rebuilt and modernised Depressurised Towing Tank (DTT) will be back in service. Henk Valkhof and Tom van ...
Magazine
Silent running
Sep 1, 2000
Reading time 3 minutes
Modern navies all agree on one thing: they need propeller designs which delay cavitation inception to keep their ships as quiet as possible. Bert ...
Magazine
TIPVOR: US and Dutch Navies unite to battle cavitation
Sep 1, 2000
Reading time 3 minutes
Cavitation research and propulsor developments are key MARIN areas of expertise and the Depressurised Towing Tank and the Cavitation Tunnel are ...
Other experts
Christian VeldhuisTeam Leader Ships - Simulation & Development | Senior Project Manager | Research coordinator Zero Emission Shipping
Christian VeldhuisTeam Leader Ships - Simulation & Development | Senior Project Manager | Research coordinator Zero Emission Shipping