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Tom van Terwisga

Team leader Resistance and Propulsion

Research & Development

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Publications
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 model, are evaluated for ...
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
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 ...
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 ...

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