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GertJan Zondervan

Senior Project Manager Ships

Propulsion & Cavitation

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Expertise areas
Publications
Magazine
Optical measurement techniques lead to highly accurate deformation measurements

Aug 17, 2017

Reading time 6 minutes

Optical measurement techniques are becoming more and more important for MARIN and its customers.
Magazine
MARIN assists in the design of naval propellers

Nov 22, 2016

Reading time 6 minutes

Independent evaluation of the hydrodynamic performance of ship propellers is a very popular MARIN service. With essential feedback from customers ...
Paper
Design of research vessels; propeller cavitation and bubble sweep down in operational conditions

Sep 4, 2016

Research vessels are difficult to categorize in standard categories. To exaggerate a bit, one could say that they are a cross-over of the hull of a ...
Magazine
Meeting the dredger propulsion challenge

Aug 31, 2012

Reading time 3 minutes

Employing its full range of available tools and experience from sea trials, MARIN is successful in supporting the industry in the complicated field ...
Magazine
MARIN spearheads propulsion improvements

Dec 16, 2011

Reading time 6 minutes

Fuel saving and emission reduction are motivating factors in the drive to improve marine propulsor technology and in the renewed interest in special ...
Paper
On the Design and Analysis of Pre-Swirl Stators for Single and Twin Screw Ships

Jun 15, 2011

This paper focuses on the pre-swirl stator device providing the possibility to reduce the rotational losses incurred by the propeller. Estimates are ...
Magazine
Sustainability and renewables - a key focus

Aug 12, 2009

Reading time 3 minutes

MARIN recognises the need for alternative and sustainable energy sources. The new Renewable ENergy Team (adjacent page) has already been applying ...
Magazine
Fuel saving by hydrodynamic design

Aug 22, 2008

Reading time 6 minutes

Soaring fuel costs and the growing need for sustainability has caused an unprecedented demand for a reduction in fuel consumption. Report asks if ...
Paper
Use of CFD in the optimisation of a naval ship

Sep 18, 2007

In recent years there has been a change in the operational requirements for large Naval Support Ship vessels. Whether responding quickly to military ...
Paper
Flow analysis, design and testing of ducted propellers

Sep 1, 2006

This paper addresses the design and the testing of ducted propellers and illustrates how flow analysis can be used as a support. After a review of ...
Magazine
Get acquainted with RAPID release 3.0

Aug 1, 2004

Reading time 3 minutes

An essential part in the development of today's competitive ship design is a good hull shape. For several years MARIN's RAPID CFD software has ...
Paper
Advances in full-scale wake-field predictions and the implications for the propeller design

May 1, 2002

In the design of propellers for today's advanced ships important design trade-offs have to be made regarding propulsion efficiency, ...
Paper
Application Of Advanced Sectional Profiles In The Design Of Propulsors And Ship Appendages

Jun 1, 2000

In modern ship design problems related to cavitation can be solved successfully by properly designing the surfaces of propeller blades, rudders, ...

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