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Magazine
Podded propulsion, a novel propulsion type providing new hydrodynamic challenges
Jun 1, 2019
Reading time 3 minutes
In the mid-nineties, a novel propulsion type made its appearance in the maritime market - podded propulsion. The first installations were on ...
Paper
Design of research vessels- propeller cavitation and bubble sweep down in operational conditions
Sep 4, 2016
A critical aspect in the operation of special purpose research vessels is the interference by the flow over the hull and propellers with acoustic ...
Paper
Correlation allowances in model tests results - A delicate balance between performance, accuracy and commercial interests?
Jun 19, 2016
Model tests at ballast and design draught are used to convert the sea trial results from the ballast trial draught to the contractual design ...
Paper
DiStributed propulsion: a novel concept for inland vessels
Jun 17, 2015
In the drive to reduce the full consumption of inland vessels, one of the main limitations, the risk of propeller ventilation was investigated. Aim ...
Paper
Ship Resistance Validation Using Artificial Ice
Jun 1, 2015
In 2013, the first model tests with artificial ice were performed in MARIN's Concept Basin. A 'fishbone' type of channel was made out ...
Paper
On the Measurement of Submersion Ice Resistance of Ships, Using Artificial Ice
Jun 15, 2014
This paper presents research in which an alternative to refrigerated ice for submersion resistance measurements on model scale is investigated. ...
Paper
Creation of Warm Model Ice
Jun 13, 2014
To predict loads on propellers in ice, model tests can be used. Using regular (refrigerated) cold model ice in ice basins is a valid option. ...
Paper
Interaction Between Warm Model Ice and a Propeller
Jun 13, 2014
Ships sailing in ice require a propeller that is able to endure both extreme loads and fatigue loads and operate efficiently in ice and open water. ...
Paper
Centre of Pressure of 6 Degree of Freedom Loads, Applied to Impact Measurements on a Propeller Blade
Jun 13, 2014
Load measurements on various structures and objects arenowadays common in technical industries and research fields.The same applies to numerical ...
Paper
Dynamic Behaviour of the Loads of Podded Propellers in Waves - Experimental and Numerical Simulations
Jun 13, 2014
The paper focuses on the hydrodynamic flow around a ship with pods in waves and compares the results of an experimental campaign with numerical ...
Paper
Warm Model Ice and Propeller Interaction, Capturing the Driving Mechanics?
Jun 8, 2014
In the drive to design robust and more efficient propellers, the need to understand propeller-ice interaction is increasing. Traditionally MARIN has ...
Paper
Correlation allowances in model tests results - Truth or dare?
Oct 25, 2013
Model tests at ballast and design draught are used toconvert the sea trial results from the ballast trial draughtto the contractual design draught. ...
Paper
Experimental Investigation of the Effect of Waves, Ventilation and Cavitation in Bollard Pull Conditions
Jun 14, 2013
Ventilation is a feared working condition of ship propulsors, especially in Dynamic Positioning operation, since it leads to the lost of thrust of ...
Paper
Propeller-ice Impacts Measurements with a Six-component Blade Load Sensor
Jun 1, 2013
The impact of ice on a propeller is a complex process, which most likely results into a milling or crushing process, or a combination of both. The ...
Paper
Experimental investigation of the effect of waves and ventilation in depressurised conditions on a POD-propeller of a cruise liner model
May 15, 2013
Ventilation is a feared working condition of ship propulsors. Except for rare applications such as surface piercing propeller specially designed for ...
Magazine
Ice crushing propeller dynamics revealed
Jan 21, 2013
Reading time 6 minutes
When a captain of an ice-going vessel stands on the bridge looking at the enchanting world around him he wants to hear the comforting sound of ice ...
Magazine
First images of cavitation and ventilation in waves
Aug 31, 2012
Reading time 6 minutes
History was made on May 22 when the first-ever cavitating and ventilating images appeared on the monitors at MARIN's new Depressurised Wave Basin.
Paper
Development of a Six-component Blade Load Measurement Test Setup for Propeller-Ice Impact
Jul 1, 2012
The impact of ice on a propeller is a complex process, which most likely results into a milling or crushing process, or a combination. The highly ...
Magazine
Thawing out the challenges of ice loads
Dec 16, 2011
Reading time 3 minutes
Ice loads on the propellers of pods are the focus of one of the 'Cooperative Research Ships' working groups. Aiming to develop a mathematical model ...
Paper
Trimaran Hull Form Development for America's Marine Highways EXPRESS SERVICE Trailership
Sep 30, 2011
The paper describes the results of the hull form design of an innovative High Speed Trimaran Trailership (HSTT) as part of the fleet of ...
Paper
Ship Design for Minimal Fuel Consumption in Everyday Use
Jun 8, 2011
Ships are in general designed to first meet their contract speed, which is most times their trial speed. The ship design efforts are dominated by ...
Magazine
Dynamic loads on pods
Jan 29, 2009
Reading time 6 minutes
Loads on pods are the focus of one of the Cooperative Research of Ships (CRS) working groups. Aiming at a mathematical model to determine the loads ...
Paper
High speed video and hull pressure synchronisation to improve propeller design
Mar 1, 2006
Nowadays, one of the questions that has to be answered is what is the relation between the measured pressure signature on the hull and the ...
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
Christian VeldhuisTeam Leader Ships - Simulation & Development | Senior Project Manager | Research coordinator Zero Emission Shipping