editorial Dear Reader,


6 Measuring success STX Europe and MARIN - A cooperation spanning nearly three decades


Raimo Hamalainen, Head of Hydrodynamics in Turku, STX Finland, talks about the many pioneering developments the two organisations have worked on together and the challenges presented by the development of Royal Caribbean’s Oasis of the Seas cruise liner.


9 Oasis of the Seas - the next generation in cruising


matched by its equivalent in model testing As this magnificent ship prepares for its maiden voyage Report takes the opportunity to focus on the measurement techniques used in this interesting and challenging project.


12 MARIN advances model thruster control technology Thruster load measurements, combined with advanced control systems, give insight


into the operational aspects of dynamically positioned vessels. Recent developments are discussed.


14 Propeller observations improve dramatically with


new borescope technique Detailed propeller observations and observations in a wider range of light conditions are now possible.


15 Lifetime prediction moves a step closer with Fatigue


Damage Sensor The Fatigue Damage Sensor (FDS) is being deployed in several Joint Industry Projects and is already being applied commercially.


16 Sloshing impacts captured in 110 full-scale tests Report highlights the innovative techniques MARIN has developed for measuring full-


and large-scale sloshing impacts within the Sloshel project. 18 New stereo-PIV system proves a valuable tool for the


future Stereo Particle Image Velocimetry (PIV) is an important tool for the experimental validation of CFD calculations and for obtaining flow field information. Report outlines how this can then be used for appendage or propeller design.


20 Saving time with quasi-steady technique The latest development in propulsion testing comes under the spotlight.


21 GIS ideal for Spatial Analysis of AIS data Bringing data from the Automatic Identification System (AIS) and Geographic Information


Systems (GIS) together proves particularly useful for spatial planning. 22 MARIN develops unique Underwater Measurement


System New Underwater Motion Measurement System unveiled.


Arne Hubregtse President of MARIN


report 3


2009 has certainly proved a challenging year for our industry but hopefully, the year has still been a rewarding one. In this edition of Report, Raimo Hamalainen, Head of Hydrodynamics of STX Finland, STX Europe, talks about the challenges presented by the develop- ment of Royal Caribbean’s Oasis of the Seas cruise liner, the largest cruise ship in the world. There is also a separate article about the model testing involved in the development of the cruise liner and how this next generation in cruising is matched by its equivalent in model testing.


As 2009 comes to a close, MARIN wanted to high- light one of the fundamental building blocks of this industry – the art of measuring. Without precision accuracy, it would be almost impossible to push the boundaries of vessel design forward. Quality measurements are vital.


Readers will see how the new quasi-steady measurement technique is used to help improve propulsion testing. Propeller observations are also being improved with a new borescope technique. Now more detailed propeller observations in a wider range of light conditions are possible. New techniques have also seen the development of an Underwater Measurement System and several Joint Industry Projects are exploring measurement techniques. For instance, MARIN has developed new means to measure full, and large-scale sloshing impacts within the Sloshel project.


MARIN wishes you and your family good health and happiness for the New Year. We do hope that you enjoy this issue and meanwhile, we aim to continue to measure up to your expecta- tions in 2010!


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