editorial Dear Reader, 6 Shell goes ‘back to basics’ in its search for energy


efficiency Energy saving at Shell is an intrinsic part of its business. David Connolly, Shell Lead Principal Maritime and Marine Technologist at Shell Shipping & Marine Technology, tells Report how energy saving is basically good business practice.


9 Barge optimisation leads to cuts in fuel consumption MARIN has a specialist inland waterway transport team dedicated to improving the


performance of inland vessels. Already tests show that impressive fuel savings of at least 10% to 20% are possible.


12 MARIN launches BlueWeek During this new JIP week, seminars and Joint Industry Projects focussing on


renewable energy and nature-inspired solutions will be presented.


14 ReFRESCO plays major role in understanding and designing Energy Saving Devices The advantages of using ReFRESCO to study ESDs are explored.


16 Retrofitting for energy savings and emissions reduction MARIN helps analyse the value of retrofitting in terms of energy savings and


emissions reduction.


18 Design for Sea – Design for Efficiency The “Design For Sea” JIP aims to show the impact of a ship designed for service on


the Energy Efficiency Design Index.


20 Improved hull optimisation using PARNASSOS Explorer MARIN’s in-house RANS optimisation tool PARNASSOS Explorer is helping the


industry discover more about the optimal hull form in order to improve performance and save energy.


22 Designed for waves Platform Supply Vessels are the ultimate challenge when it comes to ship design.


While calm water performance is important, for these ships harsh weather conditions and high sea states are their playground. Havyard asked MARIN to perform model tests for its new vessels.


23 First ever investigation into VSP-induced hull-pressure fluctuations For the first time an investigation into Voith Schneider Propulsor-induced hull- pressure fluctuations has been carried out as part of a New York City Department of Transportation study to retrofit the Molinari Class Ferries. Energy efficiency was one of the objectives.


The maritime industry has a businesslike culture. We like the hard facts. We want to keep both feet on the ground. On the other hand: we want to develop new ships and products, we want to contribute to the needs of society, we want to innovate. There is - to say the least - some dis- parity between these attitudes. You will perhaps see some of this tension in this issue of Report, focusing on energy efficiency.


On one hand you can say: what’s new? This is what we have been doing for more than 80 years! And it is true. MARIN started helping Dutch ship- owners make their ships better eight decades ago. A lot has been achieved – from the systematic Wageningen B propeller series to optimised bulbous bows and complex sterns. However, we want to become better and better, with new measurement techniques, the application of CFD and continual feedback from sea trials. We want to be practical. This is what you will see in articles about the Havyard offshore supply vessels and Staten Island Ferries. And this does not stop with resistance and propulsion in calm water; real energy efficiency has to be evaluated over the complete operational profile of the ship, in wind and waves.


But we want to combine this with some dreaming, with innovation. Somebody defined good innova- tion recently as: “Know what you are doing, even if you don’t know you are doing”. Innovation has uncertain results and an uncertain process. But if you are not willing to dream or fail, innovation stops. That is why MARIN is launching the


BlueWeek (March 17-19, 2014). The seminars and Joint Industry Projects in the BlueWeek highlight inspiring alternative propulsion mechanisms based on the natural movement of fishes, mammals or insects, natural propulsion through wind power or sun, and energy production taking advantage of the avail-the avail- able sources of power such as wind, sun, waves or curr So please enjoy this MARIN Report and do come along to the first BlueWeek!


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