editorial


6 Dr Eduardo Minguito Cardeña reflects on his 40-year career as he retires from NAVANTIA On the eve of his retirement Report interviewed Eduardo about his views on the growth of CFD use and why he has always chosen to return to MARIN over the decades.


9 Virtual Ship - smart navigation that saves fuel! MARIN has developed a prototype, navigational aid system that advises inland skippers


on the optimal track and RPM during their voyages.


10 Screening for extreme wave events Extreme waves can have significant consequences for ships and offshore structures at


sea. Several wave impact indicators were studied for a variety of applications.


12 Foiling future and the Wageningen -Series JIP proposal Renewed interest in the use of foiling triggers new research efforts and a


Joint Industry Project proposal.


14 Comparing azimuthing thrusters and conventional shaftlines for pushboat-barge convoys Azimuthing thrusters can serve as an interesting alternative to fixed propellers. But how does this affect powering performance and efficiency?


15 MARIN research plays key role in new government guidelines for inland waterways in rivers Results from research were integrated into an extended version of the RVW 2017, including guidelines for dimensioning the waterway in a free-flowing river.


16 MARIN and the Dutch government join forces to examine the navigational safety of inland ships in shallow water A large-scale investigation on prediction and modelling of sailing performance on rivers and in confined waters.


18 Impact of draught on transport capacity of a pushboat-barge convoy Trip analysis as a tool for analysing operational costs of a pushboat barge convoy in different loading conditions sailing upstream on the River Rhine.


When I became MARIN President some 10 years ago, the general attitude was ‘wait and see’. It was all too easy to have the common response to the challenge of climate change - ‘we need a level playing field’. But things have changed. As the maritime sector we now take the initiative. Internationally IMO adopted a new strategy on the reduction of greenhouse gas emissions. In Europe, the Waterborne Technology Platform initiated a Strategic Research Agenda with clear and ambitious goals.


In the Netherlands the Dutch maritime sector and government agreed on a ‘Green Deal on Maritime and Inland Shipping and Ports’. There are also signs of a general ‘Green Deal’ in Europe, with a clear move from road to waterborne transport.


So there is a transition to ambition. As MARIN we want to contribute to this with our focus on ‘zero emissions’. We want to stimulate innovation in this field and contribute with the facts. This is important, because there are still many questions. What are the fuels of the future? And what are the ways to transfer their energy to efficient propulsion for our ships in all circumstances?


One thing is certain. Cooperation is the key to success of this transition process. We have to give up old positions and start to travel together towards new horizons. We have to bring different worlds together: shipping and shipyards, traditional offshore with renewable energy at sea, idealism with realism... That is why MARIN is combining its BlueWeek (Renewable Ocean Energy, Blue Life, Natural Propulsion and Zero Emission Shipping) in 2020 with the FPSO JIP Week in Rotterdam (May 25- 29). This combination fits our mission perfectly: Better Ships, Blue Oceans!


Dear Reader,


A transition to ambition. This is how I would summarise the change in recent years with respect to sustainability in the maritime sector. I observe that shipping companies to shipyards now take their responsibility seriously and see opportunities with respect to sustainable shipping.


Bas Buchner President


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