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Publications
Papanikolaou, A., Zaraphonitis, G., Bitner-Gregersen , E., Shigunov, V., El Moctar, O., Guedes Soares, C., Reddy, D.N. and Sprenger, F. (2015), “Minimum Propulsion and Steering Requirements for Efficient and Safe Operation (SHOPERA)”, 37th Motorship Propulsion & Emissions Conference (Motorship 2015), 4-5 March 2015, Hamburg, Germany.
The 2012 guidelines on the method of calculation of the attained Energy Efficiency Design Index (EEDI) for new ships, MEPC.212(63), as updated by MEPC 245.66 in April 2014, represent a major step forward in implementing energy efficiency regulations for ships through the introduction of the EEDI limits for various types of ships. There are, however, concerns regarding the sufficiency of propulsion power and steering devices to maintain manoeuvrability of ships in adverse conditions, if the EEDI requirements are achieved by simply reducing the installed engine power. This was the rationale for a new EU funded research project with the acronym SHOPERA (2013-2016), aiming at developing suitable methods, tools and guidelines to effectively address the above concerns. The paper discusses the background of the ongoing research in project SHOPERA, presents early and intermediate results of the project and discusses certain fundamental issues regarding the formulation of proper criteria for ship’s manoeuvrability under adverse conditions.
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