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Mat Konferencji Electric & Hybrid marine Expo 2017

Mat Konferencji Electric & Hybrid marine Expo 2017

Amsterdam,  6-8 June 2017

 

Marek Narewski
Polski Rejestr Statków S.A., Gdańsk
E-mail: m.narewski@prs.pl

 

Electrically powered ferry propulsion power estimation in underpowered operational conditions

 

In 2014 authors performed short engineering analysis of small electrically propelled  inland passenger ships. Operational experience gave evidence that in certain weather conditions the phenomena of added aerodynamic resistance  may have serious influence on ship speed and manoevurability. Existing regulations do not provide any requirements or guidelines on prediction of air or hydrodynamic resistance or propulsion power  in design process. The case is important when electrical or hybrid propulsion is prime mover. The presentation describes results of  for engineering analysis of ship design  to verify the influence of aerodynamic resistance on propulsion system power selection and performance.