Browsing NTNU Open by Author "Sasa, Kenji"

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    • Comparison of ship’s speed loss in waves in some numerical simulation methods 

      Sasa, Kenji; Faltinsen, Odd Magnus; Kashiwagi, Masashi (Journal article, 2017)
      This study evaluates the difference in speed loss, engine power, and fuel oil consumption of a bulk carrier from the viewpoint of weather routing. The evaluation of speed loss is important as speed loss influences accurate ...

    • Development and validation of speed loss for a blunt-shaped ship in two rough sea voyages in the Southern Hemisphere 

      Sasa, Kenji; Faltinsen, Odd Magnus; Lu, Li-Feng; Sasaki, Wataru; Prpic-Orsic, Jasna; Kashiwagi, Masashi; Ikebuchi, Taruko (Journal article; Peer reviewed, 2017)
      Maritime transportation is becoming increasingly complex owing to the fluctuation of oil prices, the introduction of environmental guidelines, and the onset of climate change. Although optimal routing has been researched ...

    • Evaluation of speed loss in bulk carriers with actual data from rough sea voyages 

      Sasa, Kenji; Takeuchi, Kaichi; Chen, Chen; Faltinsen, Odd Magnus; Prpic-Orsic, Jasna; Valcic, Marko; Mrakovcic, T.; Herai, Naoki (Journal article; Peer reviewed, 2019)
      The evaluation of speed loss is the most important studies in the optimal ship routing. However, the mode of speed loss during rough sea voyages is complicated because of the involvement of the human factor. A speed loss ...

    • Uncertainties of Ship Speed Loss Evaluation Under Real Weather Conditions 

      Prpic-Orsic, Jasna; Sasa, Kenji; Valcic, Marko; Faltinsen, Odd Magnus (Chapter, 2018)
      A correct assessment of the ship speed loss in conditions of exploitation is becoming increasingly important for ship owners as well as ship designers. We are witnessing the increasing concern for the environment and ...