An analysis method to evaluate the added resistance in short waves considering bow wave breaking

BongJun Choi, Rene Huijsmans

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

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Abstract

A bow wave breaking is one of the most prominent factors to be considered regarding the nonlinearity of added resistance for a ship. Considering the stability of the bow wave breaking, which is mostly influenced by the ship speed and the waterline entrance angle, can enhance understanding of the nonlinearity. Understanding of the nonlinearity can be improved by considering the stability of the bow wave breaking, which is mostly influenced by the ship speed and the waterline entrance angle. New transfer function containing the ship speed is proposed to make a better representative of the nonlinearity. This method is evaluated with the model test data of the Fast Displacement Ship (FDS) under the short waves condition (λ/L= 0.4). This study has shown that new transfer function can be an efficient analysis method of the ship performance prediction offering intuitive consistency with proposed residual resistance concept. The findings lead to better understanding the nonlinearity considering bow wave breaking.
Original languageEnglish
Title of host publicationProceedings of the12th International Conference on Hydrodynamics-ICHD 2016
EditorsR.H.M. Huijsmans
Number of pages10
Publication statusPublished - 2016
EventICHD 2016: 12th International Conference on Hydrodynamics - Egmond aan Zee, Netherlands
Duration: 18 Sep 201623 Sep 2016

Conference

ConferenceICHD 2016: 12th International Conference on Hydrodynamics
CountryNetherlands
CityEgmond aan Zee
Period18/09/1623/09/16

Keywords

  • Ship hydrodynamics resistance
  • propulsion
  • powering
  • seakeeping
  • manoeuvrability
  • slamming
  • sloshing
  • impact
  • green water

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