Investigation on Maneuverability of a POD Propulsion Ship by Free-Running Model Experiments

This study is focused on a maneuverability of a ship driven by POD propulsion systems which is widely used in cruise ships. Although the construction of these ships is not popular in Japan, many ships are coming to Japanese ports, which introduces the necessity to assess the maneuverability and fairway for the safety navigation. However, the maneuverability as well as the reliable prediction method are not sufficient comparing with the conventional propeller-rudder ships. A lot of numerical simulations were provided in the previous researches, however, there was little verification by model tests or full-scale trials. In this paper, the authors show the results of free-running model tests and investigations of the maneuverability with POD propulsion ships. For the experiments, a compact POD propulsion and steering system has been developed. In the experiments, fin size and shape that is attached on the strut or bottom of POD and the location of propeller were altered. The effects of them on the maneuverability are examined in detail. As the results, it can be confirmed that the course stability and the steering quality are improved by the attachment of the fin. The effects of propeller location are not change in case of the attachment of the fin.

Language

  • English
  • Japanese

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Filing Info

  • Accession Number: 01768379
  • Record Type: Publication
  • Source Agency: Japan Science and Technology Agency (JST)
  • Files: TRIS, JSTAGE
  • Created Date: Dec 24 2020 3:23PM