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Study on full scale maneuverability using RANS

Research Project

Project/Area Number 15K18296
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Naval and maritime engineering
Research InstitutionNational Institute of Maritime, Port and Aviation Technology

Principal Investigator

Araki Motoki  国立研究開発法人海上・港湾・航空技術研究所, その他部局等, 主任研究員 (00711350)

Research Collaborator Ohashi Kunihide  国立研究開発法人 海上・港湾・航空技術研究所, その他部局等, 上席研究員
Project Period (FY) 2015-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2016: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2015: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Keywords尺度影響 / 船舶操縦性 / 船尾流場 / 船舶流体力学 / 数値流体力学 / 操縦性数学モデル
Outline of Final Research Achievements

Nowadays due to the regulation of vessel's greenhouse gas emission, new built vessels need to install downsizing engines and existing vessel required to operate in low-speed which degrades the vessel's maneuverability. Therefore predicting full scale ship maneuverability becomes more strict than ever. However conventional maneuverability predictions are based on experiments using small model ship which could include some error between model scale and full scale maneuverability.
Therefore, in this research, computational fluid dynamics (CFD) using Reynolds-averaged Navier-Stokes (RANS) equation are applied to predict full scale maneuverability. The subject ship is tanker type vessel and full scale and model scale maneuvering simulations are conducted to clarify the scale effects on maneuverability.

Report

(4 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Research-status Report
  • 2015 Research-status Report
  • Research Products

    (2 results)

All 2018 2015

All Presentation (2 results) (of which Int'l Joint Research: 2 results)

  • [Presentation] A STUDY OF SCALE EFFECTS ON SHIP MANEUVERABILITY USING RANS2018

    • Author(s)
      Motoki Araki
    • Organizer
      The 37th International Conference on Ocean, Offshore & Arctic Engineering
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Effects of Rudder Horn and Propeller Hub Vortex on CFD Manoeuvring Simulations2015

    • Author(s)
      Motoki Araki
    • Organizer
      MARSIM2015
    • Place of Presentation
      Newcastle University (UK)
    • Year and Date
      2015-09-08
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research

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Published: 2015-04-16   Modified: 2019-03-29  

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