TAKAGI Youhei

Organization

Faculty of Engineering, Division of Systems Research

Date of Birth

1977

Research Fields, Keywords

Turbulence, Drag Reduction, Computational Fluid Dynamics


写真a

Graduate School 【 display / non-display

  • 2001.04
    -
    2006.03

    Tokyo Institute of Technology  Graduate School, Division of Science and Engineering  Department of Mechanical and Aerospace Engineering  Doctor Course  Completed

Degree 【 display / non-display

  • Doctor (Engineering) -  Tokyo Institute of Technology

  • Master( Engineering) -  Tokyo Institute of Technology

External Career 【 display / non-display

  • 2011.09
    -
    2017.03

    Osaka University   Graduate school of Engineering Science   Assistant Professor  

  • 2009.01
    -
    2011.08

    Shizuoka University   Faculty of Engineering   Assistant Professor  

  • 2006.04
    -
    2008.12

    National Maritime Research Institute   CFD Research Center   Researcher  

Field of expertise (Grants-in-aid for Scientific Research classification) 【 display / non-display

  • Naval and maritime engineering

 

Research Career 【 display / non-display

  • Numerical simulation of oil spill due to tsunami and development of the method for reducing the disaster impact

    Cooperative Research  

    Project Year:  -   

     View Summary

    A numerical simulation for predicting the impact of oil spill disaster triggered by large tsunami at chemical industrial park is carried out, and a method for reducing the impact is developed.

  • Study on drag reduction effect of hydrogel ship painting with meso-scale model

    Grant-in-Aid for Scientific Research  

    Project Year:  -   

     View Summary

    To clarify the drag reduction effect of hydrogel painting, a meso-scale model for connecting the macro scale fluid motion with the micro scale structure of painting polymer is developed, and the relation between vortex motion and turbulent dynamics is investigated.

  • Prediction of ship propulsion resistance with machine learning

    The Other Research Programs  

    Project Year: 2017.04  -   

     View Summary

    Experimental and numerical data for ship towing tank test are used as the test data of machine learning, and the innovative prediction system for the propulsion resistance of new ship model is developed with low computational cost.

Books 【 display / non-display

  • Applications to Marine Disaster Prevention: Spilled Oil and Gas Tracking Buoy System

    N. Kato, M. Choyekh, S. S. Rathour, Y. Takagi, T. Ochi and H. Suzuki (Part: Joint Work , Range: 数値モデルの開発及び解析結果の検証について分担執筆。 )

    Springer  2016.09 ISBN: 978-443155989

     View Summary

    深海から噴出した天然ガスを含む重油の流出挙動を検知するための海洋探索システム及び数値モデルの構築について概説した。

    Amazon

Thesis for a degree 【 display / non-display

  • 一様乱流におけるmulti-mode stretched spiral vortexの形成と乱流生成過程の研究

    高木 洋平 

      2006.03  [Refereed]

    Doctoral Thesis   Single Work

     View Summary

    東京工業大学(理工学研究科機械宇宙システム専攻) 一様等方乱流及び一様せん断乱流の直接数値計算を行い、渦管・渦層構造を選択的に抽出する手法を用いて多重モードスパイラル伸長渦の形成過程を明らかにし、モードによって乱流中のエネルギーカスケードに寄与する役割が異なることを示した。

Papers 【 display / non-display

  • Numerical and Experimental Evaluation of Tsunami Hydrodynamic Force on Structures of Oil Storage Tanks

    Suzuki Hiroyoshi, Takagi Youhei

    Journal of Japan Society for Safety Enginennring ( Japan Soceiety for Safety Engineering )  58 ( 1 )   16 - 22   2019

    Joint Work

    DOI CiNii

  • Numerical Prediction of the Oil Spill Triggered from Tsunami at the Japan Coastal Area with Chemical Complex

    Youhei Takagi

    Proceedings of The 12th International Seminar of Port-city Universities League     76 - 80   2018.10

    Single Work

     View Summary

    Youhei Takagi, “Numerical Prediction of the Oil Spill Triggered from Tsunami at the Japan Coastal Area with Chemical Complex”, Proceedings of The 12th International Seminar of Port-city Universities League, pp.76-80, October 16-17, 2018. http://www.pul.ynu.ac.jp/jp/index.html

  • Experimental and numerical analysis of tsunami triggered oil spill from storage tanks

    W. P. Kyaw, J. Liu, Y. Takagi, H. Suzuki and N. Kato

    The Twenty-seventh (2017) International Ocean and Polar Engineering Conference (ISOPE-2017)     2017.06

    Joint Work

  • Numerical analysis of tsunami-triggered oil spill from industrial parks in Osaka Bay

    Wai Phyo Kyaw,Michiaki Sugiyama,Yohei Takagi,Hiroyoshi Suzuki,Naomi Kato

    ScienceDirect   50   325 - 336   2017.04  [Refereed]

    Joint Work

    DOI

  • Numerical simulation of methane seeping from the seabed in the Japan Sea

    Y. Takagi, S. Kawahara, Y. Okano and N. Kato

    Journal of Chemical Engineering of Japan ( SOC CHEMICAL ENG JAPAN )  50 ( 4 )   244 - 253   2017.04  [Refereed]

    Joint Work

    Web of Science DOI

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Presentations 【 display / non-display

  • The effect of liquid-gas interactions on plume structures in blowout

    T. Ochi, Y. Takagi, Y. Okano, N. Kato.

    Proceedings of the Twenty-fifth (2015) International Ocean and Polar Engineering Conference (ISOPE-2015)  ( Hawaii, USA, Kona)  2015.06.21  

  • Numerical prediction for the methane gas rising from seabed in deep water

    Y. Takagi, Y. Okano, N. Kato.

    Proceedings of the Twenty-fifth (2015) International Ocean and Polar Engineering Conference (ISOPE-2015)  (Hawaii, USA, Kona)  2015.06.21  

  • Capability of OpenFOAM and its application in process engineering

    Y. Takagi  [Invited]

    Jiangsu University, China  (China)  2015.06  

Preferred joint research theme 【 display / non-display

  • Diffusion prediction of environment pollutant

  • Utilization of high-end CAE

  • Development of drag reduction technique