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Tokunaga Atsushi  徳永 敦士

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TOKUNAGA Atushi  徳永 敦

TOKUNAGA Atsushi  敦士 敦士

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Researcher Number 20609797
Affiliation (Current) 2025: 宇部工業高等専門学校, 機械工学科, 准教授
Affiliation (based on the past Project Information) *help 2019 – 2022: 宇部工業高等専門学校, 機械工学科, 准教授
2015: 宇部工業高等専門学校, 機械工学科, 准教授
2014: 宇部工業高等専門学校, その他部局等, 助教
2012 – 2014: 宇部工業高等専門学校, 機械工学科, 助教
2011: 独立行政法人国立高等専門学校機構 宇部工業高等専門学校, 機械工学科, 助教
Review Section/Research Field
Principal Investigator
Basic Section 19020:Thermal engineering-related / Nano/Microsystems / Thermal engineering
Except Principal Investigator
Composite materials/Surface and interface engineering
Keywords
Principal Investigator
伝熱促進 / MEMS / 滴状凝縮 / 熱工学 / マイクロ複合伝熱面 / 濡れ性勾配 / 凝縮伝熱促進 / 濡れ性こう配 / 機能性伝熱面 / マイクロ・ナノ伝熱 … More
Except Principal Investigator
… More 高温材料 / ナノ複合材料 / 高強度材料 / 2ホウ化チタン / 破壊靭性値 / 複合材 / Al3Ti / TiB2 / 曲げ強度 / ビッカース硬度 / 金属間化合物 / 複合材料 Less
  • Research Projects

    (4 results)
  • Research Products

    (20 results)
  • Co-Researchers

    (4 People)
  •  Enhancement of Condensation Heat Transfer on Bi-philic Condensing Surface with Wettability Gradient and the Application to Fuel CellsPrincipal Investigator

    • Principal Investigator
      Tokunaga Atsushi
    • Project Period (FY)
      2019 – 2022
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 19020:Thermal engineering-related
    • Research Institution
      Ube National College of Technology
  •  Development of TiB2-Al3Ti Composite of nano-sized TiB2 particles

    • Principal Investigator
      Yoshida Masashi
    • Project Period (FY)
      2013 – 2015
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Composite materials/Surface and interface engineering
    • Research Institution
      Ube National College of Technology
  •  Enhancement of Phase Change Heat Transfer on Micro-structured Surface and Application to Micro Heat PipePrincipal Investigator

    • Principal Investigator
      Tokunaga Atsushi
    • Project Period (FY)
      2013 – 2015
    • Research Category
      Grant-in-Aid for Young Scientists (B)
    • Research Field
      Nano/Microsystems
    • Research Institution
      Ube National College of Technology
  •  Study on Fabrication of Hydrophobic and Hydrophilic Micro-structured Condensing Surface and Enhancement of Condensation Heat TransferPrincipal Investigator

    • Principal Investigator
      TOKUNAGA Atsushi
    • Project Period (FY)
      2011 – 2012
    • Research Category
      Grant-in-Aid for Research Activity Start-up
    • Research Field
      Thermal engineering
    • Research Institution
      Ube National College of Technology

All 2023 2022 2020 2019 2015 2013 2012 2011 Other

All Journal Article Presentation

  • [Journal Article] Enhancement of condensation heat transfer on a microstructured surface with wettability gradient2020

    • Author(s)
      Tokunaga Atsushi, Tsuruta Takaharu
    • Journal Title

      International Journal of Heat and Mass Transfer

      Volume: 156 Pages: 119839-119839

    • DOI

      10.1016/j.ijheatmasstransfer.2020.119839

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-19K04227
  • [Journal Article] 液滴輸送による凝縮熱伝達促進2020

    • Author(s)
      鶴田隆治,徳永敦士
    • Journal Title

      冷凍

      Volume: 95 Pages: 15-18

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19K04227
  • [Journal Article] "Effect of Micro-structured Surface on Dropwise Condensation Heat Transfer"2013

    • Author(s)
      Atsushi Tokunaga, Masaki Mizutani,Gyoko Nakayama, Takaharu Tsuruta,
    • Journal Title

      Proceedings of ASME 2013 11th International Conference on Nanochannels,Microchannels and Minichannels

      Volume: (掲載確定)

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23860063
  • [Journal Article] "Condensation Heat Transfer on A Micro-structured Surface with Hydrophobic and Hydrophilic Patterns"2012

    • Author(s)
      Atsushi Tokunaga, Shota Yamawaki,Gyoko Nakayama, Takaharu Tsuruta
    • Journal Title

      Proceedings of The Eighth KSME-JSME Thermal and Fluids Engineering Conference, 2012

      Volume: FR11-013

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23860063
  • [Presentation] 周期的濡れ性勾配を有する複合伝熱面による伝熱促進効果2023

    • Author(s)
      徳永敦士
    • Organizer
      第60回伝熱シンポジウム
    • Data Source
      KAKENHI-PROJECT-19K04227
  • [Presentation] 周期的な濡れ性勾配を有する複合伝熱面による凝縮伝熱促進に関する研究2022

    • Author(s)
      山一 伶太, 徳永 敦士
    • Organizer
      熱工学コンファレンス2022
    • Data Source
      KAKENHI-PROJECT-19K04227
  • [Presentation] 濡れ性勾配による滴状凝縮の液滴輸送効果に関する実験的検討2020

    • Author(s)
      徳永敦士, 鶴田隆治
    • Organizer
      第57回日本伝熱シンポジウム
    • Data Source
      KAKENHI-PROJECT-19K04227
  • [Presentation] CONDENSATION HEAT TRANSFER ON BI-PHILIC SURFACE WITH WETTABILITY GRADIENT2019

    • Author(s)
      Atsushi TOKUNAGA, Takaharu TSURUTA
    • Organizer
      The Second Pacific Rim Thermal Engineering Conference
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K04227
  • [Presentation] 濡れ性勾配を有するマイクロ複合伝熱面における 凝縮熱伝達率の測定2015

    • Author(s)
      徳永敦士,平野貴憲,長山暁 子,鶴田隆治
    • Organizer
      第52回 日本伝熱シンポジウム
    • Place of Presentation
      福岡国際会議場
    • Year and Date
      2015-06-03
    • Data Source
      KAKENHI-PROJECT-25871042
  • [Presentation] 濡れ性勾配を有するマイクロ複合伝熱面における凝縮熱伝達2013

    • Author(s)
      水谷政樹,徳永敦士,長山暁子,鶴田隆治
    • Organizer
      日本機械学会九州支部鹿児島講演会
    • Place of Presentation
      鹿児島大学
    • Data Source
      KAKENHI-PROJECT-25871042
  • [Presentation] Effect of Micro-structured Surface on Dropwise Condensation Heat Transfer2013

    • Author(s)
      Atsushi Tokunaga, Masaki Mizutani, Gyoko Nakayama and Takaharu Tsuruta
    • Organizer
      ASME 2013 11th International Conference on Nanochannels, Microchannels and Minichannels
    • Place of Presentation
      Hokkaido University
    • Data Source
      KAKENHI-PROJECT-25871042
  • [Presentation] Effect of Micro-structured Surface on Dropwise Condensation Heat Transfer2013

    • Author(s)
      Atsushi TOKUNAGA
    • Organizer
      ASME 2013 11th International Conference on Nanochannels, Microchannels and Minichannels
    • Place of Presentation
      Hokkaido University (Hokkaido, Japan)
    • Data Source
      KAKENHI-PROJECT-23860063
  • [Presentation] "Effect of Micro-structured Surface on Dropwise Condensation Heat Transfer"2013

    • Author(s)
      Atsushi Tokunaga, Masaki Mizutani,Gyoko Nakayama, Takaharu Tsuruta
    • Organizer
      ASME 2013 11th International Conference on Nanochannels
    • Place of Presentation
      Hokkaido University (Hokkaido, Japan)
    • Year and Date
      2013-06-17
    • Data Source
      KAKENHI-PROJECT-23860063
  • [Presentation] "Condensation Heat Transfer on A Micro-structured Surface with Hydrophobic and Hydrophilic Patterns2012

    • Author(s)
      Atsushi Tokunaga, Shota Yamawaki,Gyoko Nakayama, Takaharu Tsuruta
    • Organizer
      on Heat Transfer on A Micro-structured Surface with Hydrophobic and Hydrophilic Patterns
    • Place of Presentation
      Songdo Convensia Center (Incheon,Korea)
    • Year and Date
      2012-03-19
    • Data Source
      KAKENHI-PROJECT-23860063
  • [Presentation] 「マイクロ構造を有する凝縮面上の熱伝達特性」,第49回日本伝熱シンポジウム2012

    • Author(s)
      徳永敦士,水谷政樹,長山暁子,鶴田隆治
    • Organizer
      第49回日本伝熱シンポジウム
    • Place of Presentation
      富山国際会議場(富山県)
    • Year and Date
      2012-05-31
    • Data Source
      KAKENHI-PROJECT-23860063
  • [Presentation] マイクロ構造を有する凝縮面上の熱伝達特性2012

    • Author(s)
      徳永敦士
    • Organizer
      第49回日本伝熱シンポジウム
    • Place of Presentation
      富山国際会議場(富山県)
    • Data Source
      KAKENHI-PROJECT-23860063
  • [Presentation] Condensation Heat Transfer on A Micro-structured Surface with Hydrophobic and Hydrophilic Patterns2012

    • Author(s)
      Atsushi Tokunaga
    • Organizer
      The Eighth KSME-JSME Thermal and Fluids Engineering Conference
    • Place of Presentation
      Songdo Convensia Center (Incheon)
    • Year and Date
      2012-03-19
    • Data Source
      KAKENHI-PROJECT-23860063
  • [Presentation] 「疎水・親水マイクロパターン面上の凝縮熱伝達」2011

    • Author(s)
      山脇将太,徳永敦士,長山暁子,鶴田隆治
    • Organizer
      第48回日本伝熱シンポジウム
    • Place of Presentation
      岡山コンベンションセンター(岡山県)
    • Year and Date
      2011-06-01
    • Data Source
      KAKENHI-PROJECT-23860063
  • [Presentation] 濡れ性こう配を有するマイクロ構造複合伝熱面上の凝縮熱伝達

    • Author(s)
      水谷政樹,徳永敦士,長山暁子,鶴田隆治
    • Organizer
      第51回日本伝熱シンポジウム
    • Place of Presentation
      アクトシティ浜松・コングレスセンター(静岡,浜松)
    • Year and Date
      2014-05-21 – 2014-05-23
    • Data Source
      KAKENHI-PROJECT-25871042
  • [Presentation] Condensation Heat Transfer Characteristics on A Micro-structured Surface With Wettability Gradient

    • Author(s)
      Atsushi TOKUNAGA, Masaki MIZUTANI, Gyoko NAGAYAMA and Takaharu TSURUTA
    • Organizer
      The 15th International Heat Transfer Conference
    • Place of Presentation
      Kyoto International Conference Center(Kyoto, Japan)
    • Year and Date
      2014-08-10 – 2014-08-15
    • Data Source
      KAKENHI-PROJECT-25871042
  • 1.  Yoshida Masashi (10370024)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 2.  TOKUNAGA Hitoo (70435460)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 3.  TSURUTA TAKAHARU (30172068)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 5 results
  • 4.  NAGAYAMA GYOKO (60370029)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 4 results

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