SAKAGUCHI Daisaku 坂口大作

… Alternative Names

坂口大作サカグチダイサク

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Researcher Number	70244035
Other IDs
External Links
Affiliation (Current)	2025: 長崎大学, 総合生産科学研究科(工学系), 教授
Affiliation (based on the past Project Information) *help	2016 – 2023: 長崎大学, 工学研究科, 教授 2011 – 2013: 長崎大学, 工学(系)研究科(研究院), 准教授 2010: Nagasaki University, 工学部, 准教授 2008 – 2009: Nagasaki University, 生産科学研究科, 助教 2005: Nagasaki University, Graduate School of Science & Technology, Research Associate, 大学院生産科学研究科, 助手 … More 2004 – 2005: 長崎大学, 大学院・生産科学研究科, 助手 1998 – 1999: 長崎大学, 工学部, 助手 1998: 長崎大学, 工学部, 教授 1996: 長崎大学, 工学部, 助手 1994: 長崎大学, 工学部, 助手 Less
Review Section/Research Field	Principal Investigator Fluid engineering / Basic Section 19010:Fluid engineering-related / Thermal engineering / Fluid engineering Except Principal Investigator Thermal engineering / Fluid engineering / Basic Section 24020:Marine engineering-related / Fluid engineering
Keywords	Principal Investigator 半導体レーザ / 多目的最適化 / 人工知能 / レーザ計測 / 流体計測 / 散乱光 / レーザ流速計 / スマートブイ / 多目的最適化設計 / 潮流タービン … More / ニューラルネットワーク / 流体工学 / 遺伝的アルゴリズム / 人工神経回路網 / 遠心圧縮機 / 数値流体力学 / 小弦節比翼列ディフューザ / ケーシングトリートメント / サージ / 最適化 / 流体機械 / 三次元流れ / ドップラー効果 / レーザー / バンドルファイバ / 2焦点流速計 / ディーゼル噴霧 / 輻射エネルギ / 光センサ / 温度計 / 半導体位置検出素子 … More Except Principal Investigator ディフューザ失速 / 遠心送風機 / インデューサ失速 / 低流量域不安定流動 / 最適設計 / 浮沈式システム / ディフューザ付きタービン / 浮沈式 / シュラウド・タービン / 浮沈式発電装置 / 奈留瀬戸 / 実海域試験 / 浮沈式潮流発電システム / 肉厚シュラウドタービン / 浮沈式装置 / ディフューザー付きタービン / ロープ係留 / 浮沈式潮流発電装置 / 実海域実験 / 潮流発電 / Surge Margin / Inlet Guide Vane / Pre-whirl Control / Inlet Recirculation / Inducer Stall / CFD Analysis / Unstable Flow / Centrifugal Blower / 予旋回 / インデゥーサ失速 / サージマージン / ガイドベーン / 予旋回制御 / 入口循環流 / CFD解析 / CROSS CORRELATION OF VELOCITY AND TEMPERATURE / SPATIAL CORRELATION OF TURBULANCE / LASER 2-FOCUS VELOCIMETER / OPTICAL FIBER THERMOMETER / FLAME TEMPERATURE / TURBULENT FLOW / DIFFUSION FLAME / 火災温度 / 拡散火災 / 流速温度相互相関 / 乱れ空間相関 / レーザ2焦点流速計 / 光ファイバー温度計 / 火炎温度 / 乱流 / 拡散火炎 / INLET RECIRCULATION / WALL ROUGHNESS CONTROL / STALL MARGIN / INDUCER STALL / DIFFUSER STALL / 3-D SEPARATION / UNSTABLE FLOW / CENTRIFUGAL BLOWER / 人工循環流形成 / 入口循環流形成 / 壁面粗さ制御 / ストールマージン改善 / 三次元剥離 / 自己相関係数解析 / パワースペクトル密度解析 / 等方性乱れ / 火炎の乱れ強さ / 半導体レーザ2焦点流速計 / 光ファイバ温度計 / 定常乱流拡散火炎 / ディーゼル機関 / 圧力変動自己相関係数 / 流速変動相互相関係数 / 異常流動検知 / 旋回失速 / 低流量域 / 流体機械 Less

Development of a slant type tidal turbine for small marine research buoys with an independent power supply systemPrincipal Investigator
- Principal Investigator
  
  Sakaguchi Daisaku
- Project Period (FY)
  2021 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 19010:Fluid engineering-related
- Research Institution
  Nagasaki University
Demonstration experiments of a floating/submersible shrouded tidal current power system
- Principal Investigator
  
  Kyozuka Yusaku
- Project Period (FY)
  2019 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 24020:Marine engineering-related
- Research Institution
  Nagasaki University
Global search of the self-repair function by an multi-objective optimization using neural networksPrincipal Investigator
- Principal Investigator
  
  SAKAGUCHI Daisaku
- Project Period (FY)
  2016 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Fluid engineering
- Research Institution
  Nagasaki University
Development of Doppler Global Velocimetry using a DPSS laserPrincipal Investigator
- Principal Investigator
  
  SAKAGUCHI Daisaku
- Project Period (FY)
  2011 – 2013
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Fluid engineering
- Research Institution
  Nagasaki University
Development of multi-focus particle analyzer with bundle fiberPrincipal Investigator
- Principal Investigator
  
  SAKAGUCHI Daisaku
- Project Period (FY)
  2008 – 2010
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Fluid engineering
- Research Institution
  Nagasaki University
Verification of Unstable Flow Mechanism due to Inducer Tip Leakage Vortex in a Centrifugal Blower
- Principal Investigator
  
  ISHIDA Masahiro
- Project Period (FY)
  2004 – 2005
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Fluid engineering
- Research Institution
  NAGASAKI UNIVERSITY
SUPPRESSION OF UNSTABLE FLOW IN CENTRIFUGAL BLOWERS BY THREE-DIMENSIONAL SEPARATION CONTROL
- Principal Investigator
  
  ISHIDA Masahiro
- Project Period (FY)
  1998 – 1999
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Fluid engineering
- Research Institution
  NAGASAKI UNIVERSITY
THREE DIMENSIONAL SPATIAL CORRELATION OF TEMPERATURE AND VELOCITY IN TUBULENT DIFFUSION FLAME
- Principal Investigator
  
  UEKI Hironobu
- Project Period (FY)
  1998 – 1999
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Thermal engineering
- Research Institution
  NAGASAKI UNIVERSITY
光ファイバ温度計を用いたディーゼル燃焼の乱れ特性解析
- Principal Investigator
  
  石田正弘
- Project Period (FY)
  1996
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Thermal engineering
- Research Institution
  Nagasaki University
カラーセンサを用いた半導体レーザ流速温度計の開発Principal Investigator
- Principal Investigator
  
  坂口大作
- Project Period (FY)
  1996
- Research Category
  
  Grant-in-Aid for Encouragement of Young Scientists (A)
- Research Field
  
  Thermal engineering
- Research Institution
  Nagasaki University
遠心送風機の低流量域不安定流動の検知と制御
- Principal Investigator
  
  ISHIDA Masahiro
- Project Period (FY)
  1994
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  Fluid engineering
- Research Institution
  Nagasaki University
半導体位置検出素子を用いたレーザ流速計の開発Principal Investigator
- Principal Investigator
  
  坂口大作
- Project Period (FY)
  1994
- Research Category
  
  Grant-in-Aid for Encouragement of Young Scientists (A)
- Research Field
  
  Fluid engineering
- Research Institution
  Nagasaki University

All 2023 2022 2021 2019 2018 2017 2016 2014 2010 2009 2008 2006 2005 2004

All Journal Article Presentation Book

[Book] スマート養殖技術2022
- Author(s)
  坂口大作，経塚雄策, 征矢野清
- Total Pages
  306
- Publisher
  エヌ・ティー・エス
- ISBN
  9784860438005
- Data Source
  KAKENHI-PROJECT-21K03879
[Journal Article] Tidal turbine wake characterization by vessel-mounted ADCP data analysis2023
- Author(s)
  Garcia Novo Patxi、Inubuse Masako、Terazaki Masakatsu、Matsuo Hiroshi、Archer Philip、Henzan Katsuhiro、Kyozuka Yusaku、Sakaguchi Daisaku
- Journal Title
  
  Proceedings of the European Wave and Tidal Energy Conference
  
  Volume: 15 Pages: 1-8
- DOI
  10.36688/ewtec-2023-296
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K03879
[Journal Article] Optimization of a Tidal-Wind-Solar System to Enhance Supply-Demand Balancing and Security: A Case Study of the Goto Islands, Japan2023
- Author(s)
  Garcia-Novo Patxi、Coles Daniel、Kyozuka Yusaku、Yamada Reiko、Moriguchi Haruka、Sakaguchi Daisaku
- Journal Title
  
  Sustainability
  
  Volume: 15 Issue: 12 Pages: 9147-9147
- DOI
  10.3390/su15129147
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K03879
[Journal Article] Design Optimization of a Tidal Current Turbine for Energy Harvesting Smart Buoy2022
- Author(s)
  Honda Ichiro、Wantong Wang、Nagayama Tokimune、Yamada Reiko、Yokoi Yuichi、Kyozuka Yusaku、Sakaguchi Daisaku
- Journal Title
  
  IEEE Xplore
  
  Volume: OCEANS 2021 Pages: 1-8
- DOI
  10.23919/oceans44145.2021.9705911
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K03879
[Journal Article] 浮沈式潮流発電システムの実海域実験結果2021
- Author(s)
  経塚雄策、坂口大作、烏谷隆、胡長洪
- Journal Title
  
  日本船舶海洋工学会講演会論文集
  
  Volume: 32 Pages: 623-627
- NAID
  40022809893
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19H02365
[Journal Article] Global Search of a Three-dimensional Low Solidity Circular Cascade Diffuser for Centrifugal Blowers by Meta-model Assisted Optimization2018
- Author(s)
  Sakaguchi Daisaku、Sakue Daiki、Tun Min Thaw
- Journal Title
  
  Journal of Thermal Science
  
  Volume: 27 Issue: 2 Pages: 111-116
- DOI
  10.1007/s11630-018-0991-6
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06088
[Journal Article] 多目的最適化による循環流型ケーシングトリートメントの設計2017
- Author(s)
  坂口大作
- Journal Title
  
  ターボ機械
  
  Volume: 45 Pages: 660-669
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K06088
[Journal Article] Multi-point Optimization of Recirculation Flow Type Casing Treatmentin Centrifugal Compressors2016
- Author(s)
  Min Thaw Tun, Daisaku Sakaguchi
- Journal Title
  
  Journal of Thermal Science
  
  Volume: 25 Pages: 231-241
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-16K06088
[Journal Article] Study of Heterogeneous Structure in Diesel Fuel Spray by Using Micro-Probe L2F2010
- Author(s)
  D.Sakaguchi
- Journal Title
  
  Journal of Fluid Science and Technology Vol.5
  
  Pages: 75-85
- NAID
  130000254334
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20560163
[Journal Article] L2Fを用いたディーゼル燃料噴射ノズル噴孔近傍の液滴質量分布の評価2010
- Author(s)
  駒田佳介, 坂口大作, 植木弘信, 石田正弘
- Journal Title
  
  日本機械学会論文集,B編第77巻774号
  
  Pages: 274-281
- NAID
  10026000759
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20560163
[Journal Article] Study of Heterogeneous Structure in Diesel Fuel Spray by Using Micro-Probe L2F2010
- Author(s)
  D.Sakaguchi, S.Yamamoto, H.Ueki, M.Ishida
- Journal Title
  
  Journal of Fluid Science and Technology Vol.5, No.1
  
  Pages: 75-85
- NAID
  130000254334
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20560163
[Journal Article] Study of Breakup Process in Dense Region of Diesel Fuel Spray by Micro-Probe L2F2010
- Author(s)
  D.Sakaguchi, S.Yamamoto, H.Ueki, M.Ishida
- Journal Title
  
  Prceedings of the THIESEL 2010 Conference on Thermo-and Fluid Dynamic Processes in Diesel Engines
  
  Pages: 63-74
- Data Source
  KAKENHI-PROJECT-20560163
[Journal Article] Evaluation of Weber Number of Droplets in Dense Region of Diesel Fuel Spray2008
- Author(s)
  H.Ueki, M.Ishida, D.Sakaguchi, O.Amida
- Journal Title
  
  Proceedings of the THIESEL 2008 Conference on Thermo- and Fluid Dynamic Processes in Diesel Engines
  
  Pages: 101-112
- Data Source
  KAKENHI-PROJECT-20560163
[Journal Article] Measurement of Number Density Distribution in Dense Region of Diesel Fuel Spray by Micro-Probe L2F2008
- Author(s)
  H.Ueki, M.Ishida, D.Sakaguchi, O.Amida
- Journal Title
  
  Proceedings of The 7th COMODIA
  
  Pages: 625-632
- Data Source
  KAKENHI-PROJECT-20560163
[Journal Article] Time-resolved measurement of droplets in core region of diesel fuel sprays by micro-probe L2F with mega-hertz data acquisition2008
- Author(s)
  坂口大作, 植木弘信, 石田正弘
- Journal Title
  
  Proceedings of the 14th International Symposium on Applications of Laser Techniques to Fluid Mechanics Paper No.11.2.1
- Data Source
  KAKENHI-PROJECT-20560163
[Journal Article] Measurement of High-Number-Density Droplets in Diesel Spray using Micro-Probe L2F with Mega-Hertz Data Acquisition2008
- Author(s)
  H.Ueki, M.Ishida, D.Sakaguchi, O.Amida
- Journal Title
  
  SAE Diesel Fuel Spray Injection and Sprays SP-2183
  
  Pages: 79-88
- Data Source
  KAKENHI-PROJECT-20560163
[Journal Article] アミダオルウォレ,マイクロプローブL2Fによるディーセル噴霧コア部における液滴数密度の瞬時計測2008
- Author(s)
  坂口大作、植木弘信、石田正弘
- Journal Title
  
  自動車技術会論文集 Vol.39, No.6
  
  Pages: 137-142
- Data Source
  KAKENHI-PROJECT-20560163
[Journal Article] マイクロプローブL2Fによるディーゼル噴霧コア部における液滴数密度の瞬時計測2008
- Author(s)
  坂口大作
- Journal Title
  
  自動車技術会論文集 39巻6号
  
  Pages: 137-142
- NAID
  10025528217
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20560163
[Journal Article] アミダオルウォレ,ディーセル噴霧コア部液滴の分裂に及ぼす噴射圧の影響～L2Fによるメガヘルツデータレート計測～2008
- Author(s)
  植木弘信、石田正弘、坂口大作
- Journal Title
  
  自動車技術会論文集 Vol.39、No.5
  
  Pages: 53-58
- Data Source
  KAKENHI-PROJECT-20560163
[Journal Article] Effect of Pre-whirl on Unstable Flow Suppression in a Centrifugal Impeller with Ring Groove Arrangement2006
- Author(s)
  Masahiro Ishida, Daisaku Sakaguchi, Hironobu Ueki
- Journal Title
  
  Proc.of GT2006 ASME TURBO EXPO 2006 Paper No.GT2006-90400(CD-ROM)
  
  Pages: 1-9
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16560152
[Journal Article] 遠心送風機の低流量域不安定流動の抑制(入口循環流に及ぼすガイドベーン設定角の影響)2005
- Author(s)
  坂口大作
- Journal Title
  
  日本機械学会第83期流体工学部門講演会講演概要・論文集 No.05-32,PaperNo.1510
  
  Pages: 1-4
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16560152
[Journal Article] Suppression of Unstable Flow at Small Flow Rates in a Centrifugal Blower (Analysis of Inlet Recirculation Flow Effect)2005
- Author(s)
  Shinichiro Hattori, Takayuki Matsumura, Daisaku Sakaguchi, Hironobu Ueki, Masahiro Ishida
- Journal Title
  
  Proc.of the JSME Congress-Kyushu, No.058-1
  
  Pages: 333-334
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16560152
[Journal Article] 遠心送風機の低流量域不安定流動の抑制(入口循環流に及ぼすガイドベーン設定角の影響)2005
- Author(s)
  坂口大作
- Journal Title
  
  日本機械学会流体工学部門講演会講演論文集 No.05-32,Paper No.1510
  
  Pages: 1-4
- Data Source
  KAKENHI-PROJECT-16560152
[Journal Article] Effect of Pre-Whirl on Unstable Flow Inception in a Centrifugal Impeller2005
- Author(s)
  Sakaguchi, Daisaku
- Journal Title
  
  Proceedings of the 8^<th> Asian International Fluid Machinery Conference(8^<th> AICFM) Vol.1
  
  Pages: 773-783
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16560152
[Journal Article] Optimization of Inlet Ring Groove Arrangement for Suppression of Unstable Flow in a Centrifugal Impeller2005
- Author(s)
  Masahiro Ishida, Daisaku Sakaguchi, Hironobu Ueki
- Journal Title
  
  Proc.of GT2005 ASME TURBO EXPO 2005, Paper No.GT2005-68675
  
  Pages: 1-10
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16560152
[Journal Article] Suppression of Unstable Flow at Small Flow Rates in a Centrifugal Blower (Effect of Inlet Ring Groove Arrangement with Guide Vane)2005
- Author(s)
  Daisaku Sakaguchi, Masahiro Ishida, Hironobu Ueki
- Journal Title
  
  Proc.of the Mechanical Engineering Congress in Japan 2005, No.05-1, Vol.7
  
  Pages: 215-216
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16560152
[Journal Article] 遠心送風機の低流量域不安定流動の抑制(ガイドベーン付き入口環状溝の効果)2005
- Author(s)
  坂口大作
- Journal Title
  
  日本機械学会2005年度年次大会講演論文集 No.05-1,Vol.7
  
  Pages: 215-216
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16560152
[Journal Article] Effect of Pre-whirl on Unstable Flow in a Centrifugal Impeller2005
- Author(s)
  Daisaku Sakaguchi, Masahiro Ishida, Hironobu Ueki
- Journal Title
  
  Proc.of the 8th Asian International Conference on Fluid Machinery, Vol.1
  
  Pages: 773-783
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16560152
[Journal Article] Effect of Pre-Whirl on Unstable Flow Inception in a Centrifugal Impeller2005
- Author(s)
  Sakaguchi, Daisaku
- Journal Title
  
  Proceedings of the 8^<th> Asian International Fluid Machinery Conference (8^<th> AICFM) Vol.1
  
  Pages: 773-783
- Data Source
  KAKENHI-PROJECT-16560152
[Journal Article] Suppression of Unstable Flow at Small Flow Rates in a Centrifugal Blower (Effect of Guide Vane Setting Angle on Inlet Recirculation Flow)2005
- Author(s)
  Daisaku Sakaguchi, Shinichiro Hattori, Masahiro Ishida, Hironobu Ueki
- Journal Title
  
  Proc.of the JSME Fluids Engineering Conference 2005 No.05-32, Paper No.1510(CD-ROM)
  
  Pages: 1-4
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16560152
[Journal Article] Suppression of Unstable Flow at Small Flow Rates in a Centrifugal Blower by Controlling Tip Leakage Flow and Reverse Flow2005
- Author(s)
  Masahiro Ishida, Taufan Surana, Hironobu Ueki, Daisaku Sakaguchi
- Journal Title
  
  Trans.ASME, Journal of Turbomachinery, (Paper No.2004-GT-53400), Vol.127, No.1
  
  Pages: 76-83
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16560152
[Journal Article] Optimum Configuration of Inlet Ring Groove for Suppression of Unstable Flow in a Centrifugal Blower2004
- Author(s)
  Masahiro Ishida, Daisaku Sakaguchi, Hironobu Ueki, Taufan Surana
- Journal Title
  
  Proc.of the JSME Fluids Engineering Conference 2004 No.04-25, Paper No.107(CD-ROM)
  
  Pages: 1-4
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16560152
[Presentation] Design Optimization and Demonstration of a Small-scale Tidal Turbine for Energy Harvesting2023
- Author(s)
  Daisaku Sakaguchi
- Organizer
  2023 The Fifth CICHE-JSCE Joint Workshop, Civil Engineering on Green Energies
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K03879
[Presentation] Design Optimization by ANN-assisted Genetic Algorithms for Renewable Energy Devices2023
- Author(s)
  Daisaku Sakaguchi
- Organizer
  VANJ Conference 2023, Green Environment and Energy
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K03879
[Presentation] Japan's offshore wind power and other green energy policies from the development of tidal power generation in Goto2023
- Author(s)
  Daisaku Sakaguchi
- Organizer
  Planetary Health Symposium
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K03879
[Presentation] 海洋におけるエネルギー開発とモニタリング2022
- Author(s)
  坂口大作
- Organizer
  産業基盤維持管理技術研究会講演会
- Invited
- Data Source
  KAKENHI-PROJECT-21K03879
[Presentation] 人工知能をメタモデルとした流体機械の最適化設計2022
- Author(s)
  坂口大作
- Organizer
  日本機械学会年次大会
- Invited
- Data Source
  KAKENHI-PROJECT-21K03879
[Presentation] Design Optimization of Tidal Current Turbines by Meta-model Assisted Genetic Algorithms2022
- Author(s)
  Daisaku Sakaguchi
- Organizer
  RIAM Symposium 2022
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K03879
[Presentation] Advanced Design of Slant Tidal Turbine for Smart Buoys2021
- Author(s)
  Haruka Moriguchi, Daisaku Sakaguchi
- Organizer
  AICFM16
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K03879
[Presentation] Demonstration Experiments of a Floating/Submersible Tidal Current Power System in Naru-Strait in Goto, Nagasaki2021
- Author(s)
  Yusaku Kyozuka, Daisaku Sakaguchi
- Organizer
  The 2nd International Symposium on Novel Computational and Experimental Methods for Complicated Fluid-Structure Interactions, RIAM, Kyushu University
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02365
[Presentation] 浮沈式潮流発電システムの実海域実験2021
- Author(s)
  経塚雄策、坂口大作
- Organizer
  日本沿岸域学会、全国大会シンポジウム、「テーマ、海洋再生可能エネルギーと長崎港の未来」
- Data Source
  KAKENHI-PROJECT-19H02365
[Presentation] Global Design Search of a Vertical Axis Tidal Current Turbine by Multi-Objective Optimization2021
- Author(s)
  Ichiro Honda, Daisaku Sakaguchi
- Organizer
  JSSUME2020+1
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K03879
[Presentation] 浮沈式潮流発電システムの実海域実験（速報）2019
- Author(s)
  経塚　雄策、坂口大作、永瀧拓己、黒川洸、末吉誠、胡長洪、烏谷隆、野田穣士朗、胡長洪
- Organizer
  日本船舶海洋工学会令和元年春季講演会
- Data Source
  KAKENHI-PROJECT-19H02365
[Presentation] A floating/submersible shrouded tidal current turbine system applicable in low speed tidal flow2019
- Author(s)
  Yusaku Kyozuka, Daisaku Sakaguchi, Makoto Sueyoshi, Changhong Hu
- Organizer
  13th European Wave and Tidal Energy Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02365
[Presentation] Design of Recirculation Flow Type Casing Treatment with Guide Vanes in Centrifugal Compressors by an ANN Assisted Optimization2018
- Author(s)
  Daisaku Sakaguchi, Min Thaw Tun
- Organizer
  The 5th AJWTF
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06088
[Presentation] Optimization of an Aerofoil Type Diffuser for Centrifugal Compressors2018
- Author(s)
  Ryouta Ishihara, Yusuke Kawachi, Yoshiki Ishibashi, Daisaku Sakaguchi
- Organizer
  15th Joint Symposium between Sister Universities in Mechanical Engineering, JSSUME2018
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06088
[Presentation] Optimization of a Recirculation Flow Tyep Casing Treatment with Guide Vanes for Centrifugal Compressors2018
- Author(s)
  Cheng BinBin, Shouta Miyashita, Daisaku Sakaguchi
- Organizer
  15th Joint Symposium between Sister Universities in Mechanical Engineering, JSSUME2018
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06088
[Presentation] Global search of a Three-dimensional Low Solidity Circular Cascade Diffuser for Centrifugal Blowers by Meta-model Assisted Optimization2017
- Author(s)
  Daisaku Sakaguchi
- Organizer
  The 13th International Symposium on Experimental and Computational Aerothermodynamics of Internal Flows, ISAIF2017
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06088
[Presentation] Off-design Performance Improvement in Centrifugal Compressors with Recirculation Flow Type Casing Treatment by Optimized Guide Vane2016
- Author(s)
  Min Thaw Tun, Daisaku Sakaguchi
- Organizer
  The 7th International Conference on Science and Engineering (ICSE 2016)
- Place of Presentation
  Yangon (Maynmar)
- Year and Date
  2016-12-10
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06088
[Presentation] ターボチャージャー用遠心圧縮機の高性能化設計（ケーシングトリートメントの最適化と圧縮機効率）2016
- Author(s)
  坂口大作, Min Thaw Tun
- Organizer
  第76回ターボ機械協会（北見）講演会
- Place of Presentation
  北見工業大学（北海道北見市）
- Data Source
  KAKENHI-PROJECT-16K06088
[Presentation] Design of a Three-dimensional Blade of Low Solidity Circular Cascade Diffusers by Multi-Point Optimization2016
- Author(s)
  Daisaku Sakaguchi, Min Thaw Tun
- Organizer
  The 7th International Conference on Science and Engineering (ICSE 2016)
- Place of Presentation
  Yangon (Maynmar)
- Year and Date
  2016-12-10
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06088
[Presentation] ターボチャージャー用遠心圧縮機の高性能化設計（ケーシングトリートメント内ガイドベーンの多目的最適化）2016
- Author(s)
  平山恒輝,原田光之亮,篠原崚,日隈克将,Min Thaw Tun,坂口大作
- Organizer
  日本機械学会年次大会
- Place of Presentation
  九州大学（福岡県福岡市）
- Year and Date
  2016-09-11
- Data Source
  KAKENHI-PROJECT-16K06088
[Presentation] 半導体励起固体レーザを用いたドップラーグローバル流速計システムの構築2014
- Author(s)
  坂口大作，谷尾優樹，壽智史，村上京士郎
- Organizer
  日本機械学会九州支部第70期総会・講演会
- Place of Presentation
  九州工業大学（福岡県北九州市戸畑区）
- Data Source
  KAKENHI-PROJECT-23560198
[Presentation] 半導体励起固体レーザを用いたドップラーグローバル流速計システムの構築2014
- Author(s)
  坂口大作,谷尾優樹,壽智史,村上京士郎
- Organizer
  日本機械学会九州支部第70期総会・講演論文集
- Place of Presentation
  (査読無,Paper No.131, pp.1-2)
- Data Source
  KAKENHI-PROJECT-23560198
[Presentation] ディーゼルインジェクタ噴孔近傍噴霧液滴挙動に及ぼす雰囲気圧力の影響2010
- Author(s)
  坂口大作
- Organizer
  日本自動車技術会2010年春季大会
- Place of Presentation
  横浜
- Data Source
  KAKENHI-PROJECT-20560163
[Presentation] Study of Breakup Process in Dense Region of Diesel Fuel Spray by Micro-Probe L2F2010
- Author(s)
  D.Sakaguchi
- Organizer
  THIESEL 2010
- Place of Presentation
  スペイン
- Year and Date
  2010-09-15
- Data Source
  KAKENHI-PROJECT-20560163
[Presentation] ディーゼルインジェクタ噴孔近傍噴霧液滴挙動に及ぼす雰囲気圧力の影響2010
- Author(s)
  坂口大作
- Organizer
  日本自動車技術会2010年春季大会学術講演会
- Place of Presentation
  横浜
- Year and Date
  2010-05-21
- Data Source
  KAKENHI-PROJECT-20560163
[Presentation] マイクロプローブL2Fによる噴霧の不均一構造の研究2009
- Author(s)
  坂口大作
- Organizer
  日本機械学会第87期流体工学部門講演会
- Place of Presentation
  名古屋
- Data Source
  KAKENHI-PROJECT-20560163
[Presentation] マイクロプローブL2Fによるディーゼル噴霧の渦構造の研究2009
- Author(s)
  坂口大作
- Organizer
  第20回内燃機関シンポジウム
- Place of Presentation
  東京
- Data Source
  KAKENHI-PROJECT-20560163
[Presentation] ディーゼル噴霧コア部の液滴の追い付き・追い越し特性2008
- Author(s)
  坂口大作
- Organizer
  日本機械学会岡山講演会
- Place of Presentation
  岡山
- Data Source
  KAKENHI-PROJECT-20560163
[Presentation] Study of Heterogeneous Structure in Diesel Fuel spray by Using Micro-Probe L2F2008
- Author(s)
  D. Sakaguchi
- Organizer
  The 7th JSME-KSME Thermal and Fluids Engineering Conference
- Place of Presentation
  札幌市
- Year and Date
  2008-10-13
- Data Source
  KAKENHI-PROJECT-20560163
[Presentation] アミダオルウォレ,マイクロプローブL2Fによるディーゼル噴霧コア部における液滴数密度の瞬時計測2008
- Author(s)
  坂口大作, 植木弘信, 石田正弘
- Organizer
  自動車技術会学術講演会
- Place of Presentation
  横浜
- Data Source
  KAKENHI-PROJECT-20560163
[Presentation] Study of Heterogeneous Structure in Diesel Fuel Spray by Using Micro-Probe L2F2008
- Author(s)
  坂口大作
- Organizer
  The 7th JSME-KSME Thermal and Fluids Engineering Conference
- Place of Presentation
  札幌
- Data Source
  KAKENHI-PROJECT-20560163

1. ISHIDA Masahiro (60039683)

# of Collaborated Projects: 4 results

# of Collaborated Products: 8 results
2. UEKI Hironobu (30160154)

# of Collaborated Projects: 4 results

# of Collaborated Products: 0 results
3. Kyozuka Yusaku (80177948)

# of Collaborated Projects: 1 results

# of Collaborated Products: 5 results
4. 胡長洪 (20274532)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
5. 末吉誠 (80380533)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results

SAKAGUCHI Daisaku 坂口 大作

坂口 大作 サカグチ ダイサク

Research Projects

Research Products

Co-Researchers

Development of a slant type tidal turbine for small marine research buoys with an independent power supply systemPrincipal Investigator

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Demonstration experiments of a floating/submersible shrouded tidal current power system

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Global search of the self-repair function by an multi-objective optimization using neural networksPrincipal Investigator

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Development of Doppler Global Velocimetry using a DPSS laserPrincipal Investigator

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Development of multi-focus particle analyzer with bundle fiberPrincipal Investigator

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Verification of Unstable Flow Mechanism due to Inducer Tip Leakage Vortex in a Centrifugal Blower

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SUPPRESSION OF UNSTABLE FLOW IN CENTRIFUGAL BLOWERS BY THREE-DIMENSIONAL SEPARATION CONTROL

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THREE DIMENSIONAL SPATIAL CORRELATION OF TEMPERATURE AND VELOCITY IN TUBULENT DIFFUSION FLAME

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光ファイバ温度計を用いたディーゼル燃焼の乱れ特性解析

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カラーセンサを用いた半導体レーザ流速温度計の開発Principal Investigator

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遠心送風機の低流量域不安定流動の検知と制御

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半導体位置検出素子を用いたレーザ流速計の開発Principal Investigator

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[Book] スマート養殖技術2022

Author(s)

Total Pages

SAKAGUCHI Daisaku 坂口大作

坂口大作サカグチダイサク