研究業績

(長津研究室開設以後(2012年~))

原著論文

  1. Ryuta X. Suzuki, Risa Takeda, Yuichiro Nagatsu, Manoranjan Mishra, Takahiko Ban
    Fluid Morphologies Governed by the Competition of Viscous Dissipation and Phase Separation in a Radial Hele-Shaw Flow
    Coatings, 10, 10 (2020)
  2. Yuichiro Nagatsu, Kizuna Abe, Kaori Konmoto, Keiichiro Omori
    Chemical Flooding for Enhanced Heavy Oil Recovery via Chemical-Reaction-Producing Viscoelastic Material
    Energy Fuels, 34, 10655-10665 (2020)
  3. Keiichiro Omori, Yuichiro Nagatsu
    Numerical simulations of miscible viscous fingering involving viscosity changes of the displacing fluid by A + B → C chemical reactions
    AIP Advances, 10, 095014 (2020) (selected as Editor's picks)
  4. Ryuta X. Suzuki, Yuichiro Nagatsu, Manoranjan Mishra, and Takahiko Ban
    Phase separation effects on a partially miscible viscous fingering dynamics
    J. Fluid Mech., 898, All (2020)
  5. Ryuta X. Suzuki, Yuichiro Nagatsu, Manoranjan Mishra, and Takahiko Ban
    Fingering pattern induced by spinodal decomposition in hydrodynamically stable displacement in a partially miscible system
    Phys. Rev. Fluids, 4, 104005 (2019)
  6. Reiko Tsuzuki, Qian Li, Yuichiro Nagatsu, and Ching-Yao Chen
    Numerical study of immiscible viscous fingering in chemically reactive Hele-Shaw flows: Production of surfactants
    Phys. Rev. Fluids, 4, 104003 (2019)
  7. Toshimasa Ueki, Jun Iijima, Satoshi Tagawa, Yuichiro Nagatsu
    Unpredictable Dynamics of Polymeric Reacting Flow by Comparison between Pre- and Post-Reaction Fluid Properties: Hydrodynamics Involving Molecular Diagnosis via ATRFTIR Spectroscopy
    J. Phys. Chem. B, 123, 4587−4593 (2019)(selected as a supplementary cover)
  8. Sotheavuth Sin, Tetsuya Suekane, Yuichiro Nagatsu, Anindityo Patmonoaji
    Three-dimensional visualization of viscous fingering for non-Newtonian fluids with chemical reactions that change viscosity
    Phys. Rev. Fluids, 4, 054502 (2019)
  9. Reiko Tsuzuki, Ryohei Tanaka, Takahiko Ban, and Yuichiro Nagatsu
    Deviation from capillary number scaling of nonlinear viscous fingering formed by the injection of Newtonian surfactant solution
    Phys. Fluids, 31, 042108 (2019)(selected as Editor’s picks)
  10. Reiko Tsuzuki, Takahiko Ban, Masanari Fujimura, and Yuichiro Nagatsu
    Dual role of surfactant-producing reaction in immiscible viscous fingering evolution
    Phys. Fluids, 31, 022102 (2019)(selected as Editor’s picks)
  11. T. Ban, M. Sugiyama, Y. Nagatsu, H. Tokuyama
    Motion-Based Detection of Lanthanides (III) Using Self-Propelled Droplets
    J. Phys. Chem. B, 122 (46), 10647-10651 (2018)
  12. H. Tokuyama, Y. Nakahata, R. Sato, Y. Nagatsu, T. Ban
    Mechanical and metal adsorption properties of emulsion gel adsorbents composed of PEGDA-co-PEG hydrogels and tri-n-octylamine
    Polym. Bull., 75 (4), 1597-1606 (2018)
  13. N.A.M. Rasidek, M.F.M. Nordin, Y.A. Yusoff, H. Tokuyama, Y. Nagatsu
    EFFECT OF TEMPERATURE ON RHEOLOGY BEHAVIOUR OF BANANA PEEL PECTIN EXTRACTED USING HOT COMPRESSED WATER
    Jurnal Teknologi, 80 (3) (2018)
  14. Noor Azwani Mohd Rasidek, Mariam Firdhaus Mad Nordin, Koji Iwamoto, Norazah Abd Rahman, Yuichiro Nagatsu, Hideaki Tokuyama
    Rheological flow models of banana peel pectin jellies as affected by sugar concentration
    Int. J. Food Prop., 21 (1), 2087-2099 (2018)
  15. T. Ban, M. Kaji, Y. Nagatsu, H. Tokuyama
    Propagating Precipitation Waves in Disordered Media
    ACS Omega, 2 (11), 8027-8032 (2017)
  16. T. Suekane, J. Ono, A Hyodo, Y. Nagatsu
    Three-dimensional viscous fingering of miscible fluids in porous media
    Phys. Rev. Fluids, 2 (10), 103902 (2017)
  17. T. Ban, Y. Kobayashi, R. Suzuki, and Y. Nagatsu
    Active Liquid Matter Driven by Nonequilibrium Interfacial Tension
    J. Phys. Soc. Jpn., 86, 101005 (2017)
  18. T. Ban, T. Fukuyama, S. Makino, E. Nawa, and Y. Nagatsu
    Self-Propelled Vesicles Induced by the Mixing of Two Polymeric Aqueous Solutions through a Vesicle Membrane Far from Equilibrium
    Langmuir, 32 (11), pp 2574–2581 (2016)
  19. T. Ban, Y. Nagatsu, H. Tokuyama
    Propagation Properties of the Precipitation Band in an AlCl3/NaOH System
    Langmuir,32, pp 604-610 (2016)
  20. Y. Nagatsu, Y. Ishii, Y. Tada, and A. De Wit
    Hydrodynamic fingering instability induced by a precipitation reaction
    Physical Review Letters, vol. 113, 024502 (2014)
  21. L. A. Riolfo, Y. Nagatsu, S. Iwata, R. Maes, P. M. J. Trevelyan, and A. De Wit
    Experimental evidence of reaction-driven miscible viscous fingering
    Physical Review E, vol. 85, 015304(R) (2012)

総説、解説等

  1. Y. Nagatsu, Viscous Fingering Phenomena with Chemical Reactions, Current Physical Chemistry, 5, pp52-63, (2015)
  2. 長津雄一郎、可視化により解明した液相反応流の知見、可視化情報学会誌、Vol. 35、pp14-19 (2015)

招待講演、依頼講演

  1. Yuichiro Nagatsu
    Influences of physicochemical effects on interfacial hydrodynamics
    第6回理論応用力学シンポジウム Sep. 1-3, 2020 (Online)
  2. Yuichiro Nagatsu
    Influences of pysicochemical effects on interfacial hydrodynamics
    Fourteenth International Conference on Flow Dynamics, Nov. 1-3, 2017 (Sendai, Japan)
  3. 長津雄一郎
    CO2地中隔離への応用を指向した多孔質媒質内における多成分系および反応系流動に関する基礎研究
    平成28年度 資源・素材関係学協会合同秋季大会 平成28年9月13~15日 盛岡
  4. Yuichiro Nagatsu
    Hydrodynamic Fingering Instability with Precipitation Reactions
    Twelfth International Conference on Flow Dynamics, Sendai, Japan, Oct. 27^29, 2015
  5. Yuichiro Nagatsu
    Reactive viscous fingering involving viscosity change
    Solvay International Workshop on Patterns and hydrodynamic instabilities in reactive systems, Solvay Institutes, ULB, Brussels, 15-17 May 2013

学会発表(2013年~)

  1. Ryuta X. Suzuki, Shoji Seya, Takahiko Ban, Manoranjan Mishra, Yuichiro Nagatsu
    Stabilization of viscous fingering in a partially miscible system
    American Physical Society, Division of Fluid Dynamics, Nov. 23~26, 2019 (Seattle, Washington, America)
  2. Ryohei Tanaka, Reiko Tsuzuki, Takahiko Ban, Yuichiro Nagatsu
    Deviation from capillary number scaling of nonlinear viscous fingering formed by the injection of Newtonian surfactant solution
    American Physical Society, Division of Fluid Dynamics, Nov. 23~26, 2019 (Seattle, Washington, America)
  3. Taro Maeda, Yuichiro Nagatsu
    Investigation on Chemical Garden Pattern in Hele-Shaw cell by Interfacial Rheology
    American Physical Society, Division of Fluid Dynamics, Nov. 23~26, 2019 (Seattle, Washington, America)
  4. R. Tanaka, R. Tsuzuki, T. Ban, Yuichiro Nagatsu
    Deviation from Capillary Number Scaling of Nonlinear Viscous Fingering Formed by the Injection of Newtonian Surfactant Solution
    Sixteenth International Conference on Flow Dynamics, Nov. 6~8, 2019 (Sendai, Japan)
  5. T. Maeda, Yuichiro Nagatsu
    Investigation on Confined Chemical Garden Pattern by Interfacial Rheology
    Sixteenth International Conference on Flow Dynamics, Nov. 6~8, 2019 (Sendai, Japan)
  6. S. Seya, R. X. Suzuki, T. Ban, M. Mishra, Yuichiro Nagatsu
    Stabilization of Viscous Fingering in a Partially Miscible System
    Sixteenth International Conference on Flow Dynamics, Nov. 6~8, 2019 (Sendai, Japan)
  7. S. Kadowaki, Yuichiro Nagatsu
    Investigation on Influence of Flow Rate on Reactive Viscous Fingering with Gel Production Based on Interfacial Rheology
    Sixteenth International Conference on Flow Dynamics, Nov. 6~8, 2019 (Sendai, Japan)
  8. S. Hirano, J. Iijima, T. Ueki, Yuichiro Nagatsu
    Effects of Hydrodynamic Conditions on Temporal Increase in Viscoelasticity in a Reacting Polymer Solution Flow
    Sixteenth International Conference on Flow Dynamics, Nov. 6~8, 2019 (Sendai, Japan)
  9. Shingo Kadowaki, Yuichiro Nagatsu
    Study on a reacting viscous fingering with gel production based on interfacial LAOS rheological measurement
    American Physical Society, Division of Fluid Dynamics, Nov. 18~20, 2018 (Georgia, America)
  10. Ryuta X. Suzuki, Yuichiro Nagatsu, Manoranjan Mishra & Takahiko Ban
    Wedge-shaped viscous fingering near the critical point of phase separation in a partially miscible system
    American Physical Society, Division of Fluid Dynamics, Nov. 18~20, 2018 (Georgia, America)
  11. 鈴木龍汰長津雄一郎,Manoranjan Mishra,伴貴彦
    部分混和系を用いた熱力学的な不安定性に引き起こされる流体置換における界面流体力学
    第69回コロイドおよび界面化学討論会,2018年9月18~20日,茨城
  12. 鈴木龍汰長津雄一郎,Manoranjan Mishra,伴貴彦
    部分混和系における界面流体力学
    化学工学会第83回年会,2018年3月14~16日,大阪
  13. Yuichiro Nagatsu, Hamirul Bin Othman, Manoranjan Mishra
    An experimental study of miscible viscous fingering of annular ring
    American Physical Society, Division of Fluid Dynamics, Nov. 19~21, 2017 (Colorado, America)
  14. Ryuta Suzuki, Yuichiro Nagatsu, Manoranjan Mishra, Takahiko Ban
    Deformation of interface in a partially miscible system during favorable displacement
    American Physical Society, Division of Fluid Dynamics, Nov. 19~21, 2017 (Colorado, America)
  15. Keiichiro Omori, Yuichiro Nagatsu
    Numerical simulation of miscible viscous fingering with viscosity change in a displacing fluid by chemical reaction
    American Physical Society, Division of Fluid Dynamics, Nov. 19~21, 2017 (Colorado, America)
  16. Yuichiro Nagatsu
    Influences of pysicochemical effects on interfacial hydrodynamics
    Fourteenth International Conference on Flow Dynamics, Nov. 1~3, 2017 (Sendai, Japan)
  17. Shingo Kadowaki, Kenichi Hoshino, Yuichiro Nagatsu
    Influence of flow rate on reactive viscous fingering with gel production
    Fourteenth International Conference on Flow Dynamics, Nov. 1~3, 2017 (Sendai, Japan)
  18. Ryuta Suzuki, Yuichiro Nagatsu, Manoranjan Mishra, Takahiko Ban
    Deformation of interface in a partially miscible system
    Fourteenth International Conference on Flow Dynamics, Nov. 1~3, 2017 (Sendai, Japan)
  19. Toshimasa Ueki, Satoshi Tagawa, Jun Iijima, Yuichiro Nagatsu
    Temporal increase in viscoelasticity in a polymeric liquid flow with a chemical reaction
    Fourteenth International Conference on Flow Dynamics, Nov. 1~3, 2017 (Sendai, Japan)
  20. Ryohei Tanaka, Reiko Tsuzuki, Yuichiro Nagatsu
    A reacting liquid flow with production of surfactant
    Fourteenth International Conference on Flow Dynamics, Nov. 1~3, 2017 (Sendai, Japan)
  21. Keiiciro Omori, Yuichiro Nagatsu
    Numerical simulation on miscible viscous fingering involving viscosity changes of the displacing fluid by chemical reactions
    Fourteenth International Conference on Flow Dynamics, Nov. 1~3, 2017 (Sendai, Japan)
  22. Ryuta Suzuki, Yuichiro Nagatsu, Manoranjan Mishra, Takahiko Ban
    Viscous fingering in a partially miscible system
    Fourteenth International Conference on Flow Dynamics, Nov. 1~3, 2017 (Sendai, Japan)
  23. Reiko Tsuzuki, Masanari Fujimura, Yuichiro Nagatsu
    Influence of the decrease in interfacial tension due to chemical reaction on immiscible viscous fingering
    Fourteenth International Conference on Flow Dynamics, Nov. 1~3, 2017 (Sendai, Japan)
  24. Reiko Tsuzuki, Qian Li, Yuichiro Nagatsu, Ching-Yao Chen
    Viscous Fingering on an Immiscible Reactive Interface with Variation of Interfacial Tension
    The 24th National Computational Fluid Dynamics Conference, Aug. 31~Sep.2, 2017 (Hsinchu, Taiwan)
  25. Reiko Tsuzuki, Vandita Sharma, Qian Li, Yuichiro Nagatsu, Ching-Yao Chen
    Viscous Fingering on an Immiscible Reactive Interface with Variation of Interfacial Tension
    The First Forum of the Chinese Society of Visualization Science and Art, Sep.9 2017, (New Taipei City, Taiwan)
  26. 鈴木 龍汰, 長津 雄一郎, Manoranjan Mishra, 伴貴彦
    部分混和性系における界面流体力学
    化学工学会 秋季大会, 2017年9月22日, 愛知, 日本
  27. 鈴木 龍汰, 長津 雄一郎, Manoranjan Mishra, 伴貴彦
    部分混和系におけるViscous fingering
    日本流体力学会 年会2017, 2017年9月1日, 東京, 日本
  28. 植木 敏允, 多川 慧, 飯島 淳, 長津 雄一郎
    ポリマー水溶液と金属イオンの反応性流れにおける非定常流動
    機械学会 関東支部 第23期総会・講演会, 2017年3月16日 東京, 日本
  29. 鈴木 龍汰, 長津 雄一郎, Manoranjan Mishra, 伴貴彦
    部分混和性におけるビスコスフィンガリング
    機械学会 関東支部 第23期総会・講演会, 2017年3月16日 東京, 日本
  30. 新井 洵太郎, Anne De Wit, Priyanka Shukla, 長津 雄一郎
    粘度減少を伴う化学反応によるmisicble viscous fingeringの安定化
    機械学会 関東支部 第23期総会・講演会, 2017年3月16日 東京, 日本
  31. 神原 利造, 長津 雄一郎
    反応粘弾性界面を用いたViscous fingeringの抑制
    機械学会 関東支部 第23期総会・講演会, 2017年3月16日 東京, 日本
  32. Reiko Tsuzuki, Masanari Fujimura, Yuichiro Nagatsu
    Influenece of chemical reaction decreasing interfacial tension on immiscible viscous fingering
    American Physical Society, Division of Fluid Dynamics, Nov. 20~22, 2016 (Oregon, America)
  33. Ryuta Suzuki, Yuichiro Nagatsu, Manoranjan Mishra, Takahiko Ban
    Experimental study on viscous fingering with partial miscible fluids
    American Physical Society, Division of Fluid Dynamics, Nov. 20~22, 2016 (Oregon, America)
  34. Shuntaro Arai, Yuichiro Nagatsu, Priyanka Shukla, Anne De Wit
    Stabilization of miscible viscous fingering by chemical reaction decreasing viscosity
    American Physical Society, Division of Fluid Dynamics, Nov. 20~22, 2016 (Oregon, America)
  35. Yuichiro Nagatsu, Toshizo Kanbara, Masafumi Taniguchi
    Suppresion of viscous fingering instability by a chemical reaction producing gel
    American Physical Society, Division of Fluid Dynamics, Nov. 20~22, 2016 (Oregon, America)
  36. Yuichiro Nagatsu, Toshizo Kanbara, Masafumi Taniguchi
    Suppression of a hydrodynamic instability by chemical reaction producing gel
    Gordon Research Seminar(GRS) and Conference(GRC), Jul. 16~22, 2016 (Vermont, America)
  37. Kizuna Abe, Shuntaro Arai, Yuichiro Nagatsu
    A proposal of novel chemical flooding using reactive viscoelastic oil-water interface for enhanced heavy oil recovery
    Gordon Research Seminar(GRS) and Conference(GRC), Jul. 16~22, 2016 (Vermont, America)
  38. Ryuta Suzuki, Manoranjan Mishra, Yuichiro Nagatsu, Takahiko Ban
    Hydrodynamic interfacial instability driven by partial miscibility in a fluid displacement process
    Gordon Research Seminar(GRS) and Conference(GRC), Jul. 16~22, 2016 (Vermont, America)
  39. Reiko Tsuzuki, Masanari Fujimura, Yuichiro Nagatsu
    Influence of chemical reaction decreasing interfacial tension on a hydrodynamic instability
    Gordon Research Seminar(GRS) and Conference(GRC), Jul. 16~22, 2016 (Vermont, America)
  40. Hamirul Bin Othman, Manoranjan Mishra, Yuichiro Nagatsu
    Radial viscous fingering of finite miscible ring: An experimental study
    Twelfth International Conference on Flow Dynamics, Oct. 27~29, 2015 (Sendai, Japan)
  41. Ryuta Suzuki, Takahiko Ban, Manoranjan Mishra, Yuichiro Nagatsu
    Experimental study of viscous fingering in an aqueous two phase system
    Twelfth International Conference on Flow Dynamics, Oct. 27~29, 2015 (Sendai, Japan)
  42. Fuwei Quah, Yu Qi, Yuichiro Nagatsu
    Experimental study on effects of effective interfacial tension on miscible viscous fingering
    The 67th Annual Meeting of the American Physical Society's Division of Fluid Dynamics, Nov. 22~24, 2014 (San Francisco, USA)
  43. Fuwei Quah, Yu Qi, Yuichiro Nagatsu
    Experimental Study on Effect of Korteweg Stress on Miscible Viscous Fingering
    Eleventh International Conference on Flow Dynamics, Oct. 8~10, 2014 (Sendai, Japan)
  44. 多川 慧、飯島 淳、長津 雄一郎
    ポリマー水溶液と金属イオンの混合反応過程における非定常流動
    化学工学会 第46回秋季大会、2014年9月17~19日(福岡)
  45. 都築 伶子長津 雄一郎
    化学反応による界面張力減少を伴う Immiscible viscous fingering
    化学工学会 第46回秋季大会、2014年9月17~19日(福岡)
  46. Masafumi Taniguchi, Yuichiro Nagatsu
    Creation of a Smart Fluid and its Application by Using Blend Polymer Solution
    Tenth International Conference on Flow Dynamics, Nov. 25~27, 2013 (Sendai, Japan)
  47. Kenichi Hoshino, Yuichiro Nagatsu
    Reactive Viscous Fingering Involving Production of Gel
    Tenth International Conference on Flow Dynamics, Nov. 25~27, 2013 (Sendai, Japan)
  48. 星野 健一長津 雄一郎
    化学反応によるゲル生成がViscous fingeringに及ぼす影響
    第61回 日本レオロジー討論会、2013年9月25~27日(山形)
  49. Masafumi Taniguchi, Yuichiro Nagatsu
    Effects of chemical species on rheological property of aqueous blend polymer solutions
    International Soft Matter Conference 2013, September 15-19 Rome, Italy
  50. Yuichiro Nagatsu, Hiroaki Takahashi
    Unsteady flow behavior in mixing and reaction processes between a water soluble polymer solution and a metal ion
    International Soft Matter Conference 2013, September 15-19 Rome, Italy
  51. 増茂 丈雄長津 雄一郎
    化学反応による粘度減少を伴うViscous Fingeringに関する実験研究
    日本流体力学会年会2013、2013年9月12~14日(東京)
  52. Kenichi Hoshino, Yuichiro Nagatsu
    Reactive viscous fingering involving production of gel
    Solvay International Workshop on Patterns and hydrodynamic instabilities in reactive systems, Solvay Institutes, ULB, Brussels, 15-17 May 2013
  53. Takeo Masumo, Yuichiro Nagatsu, Luis Riolfo, Anne De Wit
    Influence of viscosity decrease on reactive viscous fingering depending on randomness
    Solvay International Workshop on Patterns and hydrodynamic instabilities in reactive systems, Solvay Institutes, ULB, Brussels, 15-17 May 2013

受賞

  1. 植木 敏允、飯島 淳、多川 慧長津 雄一郎
    2019年度 化学工学会 粒子・流体プロセス部会フロンティア賞
  2. Ryu SATO, Hiromu SASAKI, Ryuta X. SUZUKI, Kentaro ATSUKAWA, Ryota MIYAMOTO, and Chinatsu UKAWA
    The 18th Asian Pacific Confederation of Chemical Engineering Congress, APCChE 2019にて Excellent Poster Award 受賞
  3. 鈴木 龍汰, 長津 雄一郎, Manoranjan Mishra, 伴 貴彦
    化学工学会 粒子・流体プロセス部会 動画賞 受賞 (2018.3.11に関西大学にて受賞講演があります。)
  4. Reiko Tsuzuki, Vandita Sharma, Qian Li, Yuichiro Nagatsu, Ching-Yao Chen
    The First Forum of the Chinese Society of Visualization Science and Art
    The Excellent Work Award受賞
  5. Reiko Tsuzuki, Qian Li, Yuichiro Nagatsu, Ching-Yao Chen
    The 24th National Computational Fluid Dynamics Conference
    海報論文競賽佳作受賞
  6. 大森 渓一郎
    プロセスデザイン学生コンテスト 最優秀賞・分離セクション賞(日揮賞)・分離セクション賞(横河電機賞)受賞
  7. 都築 伶子
    非線形反応と協同現象研究会 藤枝賞 受賞
  8. 藤村 将成
    化学工学会 粒子・流体プロセス部会(化学工学会 第44回秋季大会(2012)) プレゼンテーション賞 受賞

研究費獲得実績

  1. 長津 雄一郎
    部分混和系におけるKorteweg効果を伴う界面流体力学の数値解析
    科学研究費 基盤研究(C)、2019~2021年度
  2. 鈴木 龍汰
    部分混和系を用いた界面流体力学の制御
    特別研究員奨励費、2019~2020年度
  3. 長津 雄一郎
    反応界面レオロジーを基軸とする液相反応流研究の展開
    科学研究費 基盤研究(C)、2016~2018年度
  4. 長津 雄一郎
    飛躍的な石油増進回収のための油水反応レオロジー界面の創成
    科学技術振興機構(JST)・戦略的創造研究推進事業・さきがけ研究・「エネルギー高効率利用と相界面」領域、2013~2016年度
  5. 長津 雄一郎
    液液反応界面に生成されるゲルの粘弾性測定手法の確立とゲル生成を伴う反応流の研究
    科学研究費 挑戦的萌芽研究、2013~2015年度
  6. 長津 雄一郎
    レオロジー測定、数値流体力学、化学分子計測の統合解析による高分子液体反応流の研究
    科学研究費 若手研究(A)、2010~2013年度

LINEスタンプ

  1. LINEスタンプ;Active words
    https://store.line.me/stickershop/product/5067658
  2. LINEスタンプ;フィンガーくんと仲間たち2
    https://store.line.me/stickershop/product/1437044
  3. LINEスタンプ;フィンガーくんと仲間たち
    https://store.line.me/stickershop/product/1425824

ギネス記録

  1. 世界一長いきりたんぽ 5.12mでギネスに認定されました
  2. 世界一長いつくね串 20.69mでギネスに認定されました
PAGE TOP