Visualization on Flows from Multi-Jet Bundle for Stretching/Stabilizing Efflux Fluid Films with Micro-Mists

• Project/Area Number: 19560186
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Fluid engineering
• Research Institution: Fukuyama University
• Principal Investigator: UMEDA Shinzaburo Fukuyama University, 工学部, 教授 (90031145)
• Project Period (FY): 2007 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000); Fiscal Year 2008: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000); Fiscal Year 2007: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
• Keywords: 可視化 / 流体工学 / フリップ・フロップ流れ / マイクロミスト / 安定流体膜 / 混相流 / 菱形角柱群管路 / ラム効果 / 混相流界面現象

Research Abstract

本研究では,2年間にわたってマイクロミストを含むフリップ・フロップ流れとスリット流れが平面的に共存する混相流界面現象の可視化を行うことを目的とした.特に,(1)混相流界面での縦渦の変化,(2)安定流体膜厚さや到達距離の変化,のそれぞれの二つの項目に対して,PIV を中心とした可視化計測実験を行った.その結果,流出噴流場に形成される均等流量多数噴流群の形成及びスリット噴流が加わることによる安定流体膜形成の基礎的条件の提示を行うことができた.

Research Products

• [Journal Article] Development and Flow Visualization of Fluid Curtains (2009)
  • Author(s): S. Umeda and W.-J. Yang
  • Journal Title: J. Flow Visualiz. Image Process. Vol.16、No.1 Pages: 85-103
  • Peer Reviewed
• [Journal Article] Development and Flow Visualization of Fluid Curtains (2009)
  • Author(s): S. Umeda, W. -J. Yang
  • Journal Title: Journal of Flow Visualization & Image Processing Vol. 16, No. 1 Pages: 85-103
  • Peer Reviewed
• [Journal Article] Flow Characteristics near the "Interference Knot Point" inside a Diamond-Shaped Cylinder Bundle (2008)
  • Author(s): S. Shigeyama、 T. Wakabayashi、S. Umeda and W.-J. Yang
  • Journal Title: J. Flow Visualiz. Image Process. Vol.15、No.4 Pages: 351-364
  • Peer Reviewed
• [Journal Article] Review of Experimental Mechanics in Flow Networks during the First Stage (2008)
  • Author(s): W.-J. Yang、N. Zhang、C.-P. Lee and S. Umeda
  • Journal Title: J. Flow Visualiz. Image Process. Vol.15、No.2 Pages: 167-180
  • Peer Reviewed
• [Journal Article] A Study on Applications of Intersecting Flows in Water Reservoir for Improvement of Water Environment Problems (2008)
  • Author(s): S. Umeda and W.-J. Yang
  • Journal Title: Research in Agricultural Engineering Vol.54、No.2 Pages: 68-79
  • Peer Reviewed
• [Journal Article] Flow Characteristics behind Single Diamond-Shaped Cylinders in Free Stream (2008)
  • Author(s): S. Torii、 W.-J. Yang and S. Umeda
  • Journal Title: Int. J. of Dynamics of Fluids Vol.4、No.2 Pages: 83-92
  • Peer Reviewed
• [Journal Article] Composite Flow Networks for Stretching/Stabilizing Efflux Fluid Films (2008)
  • Author(s): S. Umeda and W.-J. Yang
  • Journal Title: J. Flow Visualiz. Image Process. Vol.15、No.1. Pages: 35-45
  • Peer Reviewed
• [Journal Article] Composite flow networks for stretching/stabilizing efflux fluid films (2008)
  • Author(s): S. Umeda, W. -J. Yang
  • Journal Title: Journal of Flow Visualization & Image Processing Vol. 15, No. 1 Pages: 33-45
  • Peer Reviewed
• [Journal Article] Review of experimental mechanics in flow networks during the firsh stage (2008)
  • Author(s): W. -J. Yang, N. Zhang, C. -P. Lee, S. Umeda
  • Journal Title: Journal of Flow Visualization & Image Processing Vol. 15, No. 2 Pages: 167-180
  • Peer Reviewed
• [Journal Article] Flow characteristics near the "Interference knot point" inside a diamond-shaped cylinder bundle (2008)
  • Author(s): S. Shigeyama, T. Wakabayashi, S Umeda, W. -J. Yang
  • Journal Title: Journal of Flow visualization & Image Processing Vol. 15, No. 4 Pages: 351-364
  • Peer Reviewed
• [Journal Article] A study on applications of intersecting flows in water reservoir for improvement of water environment problems (2008)
  • Author(s): S. Umeda, W. -J. Yang
  • Journal Title: Research in Agricultural Engineering Vol. 54, No. 2 Pages: 68-79
  • Peer Reviewed
• [Journal Article] Flow characteristics behind single diamond-shaped cylinder in free strearn (2008)
  • Author(s): S. Torii, W. -J. Yang, S. Umeda
  • Journal Title: International Journal of Dynamics of Fluids Vol. 4, No. 2 Pages: 83-92
  • Peer Reviewed
• [Journal Article] A Novel Means of Nano-Bubble Generation in a Multi-Storied Diamond-Shaped Cylinder Bundle (2007)
  • Author(s): S. Umeda、S. Shigeyama、H. Tsuji and W.-J. Yang
  • Journal Title: J. Flow Visualiz. Image Process. Vol.14、No.4 Pages: 409-416
  • Peer Reviewed
• [Journal Article] H. Tsuji and W.-J. Yang、Micro-Bubbles/Flip-Flop Flow Mixed Efflux from a Diamond-Shaped Cylinder Bundle (2007)
  • Author(s): S. Umeda、T. Wakabayashi、K. Yamada、K. Urakami
  • Journal Title: J. Flow Visualiz. Image Process. Vol.14、No.3 Pages: 305-315
  • Peer Reviewed
• [Journal Article] Efflux from a Composite Flow Network Having Flip-Flop Flow in Parallel with Slit Flows (2007)
  • Author(s): S. Umeda、S. Shigeyama、K. Iijima、C. Sukehira and W.-J Yang
  • Journal Title: J. Flow Visualiz. Image Process. Vol.14、No.3 Pages: 317-337
  • Peer Reviewed
• [Journal Article] Efflux from a Composite Flow Network Having Flip-Flop Flow in Parallel with Slit Flows (2007)
  • Author(s): Shinzaburo Umeda, Shinji Shigeyama, Kazuaki Iijima, Chikara Sukehira, Wen-Jei Yang
  • Journal Title: Journal of Flow Visualization and Image Processing Vol.14,No.3 Pages: 317-337
  • Peer Reviewed
• [Presentation] Diagnosis of Intersecting Flows - on Visualization of Flow Networks - (2008)
  • Author(s): S. Umeda and W.-J. Yang
  • Organizer: ISEM-3
  • Place of Presentation: Taiwan
• [Presentation] Identifying Edge-Tone Source in a Diamond-Shaped Cylinder Bundle Using Micro-PIV Method (2008)
  • Author(s): S. Shigeyama、T. Wakabayashi、S. Umeda and W.-J. Yang
  • Organizer: ISFV-13
  • Place of Presentation: Nice
• [Presentation] Flow Characteristics in X-Shaped Micro-Intersecting-Channels by Means of Micro-PIV (2008)
  • Author(s): S. Umeda and W.-J. Yang
  • Organizer: ISTP-19
  • Place of Presentation: Reykjavic
• [Presentation] Diagnosis of intersecting flows-on visualization of flow networks- (2008)
  • Author(s): S. Umeda, W. -J. Yang
  • Organizer: ISEM-3
  • Place of Presentation: Taiwan
• [Presentation] Measurements of Flip-Flop Flow Phenomenon inside Diamond-Shaped Cylinder Bundles by Means of LDV and PIV (2007)
  • Author(s): S. Umeda、S. Shigeyama and W.-J. Yang
  • Organizer: ISEM-2
  • Place of Presentation: Osaka
• [Presentation] Experimental Mechanics in Flow Networks during Its Infancy (2007)
  • Author(s): W.-J. Yang、N. Zhang、C.-P. Lee and S. Umeda
  • Organizer: ISEM-2
  • Place of Presentation: Osaka
• [Presentation] 菱形角柱群流路内の干渉節目点付近における微視的PIV計測 (2007)
  • Author(s): 繁山信治、若林友則、梅田眞三郎、Wen-Jei Yang
  • Organizer: 可視化情報
  • Place of Presentation: 東京
• [Presentation] PIVを用いた複合ネットワーク流出噴流の可視化 (2007)
  • Author(s): 梅田眞三郎、繁山信治、飯嶋和明、助飛羅力、Wen-Jei Yang
  • Organizer: 可視化情報
  • Place of Presentation: 岐阜
• [Presentation] Visualization of Swirling Flows Using PIV in a Plating Bath (2007)
  • Author(s): S. Umeda、S. Shigeyama and K. Horii
  • Organizer: FEDSM2007(ASME)
  • Place of Presentation: San Diego
• [Presentation] Flip-Flop Flow Oscillation Containing Micro-Bubbles from Diamond-Shaped Cylinder Bundles (2007)
  • Author(s): S. Umeda、T. Wakabayashi、K. Yamada、K. Urakami、H. Tsujiand W.-J. Yang
  • Organizer: PSFVIP-6
  • Place of Presentation: Hawaii
• [Presentation] 菱形角柱群管路におけるナノバブル発生 (2007)
  • Author(s): 梅田 真三郎, 繁山 信治, 辻 秀泰, Wen-Jei Yang
  • Organizer: 混相流学会
  • Place of Presentation: 札幌
• [Presentation] PIVを用いた複合ネットワーク流出噴流の可視化 (2007)
  • Author(s): 梅田 真三郎, 繁山 信治, 飯嶋 和明, 助飛 羅力, Wen-Jei Yang
  • Organizer: 可視化情報学会
  • Place of Presentation: 岐阜
• [Book] ネットワーク流れの可視化に向けて交差流れを診る (2007)
  • Author(s): 梅田眞三郎、Wen-Jei Yang
  • Publisher: 共立出版
• [Patent(Industrial Property Rights)] マイクロバブル及びマイクロミスト発生装置 (2008)
  • Inventor(s): 梅田眞三郎
  • Industrial Property Rights Holder: 広島TLO
  • Acquisition Date: 2008-03-14