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Diffusion and Control of Water Jets

Research Project

Project/Area Number 08650207
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Fluid engineering
Research InstitutionHIROSHIMA UNIVERSITY

Principal Investigator

SUDOU Kouzou  Hiroshima Univ., Fac.of Eng., Professor, 工学部, 教授 (70016509)

Co-Investigator(Kenkyū-buntansha) HIBARA Hideki  Hiroshima Univ., Fac.of Eng., Research Associate, 工学部, 助手 (80271071)
Project Period (FY) 1996 – 1997
Project Status Completed (Fiscal Year 1997)
Budget Amount *help
¥2,200,000 (Direct Cost: ¥2,200,000)
Fiscal Year 1997: ¥400,000 (Direct Cost: ¥400,000)
Fiscal Year 1996: ¥1,800,000 (Direct Cost: ¥1,800,000)
KeywordsWater Jet / Flow Visualization / Attachment Phenomena / Hydraulic Jump / Hydrogen Bubble Method / Tracer Particle Metod / Jet Deflection / Classification of Flow Pattern / 拡散
Research Abstract

1. Contents of research made in 1996-1997
(1) Two-dimensional water jets below free surface are visualized varing Reynolds number, nozzle to bottom plate depth and nozzle to water surface height.
(2) The velocity distributions are given in the form of the vector diagram and the decay of maximum velocity is investigated in each flow pattern.
(3) Hight and horizontal distance of maximum water level point are measured varing Reynolds number, nozzle to bottom plate depth and nozzle to water surface height.
2. Results obtained in 1996-1997
(1) The defecting directions of the submerged jets are classified the following three types by the condition under which the jet issues from nozzle.
(2) The horizontal distance of the attachment point is decided by the nozzle to water surface height only in the flow attaching to the free boundary, and by the nozzle to bottom plate depth only in the flow attaching to the solid boundary.
(3) The flow attaching to the free boundary can be classified mainly the six types by flow pattern.
(4) The flow attaching to the free boundary diffuse faster than the flow attaching to the solid boundary

Report

(3 results)
  • 1997 Annual Research Report   Final Research Report Summary
  • 1996 Annual Research Report
  • Research Products

    (13 results)

All Other

All Publications (13 results)

  • [Publications] 須藤, 浩三: "水噴流の拡散に関する研究" 日本機械学会講演論文集. 96. 223-224 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] 須藤, 浩三: "二次元水噴流の可視化と流動解析" 可視化情報. 16. 203-206 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Kozo SUDOU: "Attachment Phenomena and Flow Patterns of Two-Dimensional Water Jets" Proc. 5th Triennial Int. Symo. on FLUCOME. 2. 833-838 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] 須藤, 浩三: "二次元水噴流の付着現象と拡散" 日本機械学会論文集(B編). 64. 350-358 (1998)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Kouzou SUDOU: "A Study on Plane Submerged Water Jets" Proc.of Jpn.Soc.Mech.Eng.96-9. 223-224 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Kouzou SUDOU: "Visualization of Two-Dimensional Water Jets" Journal of Visualization Society of Japan suppl.16-2. 203-206 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Kozo SUDO: "Attachment Phenomena aand Flow Patterns of Two-Dimensional Water Jets" Proc.5th Triennial Int.Symp.on FLUCOME. 3. 833-838 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Kouzou SUDOU: "Reattachment Phenomena and Diffusion of Plane Submerged Water Jets" Trans.Jpn.Soc.Mech.Eng.64-618. 350-358 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] 須藤 浩三: "二次元水噴流の付着現象と拡散" 日本機械学会論文集(B編). 618-64. 350-358 (1998)

    • Related Report
      1997 Annual Research Report
  • [Publications] Kozo SUDO: "Attachment Phenomena and Flow Patterns of Two-Dimensional Water Jets" Proc.5th Triennial Int.Symp.on FLUCOME. 2. 833-838 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] 須藤 浩三: "水噴流の拡散に関する研究" 日本機械学会講演論文集. 96-9. 223-224 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] 須藤 浩三: "二次元水噴流の可視化と流動解析" 可視化情報. 16-2. 203-206 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] Kozo SUDOU: "Attachment Phenomena and Flow Patterns of Two-Dimensional Water Jets" FLUCOME'97. (発表予定).

    • Related Report
      1996 Annual Research Report

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Published: 1996-04-01   Modified: 2016-04-21  

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