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1987 Fiscal Year Final Research Report Summary

Application of CAV to the Gas Dynamics

Research Project

Project/Area Number 61850033
Research Category

Grant-in-Aid for Developmental Scientific Research

Allocation TypeSingle-year Grants
Research Field Fluid engineering
Research InstitutionNagoya University

Principal Investigator

FUJIMOTO Tetsuo  Nagoya University, 工学部, 教授 (00023028)

Co-Investigator(Kenkyū-buntansha) NI-IMI Tomohide  Nogoya University, 工学部, 助手 (70164522)
YAMASHITA Hiroshi  Nagoya University, 工学部, 助教授 (40111835)
YHAMASHITA Shintaro  Nagoya University, 工学部, 助教授 (20023236)
FUJITA Hedeomi  Nagoya University (, 工学部, 教授 (10023136)
NAKAMURA Ikuo  Nagoya University (, 工学部, 教授 (00023127)
Project Period (FY) 1986 – 1987
KeywordsGas Dynamics / CAV / Vidicon Camera / Flow Visualization / Pictgure Processing / Laser Induced Fluorescence / Free jet / 質量分離
Research Abstract

CAFV(Computer Aided Flow Fisualization) system for the gas dynamics has been developed and is applied to analize three dimensional structures of the flow field that is visualized using laser induced fluorescence of I_2 seeded in Ar. The field is visualized by many laser sheets and photographed two dimensionally by a high sensitive vidicon camera. These image data are stored up in a personal computer in order to record three dimensional information on the entire flow field.For the purpose of suppressing the noize, an image datum is an avberage of many frame data. From the image data, the visualized pictures at arbitgrary cross sections (CT; Computer Tomography) are reproducted on the monitor by the personal computer.The propriety and effectiveness of this system are verified through the results applied to two flow fields, i.e., the free jet expanding into the vacuum chamber and an interacting flow field between the skimmer and the free jec.

  • Research Products

    (12 results)

All Other

All Publications (12 results)

  • [Publications] Hideomi Fujita: "Falling Water Films on a Vertical Cylinder with a Downward Step" Int. J. of Engineering Science. 24-8. 1405-1418 (1986)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Ikuo Nakamura: "The Turbulent Shear Flow on a Rotating Cylinder in a Quiescent Fluid (Flow Visualization and the Scale of Lump of Eddies)" 29-252. 1704-1709 (1986)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Tetsuo Fujimoto: "A Study on Interacting Free Jets" Transactions of the JSME. 53-486,b. 400-407 (1986)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Ikuo Nakamura: "The Disturbance Effect of a Circular Cylinder on the Diffusion of Matter by a Plume from a Point Source in Grid-generated Turbulance (1st Report, Characteristics of Velocity and Mean Concentration Field)" Transactions of the JSME. 53-487,b. 765-773 (1986)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Ikuo Nakamura: "The Disturbance Effect of a Circular Cylinder on the Diffusion of Matter by a Plume grom a Point Source in Grid-generated Turbulance (2nd Report,Characteristics of the Fluctuating Concentration Field)" Transactions of the JSME. 53-487,b. 774-781 (1986)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Hideomi Fujita: "Fully Developed Turbulent Flow in a Square Duct with a Rough Wall" Transactions of the JSME. 53-492,b. 2370-2376 (1986)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Tesuo Fujimoto: "A Study on Interacting Free Jets (2nd Report, 3-Dimensional Structures of Shock Systems)" Transactions of the JSME. 53-492,b. 2377-2383 (1986)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Ikuo Nakamura: "Diffusion of Matter by a Non-buoyant Plume in Grid-generated Turbulence" J. Fluid Mech.178. 379-403 (1987)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Tesuo Fujimoto: "Flow Visualization and Analysis of the Structures on Interacting Free Jets by LIF Method" J. of the Flow Visualization Society of Japan. 7-26. 325-330 (1987)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Tetsuo Fujimoto: "Development of CAFV System for the Gas Dynamics" J. of the Flow Visualization Society of Japan. 7 Suppl.19-22 (1987)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Tetsuo Fujimoto: "Development of CAFV System for the Gas Dynamics" Transactions of the JSME. in press. (1988)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Tetsuo Fujimoto: "Three Dimensional Structures of Interacting Free Jets" Proc. of 16th Int. Rarefied Gas Dynamics. in press. (1988)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 1989-03-30  

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