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DEVELOPMENT OF THE SYSTEM FOR EVALUATING THE CHARACTERISTICS OF FLOW INDUCED VIBRATION OF ELASTIC STRUCTURES IN CONNECTION WITH ADVANCED SYSTEMS

Research Project

Project/Area Number 03555045
Research Category

Grant-in-Aid for Developmental Scientific Research (B)

Allocation TypeSingle-year Grants
Research Field 機械力学・制御工学
Research InstitutionUNIVERSITY OF TOKYO

Principal Investigator

KANEKO Shigehiko  UNIVERSITY OF TOKYO, FACULTY OF ENGINEERING, ASSOCIATE PROFESSOR, 工学部, 助教授 (70143378)

Co-Investigator(Kenkyū-buntansha) WATANABE Tatsuo  UNIVERSITY OF TOKYO, FACULTY OF ENGINEERING, ASSISTANT LECTURER, 工学部, 助手 (70011179)
Project Period (FY) 1991 – 1993
Project Status Completed (Fiscal Year 1993)
Budget Amount *help
¥7,800,000 (Direct Cost: ¥7,800,000)
Fiscal Year 1993: ¥400,000 (Direct Cost: ¥400,000)
Fiscal Year 1992: ¥1,500,000 (Direct Cost: ¥1,500,000)
Fiscal Year 1991: ¥5,900,000 (Direct Cost: ¥5,900,000)
KeywordsSELF-EXCITED VIBRATION / FLUID-ELASTIC VIBRATION / FLUTTER / LEAKAGE FLOW / ACTIVE CONTROL / VIBRATION SUPPRESSION / NUCLEAR POWER COMPONENT / MECHATRONIC DEVICES / アクティブコントロ-ル
Research Abstract

In this project, the system for evaluating the characteristics of flow-induced vibration of the following two cases of elastic structures was developed ; the first one is the case where elastic structures are moving in quiescent air flow such as antennas of satellites under ground test operations ; the second one is the case where elastic structures are vibrating subjected to one-dimensional leakage flow such as heat exchanger tubes and the load arms of electromagnetic disk files. As for the first case, the characteristics of the fluid force were found to be the function of amplitudes, frequencies, the configuration of edges of plates from the observation of the wave form of damped free vibrations of elastically supported plates. As for the second case, two types of experimental apparatus were designed and made for measuring the unstable fluid force acting on the elastically supported rigid plate and the cantilever elastic beam subjected to one-dimensional leakage flow. The unstable fluid force was measured by the following procedure ; (1) suppressing the unstable vibrations by adding additional fluid forces created by a piezo bymorph actuator installed at the inlet of the passage, (2) accounting the power input of the actuator. Finally, the validity of "the leakage flow approximation" was examined intensively both analytically and experimentally and the fact that this approximation is valid when the ratio between the channel length and the channel width is less than 10 was first found.

Report

(4 results)
  • 1993 Annual Research Report   Final Research Report Summary
  • 1992 Annual Research Report
  • 1991 Annual Research Report
  • Research Products

    (20 results)

All Other

All Publications (20 results)

  • [Publications] 長倉博,金子成彦: "The Stability of a Cantilever Beam Subjected to One-Dimensional Leakage Flow" Trans.of 11th Int.Conf.on Structural Mechanics in Reactor Technology. J. 135-140 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] 金子成彦,廣田和生: "A Study on Active Control of Leakage Flow Induced Vibrations" First International Conference on Motion and Vibration Control. 2. 1135-1140 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] 長倉博,金子成彦: "1次元平行すきま流路内に置かれた片持ち弾性はりの安定性" 日本機械学会論文集C編. 58. 352-359 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] 長倉博,金子成彦: "流路内に両端単純支持されたはりの安定性に及ぼすすきま幅の影響" 日本機械学会機械力学・計測制御部門講演論文集. 920-55B. 679-683 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] 廣田和生,金子成彦: "すきま流励起振動のアクティブコントロール" 日本機械学会機械力学・計測制御部門講演論文集. 920-55B. 779-784 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] 西原崇,金子成彦: "すきま流励起振動のアクティブコントロール" 日本機械学会AVDシンポジウム講演論文集. 940-9. 88-91 (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] HIROSHI NAGAKURA and SHIGEHIKO KANEKO: "THE STABILITY OF A CANTILEVER BEAM SUBJECTED TO ONE-DIMENSIONAL LEAKAGE FLOW" TRANS.11TH SMIRT. VOL.J. 135-140 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] SHIGEHIKO KANEKO and KAZUO HIROTA: "A STUDY ON ACTIVE CONTROL OF LEAKAGE FLOW INDUCED VIBRATIONS" First Int.Conf.on MOVIC. VOL.2. 1135-1140 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] HIROSHI NAGAKURA and SHIGEHIKO KANEKO: "STABILITY OF A CANTILEVER BEAM SUBJECTED TO ONE-DIMENTIONAL LEAKAGE FLOW" TRANS.JSME, C. VOL.58. 352-359 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] HIROSHI NAGAKURA and SHIGEHIKO KANEKO: "EFFECT OF THE CHANNEL WIDTH ON THE STABILITY OF A SIMPLY-SUPPORTED BEAM SUBJECTED TO ONE-DIMENSIONAL LEAKAGE FLOW" PROC.JSME D&D CONF.VOL.B. 679-683 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] KAZUO HIROTA and SHIGEHIKO KANEKO: "ACTIVE CONTROL OF LEAKAGE FLOW INDUCED VIBRATION" PROC.JSME D&D CONF.VOL.B. 779-784 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] TAKESHI NISHIHARA and SHIGEHIKO KANEKO: "ACTIVE CONTROL OF LEAKAGE FLOW INDUCED VIBRATION" PROC.JSME AVD SYMP.VOL.940-9. 88-91 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] 長倉博,金子成彦: "Stability of a Cantilever Beam Subjected to One-Dimensional Leakage Flow" Proc.Asia-Pacific Vibration Conf.'93. Vol.1. 248-253 (1993)

    • Related Report
      1993 Annual Research Report
  • [Publications] 西原 崇,金子成彦: "すきま流励起振動のアクティブコントロール" 日本機械学会AVDシンポジウム講演論文集. 940-9. 88-91 (1994)

    • Related Report
      1993 Annual Research Report
  • [Publications] 廣田 和生,金子 成彦: "すきま流励起振動のアクティブコントロール" 日本機械学会機械力学・計測制御講演論文集. B. 779-784 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] 金子 成彦,廣田 和生: "A Study on Active Control of Leakage Flow Induced Vibrations" Proc.of First International Conference on Motion and Vibration Control. 2. 1135-1140 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] 長倉 博,金子 成彦: "流路内に両端単純支持されたはりの安定性に及ぼすすきま幅の影響" 日本機械学会機械力学・計測制御講演論文集. B. 679-683 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] 長倉 博,金子 成彦: "一次元平行すきま流路内に置かれた片持ち弾性はりの安定性" 日本機械学会論文集C編. 58-546. (1992)

    • Related Report
      1991 Annual Research Report
  • [Publications] 廣田 和生,金子 成彦: "モ-ド連成フラッタの能動制振に関する研究" 総合試験所年報. 50. 143-148 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] 長倉 博,金子 成彦: "Stability of a Cantilever Beam Subjected to One-Dimensional Leakoge Flow" Trans.11th SMIRT. J. 135-140 (1991)

    • Related Report
      1991 Annual Research Report

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Published: 1991-04-01   Modified: 2016-04-21  

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