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A Study of Full-Load Draft Tube Surge in Hydraulic Power Turbine

Research Project

Project/Area Number 23760158
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Fluid engineering
Research InstitutionOsaka University

Principal Investigator

YONEZAWA Koichi  大阪大学, 大学院・基礎工学研究科, 助教 (00362640)

Project Period (FY) 2011 – 2012
Project Status Completed (Fiscal Year 2012)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2012: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2011: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Keywords流体機械 / キャビテーション不安定現象 / キャビテーション / 旋回流 / ディフューザ不安定 / 動特性
Research Abstract

Experimental and numerical investigations of a surge in a hydraulic turbine draft tube were carried out using a subscale model. It has been confirmed that the draft tube surge occurs at wide range of the operation condition from the low flow rate through the over load conditions. The frequencies of the surge are different from those of the vortex rope precession. Additionally, dynamic characteristics of the cavitation in the draft tube were examined experimentally by imposing flow rate fluctuations.

Report

(3 results)
  • 2012 Annual Research Report   Final Research Report ( PDF )
  • 2011 Research-status Report
  • Research Products

    (8 results)

All 2013 2012 2011

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (6 results)

  • [Journal Article] 水力発電用水車の小型試験装置における部分流量・過大流量キャビテーションサージに関する研究2012

    • Author(s)
      米澤宏一, 小西大介, 宮川和芳, Peter Doerfler, Francois Avellan, 辻本良信
    • Journal Title

      ターボ機械

      Volume: Vol.40, No12 Pages: 715-724

    • NAID

      10031127496

    • Related Report
      2012 Annual Research Report 2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] Cavitation Surge in a Small Model Test Facility Simulating a Hydraulic Power Plant2012

    • Author(s)
      Koichi Yonezawa, Daisuke Konishi, Kazuyoshi Miyagawa, Francois Avellan, Peter Doerfler, and Yoshinobu Tsujimoto
    • Journal Title

      International Journal of Fluid Machinery and Systems

      Volume: 5 Issue: 4 Pages: 152-160

    • DOI

      10.5293/IJFMS.2012.5.4.152

    • NAID

      130004542491

    • ISSN
      1882-9554
    • Related Report
      2012 Annual Research Report 2012 Final Research Report
    • Peer Reviewed
  • [Presentation] ドラフトチューブの動特性の計測に関する研究2013

    • Author(s)
      山本啓太,米澤宏一,宮川和芳,Avellan Francois,Doerfler Peter,辻本良信
    • Organizer
      日本機械学会関西支部第88期定時総会講演会
    • Place of Presentation
      大阪工業大学,大阪市
    • Year and Date
      2013-03-17
    • Related Report
      2012 Final Research Report
  • [Presentation] ドラフトチューブの動特性の計測に関する研究2013

    • Author(s)
      山本 啓太,米澤 宏一,宮川 和芳,Avellan Francois,Doerfler Peter,辻本 良信
    • Organizer
      日本機械学会関西支部第88期定時総会
    • Place of Presentation
      大阪市
    • Related Report
      2012 Annual Research Report
  • [Presentation] 水力発電用水車の小型試験装置における部分流量・過大流量キャビテーションサージに関する研究2012

    • Author(s)
      米澤宏一, 小西大介, 宮川和芳, Peter Doerfler, Francois Avellan, 辻本良信
    • Organizer
      ターボ機会協会第68回総会講演会
    • Place of Presentation
      東京大学,東京都
    • Year and Date
      2012-05-25
    • Related Report
      2012 Final Research Report
  • [Presentation] 水力発電用水車の小型試験装置における部分流量・過大流量キャビテーションサージに関する研究2012

    • Author(s)
      米澤宏一, 小西大介, 宮川和芳, Peter Doerfler, Francois Avellan, 辻本良信
    • Organizer
      ターボ機会協会第68回総会講演会
    • Place of Presentation
      東京都
    • Related Report
      2012 Annual Research Report
  • [Presentation] 水力発電所用タービンのドラフトチューブサージ2011

    • Author(s)
      米澤宏一
    • Organizer
      Dynamics & Design Conference 2011 v_BASEフォーラム
    • Place of Presentation
      高知工科大学,香美市
    • Year and Date
      2011-09-06
    • Related Report
      2012 Final Research Report
  • [Presentation] 水力発電所用タービンのドラフトチューブサージ2011

    • Author(s)
      米澤宏一
    • Organizer
      Dynamics & Design Conference 2011 v_BASE フォーラム
    • Place of Presentation
      高知工科大学 (高知県)
    • Related Report
      2011 Research-status Report

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Published: 2011-08-05   Modified: 2019-07-29  

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