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Non-equilibrium of disk-type flow contraction

Research Project

Project/Area Number 22560189
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Thermal engineering
Research InstitutionTokyo University of Marine Science and Technology

Principal Investigator

MASAHIRO Osakabe  東京海洋大学, 海洋科学技術研究科, 教授 (00204173)

Project Period (FY) 2010 – 2012
Project Status Completed (Fiscal Year 2012)
Budget Amount *help
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2012: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2011: ¥520,000 (Direct Cost: ¥400,000、Indirect Cost: ¥120,000)
Fiscal Year 2010: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Keywords臨界流 / 二相流 / 熱的非平衡 / 絞り機構 / 安全弁
Research Abstract

The safety or relief valves to depressurize the pressure vessel are recognized as the most important safety devices for boiler and nuclear facilities. The discharging flow is usually restricted with the minimum flow area between disk and seat. The flow rate is significantly affected with the vena contraction at minimum flow area, the delay of expansion and the non-equilibrium. The simple disk-type flow contraction was fabricated to measure the discharging flow rate at different valve lifts, disk materials and seat configurations. A lot of knowledge such as the significant non-equilibrium was obtained from the comparison of the experimental results with the flow model.

Report

(4 results)
  • 2012 Annual Research Report   Final Research Report ( PDF )
  • 2011 Annual Research Report
  • 2010 Annual Research Report
  • Research Products

    (12 results)

All 2012 2011 Other

All Journal Article (7 results) (of which Peer Reviewed: 6 results) Presentation (1 results) Remarks (4 results)

  • [Journal Article] 安全弁における単相及び二相流の流出挙動2012

    • Author(s)
      千葉典子,吉川和寛,堀木幸代,刑部真弘
    • Journal Title

      日本機械学会論文集B編

      Volume: 78(794) Pages: 1739-1748

    • NAID

      130002050822

    • Related Report
      2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] Discharging flow behavior from disk-type flow contraction2012

    • Author(s)
      Noriko CHIBA, Kazuhiro KIKKAWA and Masahiro OSAKABE
    • Journal Title

      日本マリンエンジニアリング学会誌

      Volume: 47(3) Pages: 58-63

    • Related Report
      2012 Annual Research Report 2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] 安全弁における相変化流体の流出挙動,2012

    • Author(s)
      千葉典子,吉川和寛,堀木幸代,刑部真弘
    • Journal Title

      日本機械学会論文集B編

      Volume: 78(794) Pages: 1749-1758

    • NAID

      130002050823

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 安全弁における単相及び二相流の流出挙2012

    • Author(s)
      千葉典子,吉川和寛,堀木幸代,刑部真弘
    • Journal Title

      日本機械学会論文集B編

      Volume: 78(794) Pages: 1739-1748

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Journal Article] ディスク式絞り機構における流体噴き出し特性に関する研究2011

    • Author(s)
      刑部真弘
    • Journal Title

      バルブ技報

      Volume: 26(2) Pages: 61-84

    • Related Report
      2012 Final Research Report 2011 Annual Research Report
  • [Journal Article] Discharging flow behavior from disk-type flow contraction2011

    • Author(s)
      N.CHIBA, K.KIKKAWA and M.OSAKABE
    • Journal Title

      Proceedings of the International Symposium on Marine Engineering(ISME)

      Pages: 106-106

    • Related Report
      2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] Discharging flow behavior from disk-type flow contraction2011

    • Author(s)
      N.CHIBA, K.KIKKAWA, M.OSAKABE
    • Journal Title

      Proceedings of the International Symposium on Marine Engineering(ISME)

      Volume: (CD-ROM)

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Presentation] ディスク式絞り機構からの単相及び二相流の放出実験2011

    • Author(s)
      千葉典子, 吉川和寛, 刑部真弘
    • Organizer
      第16回動力・エネルギー技術シンポジウム
    • Place of Presentation
      大阪大学,吹田
    • Year and Date
      2011-06-24
    • Related Report
      2011 Annual Research Report
  • [Remarks]

    • URL

      http://www2.kaiyodai.ac.jp/~osakabe/

    • Related Report
      2012 Final Research Report
  • [Remarks] ターボ動力研究室

    • URL

      http://www2.kaiyodai.ac.jp/~osakabe/

    • Related Report
      2012 Annual Research Report
  • [Remarks]

    • URL

      http://www2.kaiyodai.ac.jp/~osakabe/

    • Related Report
      2011 Annual Research Report
  • [Remarks]

    • URL

      http://www2.kaiyodai.ac.jp/-osakabe/

    • Related Report
      2010 Annual Research Report

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Published: 2010-11-30   Modified: 2019-07-29  

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