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2008 Fiscal Year Final Research Report

Clarification of superfluid turbulent flow phenomena by use of PIV

Research Project

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Project/Area Number 17206083
Research Category

Grant-in-Aid for Scientific Research (A)

Allocation TypeSingle-year Grants
Section一般
Research Field Aerospace engineering
Research InstitutionUniversity of Tsukuba

Principal Investigator

MURAKAMI Masahide  University of Tsukuba, 大学院・システム情報工学研究科, 教授 (40111588)

Co-Investigator(Kenkyū-buntansha) NAKANOU Akihiro  (独)産業技術総合研究所, エネルギー技術研究部門, 主任研究員 (50344114)
Project Period (FY) 2005 – 2008
Keywords流体 / 可視化 / 航空宇宙工学 / 超流動 / 乱流
Research Abstract

まず、PIV法の超流動ヘリウムへの応用法の改善を行った。中立安定トレーサ粒子の発生は水素-重水素固体微粒子を使うことで成功させ、低温域での応用も可能とした。超流動乱流熱カウンター流ジェットへ応用して、粒子が量子化渦糸にトラップされることを明らかにした。これを認識した上で、時間平均速度に関して、空間減衰則・流速の空間分布を明らかにし、また乱流変動速度成分についても確率分布を求める等、定量的研究を行なった。

  • Research Products

    (19 results)

All 2009 2008 2007 2006 2005

All Journal Article (9 results) (of which Peer Reviewed: 9 results) Presentation (10 results)

  • [Journal Article] Application of particleimage velocimetry for measuring He II thermalcounterflow jets2009

    • Author(s)
      M. Murakami, et.al.
    • Journal Title

      Cryogenics(Web 上発表済み)(印刷中) 49

    • Peer Reviewed
  • [Journal Article] Visualization Study of the Interface between Superheated Two-Dimensional Narrow Channel by Using the Shadowgraph Method2009

    • Author(s)
      S. Takada, M. Murakami, et.al.
    • Journal Title

      Cryogenics(Web上発表済み)(印刷中) 49

    • Peer Reviewed
  • [Journal Article] PIV measurement study of fully developed superfluid turbulent thermal counterflow jet2009

    • Author(s)
      M. Murakami, et.al.
    • Journal Title

      Journal of Physics, Conferenceseries 150

      Pages: 032069-032071

    • Peer Reviewed
  • [Journal Article] PIV measurement of slush nitrogen flow in pipe, part II2008

    • Author(s)
      M. Maeda, M. Murakami, et.al.
    • Journal Title

      Adv. Cryo. Engineering 53A

      Pages: 51-58

    • Peer Reviewed
  • [Journal Article] PIV Measurement result of Superfluid He II Thermal Counterflow Jet.2008

    • Author(s)
      M. Murakami, et.al.
    • Journal Title

      Adv. Cryo. Engineering 53A

      Pages: 183-1190

    • Peer Reviewed
  • [Journal Article] He II 熱カウンター流ジェット計測へのPIV の応用2008

    • Author(s)
      村上正秀ろ, 他
    • Journal Title

      低温工学 43-3

      Pages: 88-93

    • Peer Reviewed
  • [Journal Article] シャドウグラフ法による狭小な平行平板間内に現れる^sHe I-^sHe I 界面の可視化2008

    • Author(s)
      高田卓、村上正秀, 他
    • Journal Title

      低温工学 43-3

      Pages: 94-99

    • Peer Reviewed
  • [Journal Article] PIV measurements for flow pattern and void fraction in cavitating flows of He II and He I2006

    • Author(s)
      K. Harada, M. Murakami, et al.
    • Journal Title

      Cryogenics Vol. 46-9

      Pages: 648-657

    • Peer Reviewed
  • [Journal Article] PIV measurements for flow pattern and void fraction in cavitating flows of He II2006

    • Author(s)
      K. Harada and M. Murakami
    • Journal Title

      Adv. Cryo. Engineering 51A/B

      Pages: 1677-1684

    • Peer Reviewed
  • [Presentation] 超流動ヘリウムキャビテーション流れにおける熱流体力学特性2009

    • Author(s)
      村上正秀, 他
    • Organizer
      第14回キャビテーションに関するシンポジウム
    • Place of Presentation
      仙台市
    • Year and Date
      2009-03-20
  • [Presentation] Measurement of superfluid thermal counterflow jet using PIV2008

    • Author(s)
      M. Murakami, et.al.
    • Organizer
      アメリカ物理学会 流体力学分科会
    • Place of Presentation
      米国 Texas, San Antonio
    • Year and Date
      2008-11-23
  • [Presentation] Measurement of Turbulent He II Thermal Counterflow Jet by use of PIV2008

    • Author(s)
      M. Murakami, et.al.
    • Organizer
      National Science Foundation, Workshop on Visualization of Thermo-Fluid Dynamics at Low Temperatures
    • Place of Presentation
      米国 Texas, San Antonio
    • Year and Date
      2008-11-20
  • [Presentation] λ点圧力を超える超流動中での膜沸騰遷移の様相と熱伝達の関係2008

    • Author(s)
      高田卓, 他
    • Organizer
      低温工学秋期講演会
    • Place of Presentation
      高知市
    • Year and Date
      2008-11-12
  • [Presentation] Superfluid turbulent flow characteristics of thermal counterflow jetmeasured by PIV2008

    • Author(s)
      M. Murakami, et.al.
    • Organizer
      22nd International Cryogenic Engineering Conference
    • Place of Presentation
      韓国、Seoul
    • Year and Date
      2008-07-21
  • [Presentation] 液体ヘリウム中のキャビテーション流れの圧力損失の特性2007

    • Author(s)
      原田浩平, 他
    • Organizer
      低温工学春期講演会
    • Place of Presentation
      仙台市
    • Year and Date
      2007-05-16
  • [Presentation] 液体ヘリウム中のキャビテーション流れの温度降下測定2006

    • Author(s)
      原田浩平, 他
    • Organizer
      低温工学秋期講演会
    • Place of Presentation
      千葉市
    • Year and Date
      2006-11-21
  • [Presentation] 狭小2次元流路中の発熱によるHe II 相転移現象の可視化2006

    • Author(s)
      高田卓, 他
    • Organizer
      低温工学秋期講演会
    • Place of Presentation
      千葉市
    • Year and Date
      2006-11-21
  • [Presentation] Application of PIV Technique to Measurement of Cavitating Flows of He I and He II2006

    • Author(s)
      T. Takakoshi, et.al.
    • Organizer
      21st International Cryogenic Engineering Conference
    • Place of Presentation
      Prague
    • Year and Date
      2006-07-18
  • [Presentation] 液体ヘリウム中の初生および発達段階におけるキャビテーション流れの特性2005

    • Author(s)
      原田浩平, 他
    • Organizer
      低温工学秋期講演会
    • Place of Presentation
      熊本市
    • Year and Date
      2005-11-21

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Published: 2010-06-10   Modified: 2016-04-21  

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