Clarification of superfluid turbulent flow phenomena by use of PIV

• Project/Area Number: 17206083
• Research Category: Grant-in-Aid for Scientific Research (A)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Aerospace engineering
• Research Institution: University 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
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥49,010,000 (Direct Cost: ¥37,700,000、Indirect Cost: ¥11,310,000); Fiscal Year 2008: ¥5,720,000 (Direct Cost: ¥4,400,000、Indirect Cost: ¥1,320,000); Fiscal Year 2007: ¥7,540,000 (Direct Cost: ¥5,800,000、Indirect Cost: ¥1,740,000); Fiscal Year 2006: ¥12,350,000 (Direct Cost: ¥9,500,000、Indirect Cost: ¥2,850,000); Fiscal Year 2005: ¥23,400,000 (Direct Cost: ¥18,000,000、Indirect Cost: ¥5,400,000)
• Keywords: 流体 / 可視化 / 航空宇宙工学 / 超流動 / 乱流 / 流体力学 / 可視化技術 / PIV計測 / サーマルカウンター流ジェット / 2流体モデル / 可視法 / PIV法 / 超流動乱流 / 熱カウンター流 / 中立安定粒子

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

• [Journal Article] Application of particleimage velocimetry for measuring He II thermalcounterflow jets (2009)
  • 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 Method (2009)
  • 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 jet (2009)
  • Author(s): M. Murakami, et.al.
  • Journal Title: Journal of Physics, Conferenceseries 150 Pages: 32069-32071
  • Peer Reviewed
• [Journal Article] PIV measurement study of fully developed superfluid turbulent thermal counterflow jet (2009)
  • Author(s): M. Murakami et al.
  • Journal Title: Journal of Physics, Conference Series 150 Pages: 32069-32071
  • Peer Reviewed
• [Journal Article] Application of particle image velocimetry for measuring He II thermal counterflow jets (2009)
  • Author(s): M. Murakami et al.
  • Journal Title: Cryogenics 49(Web公開番号46)
  • NAID: 10020477595
  • Peer Reviewed
• [Journal Article] Visualization Study of the Interface between Superheated He II and Superheated He I in a Two-Dimensional Narrow Channel by Using the Shadowgraph, Method (2009)
  • Author(s): S. Takada et al.
  • Journal Title: Cryogenics 49(Web公開番号48)
  • Peer Reviewed
• [Journal Article] PIV measurement of slush nitrogen flow in pipe, part II (2008)
  • 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
  • NAID: 10020477595
  • 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] 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, 他
  • Journal Title: 低温工学 43-3 Pages: 88-93
  • NAID: 10020477595
  • Peer Reviewed
• [Journal Article] PIV measurements for flow pattern and void fraction in cavitating flows of He II and He I (2006)
  • 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 II (2006)
  • Author(s): K. Harada and M. Murakami
  • Journal Title: Adv. Cryo. Engineering 51A/B Pages: 1677-1684
  • Peer Reviewed
• [Journal Article] PIV measurements for flow pattern and void fraction in cavitating flows of He I and He I (2006)
  • Author(s): K.Harada, et al.
  • Journal Title: Cryogenics 146-9 Pages: 648-657
• [Journal Article] Application of PIV Technique to Measurement of Cavitating Flows of He I and Hell (2006)
  • Author(s): T.Takakoshi, et al.
  • Journal Title: Proc. 21st International Cryogenic Engineering conference 21 Pages: 450-454
• [Journal Article] PIV measurement of slush nitrogen flow in pipe (2006)
  • Author(s): T.Takakoshi, et al.
  • Journal Title: Adv. Cryo. Engineering 51-A Pages: 1025-1032
• [Journal Article] PIV analysis of cavitation flow characteristics of Hell (2006)
  • Author(s): K.Harada, et al.
  • Journal Title: Adv. Cryo. Engineering 51-B Pages: 1677-1684
• [Journal Article] PIV measurement of slush nitrogen flow in pipe (2006)
  • Author(s): T.Takakoshi et al.
  • Journal Title: Advances in Cryogenic Engineering 51A(掲載可)
• [Journal Article] PIV and pressure measurement study of He II cavitation flow (2006)
  • Author(s): K.Harada et al.
  • Journal Title: Advances in Cryogenic Engineering 51A(掲載可)
• [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] 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言るシンポジウム
  • Place of Presentation: 仙台市
  • Year and Date: 2009-03-20
• [Presentation] Measurement of superfluid thermal counterflow jet using PIV (2008)
  • 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 superfluid thermal counterflow jet using PIV (2008)
  • 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 PIV (2008)
  • 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] Measurement of Turbulent He II Thermal Counterflow Jet by use of PIV (2008)
  • Author(s): M. Murakami
  • 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] 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: 2008年度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 jet measured by PIV (2008)
  • Author(s): M. Murakami et al.
  • Organizer: 22nd International Cryogenic Engineering Conference
  • Place of Presentation: 韓国、Seoul
  • Year and Date: 2008-07-22
• [Presentation] Superfluid turbulent flow characteristics of thermal counterflow jetmeasured by PIV (2008)
  • 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] 細線周りにおける加圧He II中の膜沸騰の可視観測 (2008)
  • Author(s): 高田卓 他
  • Organizer: 2008年度低温工学春期講演会
  • Place of Presentation: 明星大学
  • Year and Date: 2008-05-26
• [Presentation] Application of visualization technique to cryogenic thermo-fluid mechanics research (2008)
  • Author(s): M. Murkami
  • Organizer: International Conference on Cryogenics & Refrigeration
  • Place of Presentation: Shanghai
• [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] 狭小二次元流路におけるHe II沸騰現象の蒸気挙動変化 (2007)
  • Author(s): 高田卓, 他
  • Organizer: 2007年度低温工学秋期講演会
  • Place of Presentation: 千葉大学
• [Presentation] Application of PIV Technique to Measurement of Cavitating Flows of He I and He II (2007)
  • Author(s): T. Takakoshi, et al.
  • Organizer: 21 International Cryogenic Engineering Conference
  • Place of Presentation: Prague
• [Presentation] Application of hydrodynamic stability theory to film boiling modes in He II (2007)
  • Author(s): M. Nozawa, et al.
  • Organizer: 21 International Cryogenic Engineering Conference
  • Place of Presentation: Prague
• [Presentation] Study of effect of heat capacity of heater on the generation of several film boiling modes in He II (2007)
  • Author(s): S. Takada, et al.
  • Organizer: 21 International Cryogenic Engineering Conference
  • Place of Presentation: Prague
• [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: 2007年度低温工学春期講演会
  • Place of Presentation: 仙台市
• [Presentation] 狭小2次元流路中の沸騰開始における圧力依存性 (2007)
  • Author(s): 高田卓, 他
  • Organizer: 2007年度低温工学春期講演会
  • Place of Presentation: 仙台市
• [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 II (2006)
  • 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