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Application of the statistical theory of turbulence to astrophysical fluid turbulence

Research Project

Project/Area Number 19740229
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Mathematical physics/Fundamental condensed matter physics
Research InstitutionUniversity of Tsukuba

Principal Investigator

YOSHIDA Kyo  University of Tsukuba, 大学院数理物質科学研究科, 助教 (30335070)

Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥2,530,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥330,000)
Fiscal Year 2008: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2007: ¥1,100,000 (Direct Cost: ¥1,100,000)
Keywords乱流 / 電磁流体 / シミュレーション / 非平衡系 / 自己重力系
Research Abstract

太陽風乱流のなどの簡単なモデルとなる一様磁場の下での一様電磁流体(MHD)乱流について、一様磁場を等方性乱流への摂動として現象論的解析を行い、大スケールの場(一様磁場)の影響が小スケールの乱流統計にまで深く浸透するという、通常流体の乱流とは異なる性質が示唆された。この性質は、MHD乱流の数値シミュレーションによっても検証された。

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (9 results)

All 2009 2008 2007

All Journal Article (2 results) Presentation (7 results)

  • [Journal Article] 弱い一様磁場下での電磁流体乱流2009

    • Author(s)
      吉田恭, 有光敏彦
    • Journal Title

      研究集会報告(20ME-S6)「乱流現象及び多自由度系の動力学, 構造と統計法則」(九州大学応用力学研究所)

      Pages: 122-127

    • Related Report
      2008 Final Research Report
  • [Journal Article] 電磁流体乱流のエネルギースペクトル2008

    • Author(s)
      吉田恭, 有光敏彦
    • Journal Title

      研究集会報告(19ME-S7)「乱流現象及び多自由度系の動力学, 構造と統計法則」 (九州大学応用力学研究所)

      Pages: 116-123

    • Related Report
      2008 Final Research Report
  • [Presentation] 弱い一様磁場下での電磁流体乱流2008

    • Author(s)
      吉田恭, 有光敏彦
    • Organizer
      研究集会「乱流現象及び多自由度系の動力学, 構造と統計法則」
    • Place of Presentation
      九州大学, 福岡
    • Year and Date
      2008-11-14
    • Related Report
      2008 Final Research Report
  • [Presentation] 弱い一様磁場下での電磁流体乱流2008

    • Author(s)
      吉田恭、有光敏彦
    • Organizer
      研究集会「乱流現象及び多自由度系の動力学、構造と統計法則」
    • Place of Presentation
      九州大学
    • Year and Date
      2008-11-14
    • Related Report
      2008 Annual Research Report
  • [Presentation] Spectral anisotropy of MHD turbulence under weak uniform mean magnetic field2008

    • Author(s)
      Kyo Yoshida and Toshihico Arimits
    • Organizer
      The workshop "Ineratial-Range Dynamics and Mixing"
    • Place of Presentation
      Isaac Newton Institute
    • Year and Date
      2008-10-29
    • Related Report
      2008 Annual Research Report
  • [Presentation] Statistics of quantum fluid turbulence2008

    • Author(s)
      Kyo Yoshida
    • Organizer
      Frontiers of Computational Science-Macroscopic Systems/ Fluid Mechanics.
    • Place of Presentation
      Nagoya University, Nagoya, Japan
    • Year and Date
      2008-03-26
    • Related Report
      2008 Final Research Report
  • [Presentation] Statistics of quantum fluid turbulence2008

    • Author(s)
      Kyo, yoshida
    • Organizer
      Frontiers of Computational Sciences-Macroscopic Systems/Fluid Mechanics
    • Place of Presentation
      名古屋大学
    • Year and Date
      2008-03-26
    • Related Report
      2007 Annual Research Report
  • [Presentation] Spectral anisotropy of MHD turbulence under weak uniform mean magnetic field2008

    • Author(s)
      Kyo Yoshida and Toshihico Arimitsu
    • Organizer
      poster presentation at the workshop "Inertial-Range Dynamics and Mixing"
    • Place of Presentation
      Isaac Newton Institute, Cambridge, UK
    • Related Report
      2008 Final Research Report
  • [Presentation] 電磁流体乱流のエネルギースペクトル2007

    • Author(s)
      吉田恭, 有光敏彦
    • Organizer
      研究集会「乱流現象及び多自由度系の動力学, 構造と統計法則」
    • Place of Presentation
      九州大学, 福岡
    • Year and Date
      2007-11-25
    • Related Report
      2008 Final Research Report

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Published: 2007-04-01   Modified: 2016-04-21  

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