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Numerical Simulation of Three-Dimensional Separated Flowand Heat Transfer in Transient Reynolds Region

Research Project

Project/Area Number 19560208
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Thermal engineering
Research InstitutionKumamoto University

Principal Investigator

YOSHIKAWA Hiroyuki  Kumamoto University, 大学院・自然科学研究科, 准教授 (40221668)

Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Fiscal Year 2008: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2007: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
KeywordsSeparated Flow / Heat Transfer / Transient Reynolds Region / はく離再付着流れ / 対称急拡大流路 / 非対称流れ / 対流熱伝達 / 数値解析 / 熱伝達
Research Abstract

本研究では, 遷移レイノルズ数領域における矩形断面対称急拡大流路内流れを解析の対象とし, 三次元剥離流れおよび壁面からの熱伝達特性を調査した. レイノルズ数の増加にともない, 流路内の流れは, 定常対称流れ, 定常非対称流れ, 非定常流れへと遷移する. 流れの遷移によって熱伝達特性は大きく変化し, 非定常流れでは, 再付着領域においてはスパン方向に軸を持つ渦に, それより下流域では流れ方向に軸を持つ渦により熱伝達が促進されることを明らかにした.

Report

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

    (4 results)

All 2007

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

  • [Journal Article] Numerical Simulation of Deflecting Flow in a Symmetric Enlarged Channel2007

    • Author(s)
      YOSHIKAWA, H., ICHINOMIYA, K., MUNEKATA, M., OHBA, H.
    • Journal Title

      Journal of Thermal Science Vol.16

      Pages: 353-359

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Numerical Simulation of Deflecting Flow in a Symmetric Enlarged Channel2007

    • Author(s)
      YOSHIKAWA, H.
    • Journal Title

      Journal of Thermal Science 16(4)

      Pages: 353-359

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] Numerical Simulation of Deflecting Flow in a Symmetric Enlarged Channel2007

    • Author(s)
      YOSHIKAWA, H.
    • Organizer
      8th International Symposium on Experimental and Computational Aerothermodynamics of Internal Flow
    • Place of Presentation
      Lyon,France
    • Year and Date
      2007-07-04
    • Related Report
      2007 Annual Research Report
  • [Presentation] Numerical Simulation of Deflecting Flow in a Symmetric Enlarged Channel2007

    • Author(s)
      YOSHIKAWA, H., ICHINOMIYA, K.,MUNEKATA, M., OHBA, H.
    • Organizer
      Proceedings of 8th International Symposium on Experimental and Computational Aerothermodynamics of Internal Flow
    • Place of Presentation
      Lyon, France
    • Related Report
      2008 Final Research Report

URL: 

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

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