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2008 Fiscal Year Final Research Report

New Approach of Acoustic Emission Method to Energy Saving Analysis of Gas Jet Flow

Research Project

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Project/Area Number 19560732
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Material processing/treatments
Research InstitutionThe University of Tokushima

Principal Investigator

YOSHIDA Kenichi  The University of Tokushima, 大学院・ソシオテクノサイエンス研究部, 教授 (50200986)

Co-Investigator(Kenkyū-buntansha) NISHION Hideo  徳島大学, 大学院・ソシオテクノサイエンス研究部, 准教授 (50316890)
Project Period (FY) 2007 – 2008
Keywords省エネルギー / 流体工学 / AE法 / ジェット噴流 / 波形解析
Research Abstract

実験用配管の内部と外部の圧力差を利用してガスの漏洩を発生させるガス漏洩発生実験装置を用いて、様々な人工欠陥孔(直径02~0,5mmのピンホール、幅02~0.5mmおよび長さ3~5mmのスリット、段付きピンホール)からガス漏洩を発生させる。漏洩箇所を発生源とする配管を伝播する超音波(AE信号)を検出し、このAE信号によって噴出ガスの挙動を明らかにした。これによって、大掛かりな装置を使ったジェット噴流解析を、省力化できる可能性を示唆することができた.

  • Research Products

    (7 results)

All 2009 2008 2007

All Journal Article (3 results) (of which Peer Reviewed: 3 results) Presentation (4 results)

  • [Journal Article] Frequency Variations and Surface Loss Analysis of Generated AE Signals during Gas Leakage on Artificially Damaged2008

    • Author(s)
      R. N. Laodeno, H. Nishino and K. Yoshida
    • Journal Title

      Pipe Proceedings of 19th International Acoustic Emission Symposium (Progress in Acoustic Emission XIV)(Kyoto, Japan)

      Pages: 523-530

    • Peer Reviewed
  • [Journal Article] Characterization of AE Signals Generated by Gas Leakage with Artificial Defect at Different Wall Thickness2008

    • Author(s)
      R. N. Laodeno, H. Nishino and K. Yoshida
    • Journal Title

      Materials Transactions Vol.49, No.10

      Pages: 2341-346

    • Peer Reviewed
  • [Journal Article] Acoustic Emission Waveform Analysis of Gas Leakage on Pipe with Various Types of Artificial Defects2007

    • Author(s)
      R. N. Laodeno, H. Nishino and K. Yoshida
    • Journal Title

      Proceedings of 6th International Conference on Acoustic Emission (Advances in AE 2007)(Nevada, USA)

      Pages: 173-178

    • Peer Reviewed
  • [Presentation] 人工欠陥を有するパイプのガス漏洩中に検出されるAE2009

    • Author(s)
      神足昌人、R. N. Laodeno、酉野秀郎、吉旦憲二
    • Organizer
      第14回四国地区材料関連協会支部・研究会連合講演会
    • Place of Presentation
      高知県工業技術センター
    • Year and Date
      2009-03-06
  • [Presentation] Generation of AE Signals and its Waveform Characteristics of Gas Leakage Emanated on Pipe with Artificial Defects at Different Geometrical Shapes2008

    • Author(s)
      R. N. Laodeno, H. Nishino and K. Yoshida
    • Organizer
      51^<st> Acoustic Emission Working Group and International Symposium on AE, University of Memphis, Memphis, Tennessee
    • Place of Presentation
      USA
    • Year and Date
      20081012-15
  • [Presentation] Characterization of AE Signals Generated by Gas Leakage with Artificial Defect at Different Wall Thickness2008

    • Author(s)
      R. N. Laodeno, A. Takane, H. Nishino and K. Yoshida
    • Organizer
      (社)日本非破壊検査協会平成20年度春期大会
    • Place of Presentation
      私学会館(東京)
    • Year and Date
      20080320-21
  • [Presentation] Analysis of Gas Leak Emanated from Pipe with Artificial Defect Using Acoustic Emission Method2008

    • Author(s)
      R. N. Laodeno, A. Takane, H. Nishino and K Yoshida
    • Organizer
      第13回四国地区材料関連協会支部・研究会連合講演会
    • Place of Presentation
      香川県産業技術センター
    • Year and Date
      2008-03-11

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

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