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Measurement of Flow Fields and Aerodynamics of Transonic Three-Dimensional Biplane Using Light Field Optics

Research Project

Project/Area Number 21K04495
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 24010:Aerospace engineering-related
Research Institution防衛大学校(総合教育学群、人文社会科学群、応用科学群、電気情報学群及びシステム工学群)

Principal Investigator

Kashitani Masashi  防衛大学校(総合教育学群、人文社会科学群、応用科学群、電気情報学群及びシステム工学群), システム工学群, 教授 (80535279)

Project Period (FY) 2021-04-01 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2023: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2022: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2021: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Keywords可視化 / 遷音速 / 空力特性 / 風洞試験 / 超音速複葉翼 / シュリーレン / ライトフィールド光学系 / シュリーレン法 / 三次元流れ / ライトフィールド光学 / 空力測定技術 / 遷音速流れ / ブーゼマン複葉翼 / 抵抗低減
Outline of Research at the Start

本研究では,ライトフィールド光学系による流れに平行な任意断面の可視化が可能なフォーカシングシュリーレン装置を開発し,焦点深度が小さく高空間分解能で,一度の撮影で光軸方向任意断面の三次元流れ場を再構築できる測定法を確立する.さらに,低ソニックブームを目的としたブーゼマン複葉翼の遷音速流れで問題となる翼間閉塞と抵抗増加に対して,上翼と下翼の食い違い(スタッガー)と主翼前後縁のフラップに注目し,同測定法による空間流れ場の理解と空力測定により,三次元ブーゼマン複葉翼の抵抗低減について検討する.

Outline of Final Research Achievements

In this study, a new flow field visualization technique using a light field camera was investigated as a flow field visualization method, and the possibility of its application to compressible flow was examined. In addition, the effectiveness of flap and stagger was clarified by optical measurement technique as a method of avoiding increased drag due to flow choking between airfoil elements, which is a problem in the acceleration from transonic to supersonic speeds of a Busemann biplane, which is expected to be one of the next generation supersonic aircraft. The experiments were conducted using a shock tube as an intermittent transonic wind tunnel. The results show that the proposed measurement technique is effective in measuring compressible flow, and that the flap and stagger of the Busemann biplane are effective in mitigating flow choking between airfoil elements.

Academic Significance and Societal Importance of the Research Achievements

本研究で提案するライトフィールドカメラを用いたフォーカシングシュリーレン光学系は,これまでの流れ場診断技術では困難であった任意断面の流れ場の奥行方向の可視化画像を定量的に得ることが可能であり,今後の風洞計測技術への適用が期待できる.また,ブーゼマン複葉翼へのスタッガーとフラップの適用は,同翼が遷音速から超音速に加速するときに生じる翼間閉塞による急激な抵抗増大を低減するために有効であることが実験的に明らかになり,同翼を用いた機体設計の基礎的データベースへの貢献が期待できる.

Report

(4 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Research-status Report
  • 2021 Research-status Report
  • Research Products

    (16 results)

All 2024 2023 2022 2021

All Journal Article (4 results) (of which Peer Reviewed: 4 results,  Open Access: 1 results) Presentation (12 results) (of which Int'l Joint Research: 6 results)

  • [Journal Article] Effects of Stagger on Low-speed Performance of Busemann Biplane Airfoil2022

    • Author(s)
      T. D. Nguyen, M. Kashitani, M. Taguchi, K. Kusunose
    • Journal Title

      Aerospace

      Volume: 9 Issue: 4 Pages: 1-23

    • DOI

      10.3390/aerospace9040197

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Analysis of stagger effects on Busemann supersonic biplane airfoil in shock tube tests by point diffraction interferometer method2022

    • Author(s)
      T. D. Nguyen, M. Taguchi, K. Tsuji, M. Kashitani, H. Tanno, K. Kusunose
    • Journal Title

      Aerospace Science and Technology

      Volume: 131 Pages: 1-14

    • DOI

      10.1016/j.ast.2022.107957

    • Related Report
      2022 Research-status Report
    • Peer Reviewed
  • [Journal Article] Analysis of a Wing-Fuselage Biplane with Trailing-Edge Flaps in Low-Speed Flow2022

    • Author(s)
      Thai Duong Nguyen , Masashi Kashitani, Kazuhiro Kusunose, Masato Taguchi, Yoshihiro Takita
    • Journal Title

      Journal of Aircraft

      Volume: 59 Issue: 2 Pages: 350-365

    • DOI

      10.2514/1.c036154

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] Fundamental Study on PIV Analysis of Flow Field Visualized by Focusing Schlieren Method2021

    • Author(s)
      樫谷賢士,田口正人
    • Journal Title

      AEROSPACE TECHNOLOGY JAPAN, THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES

      Volume: 20 Issue: 0 Pages: 97-100

    • DOI

      10.2322/astj.20.97

    • NAID

      130008074228

    • ISSN
      1884-0477
    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Presentation] 点回折干渉計法によるフラップを有するBusemann複葉翼まわりの遷音速流れの可視化2024

    • Author(s)
      樫谷賢士, 田口正人,辻康平
    • Organizer
      2023年度衝撃波シンポジウム
    • Related Report
      2023 Annual Research Report
  • [Presentation] Wake Measurement on a Three-Dimensional Model of Staggered Busemann Biplane in NDA 1.5m Low Speed Wind Tunnel2023

    • Author(s)
      Masato TAGUCHI and Masashi KASHITANI
    • Organizer
      Subsonic Aerodynamic Testing Association 57th Meeting
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Visualization of Transonic Flow around Flapped Busemann Biplane Airfoil by Point Diffraction Interferomenter2023

    • Author(s)
      Masato TAGUCHI, Masashi KASHITANI and Kohei TSUJI
    • Organizer
      20th International Symposium on Flow Visualization
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 遷音速流れのブーゼマン複葉翼間に発生する衝撃波について2023

    • Author(s)
      田口正人,グエンタイズオン,辻康平,樫谷賢士
    • Organizer
      2022年度衝撃波シンポジウム
    • Related Report
      2022 Research-status Report
  • [Presentation] Analysis of Low-speed Aerodynamic Characteristics of Busemann Biplane Airfoil installed High Lift Devices2022

    • Author(s)
      , T. D. Nguyen, M. Kashitani, M. Taguchi, K. Kusunose
    • Organizer
      33rd ICAS 2022
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research
  • [Presentation] Preliminary Study for Flow Field Diagnostics Using a Light Field Camera2022

    • Author(s)
      M. Kashitani, M. Taguchi, K. Tuji, S. Nakao, Y. Miyazato
    • Organizer
      9th AJWTFS 2022
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research
  • [Presentation] 風洞実験に向けたライトフィールドカメラを用いた流れ場の可視化に関する基礎研究2022

    • Author(s)
      辻康平,田口正人,樫谷賢士,仲尾晋一郎,宮里義昭
    • Organizer
      流体力学講演会
    • Related Report
      2022 Research-status Report
  • [Presentation] ブーゼマン複葉翼の遷音速衝撃波管流れ場に関する光学計測2022

    • Author(s)
      樫谷賢士,田口正人,辻康平,グエンタイズオン,楠瀬一洋
    • Organizer
      第60回飛行機シンポジウム
    • Related Report
      2022 Research-status Report
  • [Presentation] PDI法によるブーゼマン複葉翼の翼間流れに関する研究2022

    • Author(s)
      グエン タイ ズオン,辻康平,田口正人,樫谷賢,楠瀬一洋
    • Organizer
      2021衝撃波シンポジウム
    • Related Report
      2021 Research-status Report
  • [Presentation] ライトフィールド光学系による流れ場の可視化に関する基礎研究2022

    • Author(s)
      辻康平,田口正人,樫谷賢士, 仲尾晋一郎,宮里義昭
    • Organizer
      2021衝撃波シンポジウム
    • Related Report
      2021 Research-status Report
  • [Presentation] Aerodynamic Characteristics of Busemann Biplane Installed with High-Lift Device Using Low-Speed Smoke Wind Tunnel2022

    • Author(s)
      Masashi Kashitani, Nguyen T. Duong, Masato Taguchi, Kazuhiro Kusunose
    • Organizer
      AIAA Paper 2022-0140
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research
  • [Presentation] An Experimental Investigation of Busemann Biplane in Transonic Flow by Focusing Schlieren Technique2022

    • Author(s)
      Thai Duong Nguyen, Masato Taguchi, Masashi Kashitani
    • Organizer
      AIAA Paper 2022 0769
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research

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Published: 2021-04-28   Modified: 2025-01-30  

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