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Volume 15 Issue 4
Sep.  2013
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Visualization of explosive field and initial combustion of detonating powder by time series interferometry

  • 1.

    Department of Applied Physics, East China Institute of Technology

  • Received Date: 1990-11-26
  • A pulsed YAG laser is used to ignite detonating powder to produce a explosive field and combustion field.The time series interferograms of the explosive field and initial combustion process are obtained with a time series interferometry which consists of a large aperture and long path interferometer,a series pulsed laser source and a rotating right angle prism type of high speed canning camera. These time series interferograms form the basis of studying the characteristics of the explosive field and combustion field of the detonating powder.
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  • [1] 藤原修三,角馆洋三,吉田正典et al.工业火药协会誌,1984;45(2):98-10.
    [2]

    Yuichi NAKAMURA,Hideo MATSUO.Optical observations on the explosion phenomena of detonators by laser-shadowgraphy,Journal of the industrial explosive society,1980,41(2):10.6-1113.
    [3]

    He Anzhi,Yan Dapeng.Large-aperture,long-path interferometer for measuring transient thermal fields.Opt Engng,1988,27(10):841-844.
    [4]

    He Anzhi,Yan Dapeng,Ni Xiaowu,Right-angle prism type of internal drum high speed camera.In:Peter Fuller ed.19th international congress on high-speed photography and photonics,SPIE,Churchill College Cambridge,1990,SPIE,1990:26.
    [5]

    He Anzhi,Yan Dapeng,Ni Xiawu.High speed photog raphy by using two-dimensional acousto-aptic lattice deflection and its applications.In: Stradling G L ed,Ultrahigh speed and high speed photography,photonics,and videography,SPIE,Bellingham,1989,SPIE,1990:131-135
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Visualization of explosive field and initial combustion of detonating powder by time series interferometry

  • 1. Department of Applied Physics, East China Institute of Technology
  • Received Date: 1990-11-26
  • Available Online: 1991-07-25

Abstract: A pulsed YAG laser is used to ignite detonating powder to produce a explosive field and combustion field.The time series interferograms of the explosive field and initial combustion process are obtained with a time series interferometry which consists of a large aperture and long path interferometer,a series pulsed laser source and a rotating right angle prism type of high speed canning camera. These time series interferograms form the basis of studying the characteristics of the explosive field and combustion field of the detonating powder.

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