Explosive-Driven Cylindrical Imploding Shocks in Solid Initiated with an Exploded Etched Copper Mesh

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著者

    • Abe T. ABE T.
    • Department of Materials Science & Resource Eng. , Kumamoto University
    • Yoshida M. YOSHIDA M.
    • Department of Advanced Chemical Technology, Energetic Materials Laboratory, National Institute of Materials and Chemical Research
    • FUJIWARA K.
    • Department of Materials Science & Resource Eng. , Kumamoto University
    • MATSUO H.
    • Department of Materials Science & Resource Eng. , Kumamoto University

抄録

Cylindrically imploding strong shocks have been generated in solid by the simultaneous detonation of cylindrical high explosive PBX shell. At first the outermost etched copper mesh on a film cylinder is exploded using a high voltage impulsive current, initiating low-density PETN shell. The PETN detonation gas blows off a cylindrical thin flyer, which collides with the inner PBX shell initiating its surface. As preliminary studies, the feasibility of newly developed etched copper mesh for the PETN detonation, cylindrical flyer acceleration systems and shock initiation of the PBX were investigated. Observed shadowgraph of imploding shocks in PMMA cylinder (40mmφ dia. ) shows that cylindrical strong shock wave has focused accelerating with a fairly good axisymmetry, and the comparison with numerical results indicates that the actual steady state C-J pressure of the PBX seems to be almost achieved.

収録刊行物

  • 高圧力の科学と技術 = The Review of high pressure science and technology  

    高圧力の科学と技術 = The Review of high pressure science and technology 7, 912-914, 1998 

    The Japan Society of High Pressure Science and Technology

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各種コード

  • NII論文ID(NAID)
    10002692296
  • NII書誌ID(NCID)
    AN10452913
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    0917639X
  • NDL 記事登録ID
    4494098
  • NDL 雑誌分類
    ZP1(科学技術--化学・化学工業)
  • NDL 請求記号
    Z17-1589
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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