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Acta Armamentarii ›› 2014, Vol. 35 ›› Issue (9): 1375-1380.doi: 10.3969/j.issn.1000-1093.2014.09.007

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Application of Ferrite Material in Hot-wire EED for Improving Its Adaptability to Electromagnetic Environment

REN Wei, BAI Ying-wei, CHU En-yi, ZHANG Zhou-mei, LI Ming   

  1. (Science and Technology on Applied Physical Chemistry Laboratory, Shaanxi Applied Physical Chemistry
  • Received:2013-10-01 Revised:2013-10-01 Online:2014-11-03
  • Contact: REN Wei E-mail:rw0192@163.com

Abstract: The electromagnetic induction and energy coupling effects of hot-wire electroexplosive device (EED) in electromagnetic environment have the effects on its safety and reliability. In order to effectively attenuate the effect of electromagnetic environment on EED, the ferrite beads are used in EED for continuous electromagnetic environmental hazard protection and adaptive design threough the effect tests and analysis. The test results show that electromagnetically induced current can be effectively attenuated by about 30%, and the use of ferrite beads can not affect the electric-heating performance of EED, which provides a method for the electromagnetic adaptabilitivity design of hot-wire EED.

Key words: ordnance science and technology, hot-wire EED, continuous electromagnetic wave, ferrite bead

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