Modeling Initiation in Exploding Bridgewire Detonators

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One- and two-dimensional models of initiation in detonators are being developed for the purpose of evaluating the performance of aged and modified detonator designs. The models focus on accurate description of the initiator, whether it be an EBW (exploding bridgewire) that directly initiates a high explosive powder or an EBF (exploding bridgefoil) that sends an inert flyer into a dense HE pellet. The explosion of the initiator is simulated using detailed MHD equations of state as opposed to specific action-based phenomenological descriptions. The HE is modeled using the best available JWL equations of state. Results to date have been promising, ... continued below

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8 p. (0.4 MB)

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Hrousis, C A May 18, 2005.

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Description

One- and two-dimensional models of initiation in detonators are being developed for the purpose of evaluating the performance of aged and modified detonator designs. The models focus on accurate description of the initiator, whether it be an EBW (exploding bridgewire) that directly initiates a high explosive powder or an EBF (exploding bridgefoil) that sends an inert flyer into a dense HE pellet. The explosion of the initiator is simulated using detailed MHD equations of state as opposed to specific action-based phenomenological descriptions. The HE is modeled using the best available JWL equations of state. Results to date have been promising, however, work is still in progress.

Physical Description

8 p. (0.4 MB)

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PDF-file: 8 pages; size: 0.4 Mbytes

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  • Presented at: 36th International Annual Conference of ICT & 32nd International Pyrotechnics Seminar, Karlsruhe, Germany, Jun 28 - Jul 01, 2005

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  • Report No.: UCRL-CONF-212423
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 877872
  • Archival Resource Key: ark:/67531/metadc873744

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • May 18, 2005

Added to The UNT Digital Library

  • Sept. 21, 2016, 2:29 a.m.

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  • April 17, 2017, 1:10 p.m.

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Hrousis, C A. Modeling Initiation in Exploding Bridgewire Detonators, article, May 18, 2005; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc873744/: accessed September 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.