Experiments and computer simulations of the dynamic cavity formed by a particulated shaped-charge jet in sand

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Experiments have been carried out to measure the dynamic cavity growth of dry sand during penetration by particulated jets from Viper 65-mm-diameter, Cu-lined conical shaped charges at 1,000-mm standoff. The sand target was instrumented with foil switches, piezoelectric pins, and pressure transducers. Flash radiography at 450-keV was used to characterize the jets before impact and to image the target hole during jet penetration. The authors have developed a dry sand equation of state based on existing Hugoniot data as input to a porous material model incorporated in the 2-D arbitrary Lagrangian-Eulerian hydrocode CALE. They have carried out sand penetration simulations ... continued below

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8 p.

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Simonson, S.C.; Winer, K.A.; Reaugh, J.E.; Breithaupt, R.D. & Baum, D.W. February 28, 1995.

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Description

Experiments have been carried out to measure the dynamic cavity growth of dry sand during penetration by particulated jets from Viper 65-mm-diameter, Cu-lined conical shaped charges at 1,000-mm standoff. The sand target was instrumented with foil switches, piezoelectric pins, and pressure transducers. Flash radiography at 450-keV was used to characterize the jets before impact and to image the target hole during jet penetration. The authors have developed a dry sand equation of state based on existing Hugoniot data as input to a porous material model incorporated in the 2-D arbitrary Lagrangian-Eulerian hydrocode CALE. They have carried out sand penetration simulations in which the particulated jet is modeled as hot copper rods. By varying parameters in the sand and copper descriptions they identify those features that affect the dynamic cavity formation.

Physical Description

8 p.

Notes

OSTI as DE95009562

Source

  • 15. international symposium on ballistics, Haifa (Israel), 21-24 May 1995

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  • Other: DE95009562
  • Report No.: UCRL-JC--118375
  • Report No.: CONF-950537--4
  • Grant Number: W-7405-ENG-48
  • DOI: 10.2172/46703 | External Link
  • Office of Scientific & Technical Information Report Number: 46703
  • Archival Resource Key: ark:/67531/metadc681980

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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.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • February 28, 1995

Added to The UNT Digital Library

  • July 25, 2015, 2:21 a.m.

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  • Feb. 16, 2016, 7:06 p.m.

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Simonson, S.C.; Winer, K.A.; Reaugh, J.E.; Breithaupt, R.D. & Baum, D.W. Experiments and computer simulations of the dynamic cavity formed by a particulated shaped-charge jet in sand, report, February 28, 1995; California. (digital.library.unt.edu/ark:/67531/metadc681980/: accessed December 14, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.