Measurement of projectile trajectory in dielectric target with micropower-impluse radar

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The micropower-impulse radar has been adapted for non-intrusive tracking of projectiles in dielectric targets. The main application of this technique is intended to be the validation of continuum mechanics simulation codes and material models used in the study of the interaction between high-velocity penetrators and concrete targets. Two experiments have been conducted in which a gun-launched 90-mm-diameter projectile was fired at velocities of 160 and 230 m/s into a cubical box filled with dry sand and tracked with the micropower-impulse radar. The system was adjusted so that a 2-m range in sand was divided into 511 timing intervals, which were ... continued below

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11 p.

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Baum, D.W.; Kuklo, R.M.; Rosenbury, E.T. & Simonson, S.C. November 20, 1997.

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Description

The micropower-impulse radar has been adapted for non-intrusive tracking of projectiles in dielectric targets. The main application of this technique is intended to be the validation of continuum mechanics simulation codes and material models used in the study of the interaction between high-velocity penetrators and concrete targets. Two experiments have been conducted in which a gun-launched 90-mm-diameter projectile was fired at velocities of 160 and 230 m/s into a cubical box filled with dry sand and tracked with the micropower-impulse radar. The system was adjusted so that a 2-m range in sand was divided into 511 timing intervals, which were swept every 0.1 ms. As the projectile took approximately 40 ms to come to rest this meant that there were 400measurements of its position. The CALE continuum mechanics simulation was used to model the projectile motion in the target, and close agreement was found with the measured trajectory.

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11 p.

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OSTI as DE98052160

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  • 17. international symposium on ballistics, Midrand (South Africa), 23-27 Mar 1998

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  • Other: DE98052160
  • Report No.: UCRL-JC--127524
  • Report No.: CONF-980342--
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 668384
  • Archival Resource Key: ark:/67531/metadc708211

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  • November 20, 1997

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • May 8, 2017, 12:45 p.m.

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Baum, D.W.; Kuklo, R.M.; Rosenbury, E.T. & Simonson, S.C. Measurement of projectile trajectory in dielectric target with micropower-impluse radar, article, November 20, 1997; California. (digital.library.unt.edu/ark:/67531/metadc708211/: accessed May 25, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.