Experimental Results and Performance Analysis of a 500 m/sec Linear Induction Launcher (LIL)

Z. Zabar, X. N. Lu, E. Levi, L. Birenbaum, J. Creadon

Research output: Contribution to journalArticle

Abstract

A computer model, previously validated, was used to study the performance of an experimental 3-phase launcher energized by a capacitor bank and designed to impart to a 137-gram projectile a muzzle velocity of 500 m/s: (1) the build-up of the traveling wave was examined; (2) the connection of the drive coils was changed; (3) the resistances of the drive circuits were calculated and measured; (4) the effect of the conductivity of the cylindrical tube (sleeve) constituting the projectile was assessed. Experimentally, a doubling of the muzzle velocity was achieved, from an earlier-obtained 250 m/s, to its present 476 m/s. This was done by strengthening the thin-walled aluminum sleeve by heat-treatment (aging) to prevent it from being crushed when the input energy was raised to its design value.

Original languageEnglish (US)
Pages (from-to)522-527
Number of pages6
JournalIEEE Transactions on Magnetics
Volume31
Issue number1
DOIs
StatePublished - Jan 1995

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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