Mechanisms Inducing Jet Rotation in Shear-Formed Shaped-Charge Liners

Abstract

This report is concerned with the mechanisms by which rotation may be introduced into the jet of a stationary shaped charge which employs a shear-formed liner. After a brief review of the past efforts in the area, an analysis is presented on the nature of jet rotation as it relates to the concept of shaped-charge jet spin compensation. Two mechanisms are introduced which have traditionally been considered likely candidates for inducing rotation in jets from shear-formed liners. These mechanisms are residual stress and mechanical anisotropy. Analytical, experimental and computational analyses are presented in an attempt to quantify the jet rotation rate that each respective mechanism is likely to effect, thus revealing the relative importance which should be attached to each mechanism. Results indicate that mechanical anisotropy in the shear-formed liner is the significant mechanism involved in producing a rotational jet from a stationary shaped charge.

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Document Details

Document Type
Technical Report
Publication Date
Mar 01, 1990
Accession Number
ADA220776

Entities

People

  • Steven B. Segletes

Organizations

  • Ballistic Research Laboratory

Tags

Communities of Interest

  • Air Platforms
  • Energy and Power Technologies
  • Weapons Technologies

DTIC Thesaurus Topics

  • Angular Momentum
  • Bulk Modulus
  • Elastic Properties
  • Explosives
  • Geometry
  • Hydrostatic Pressure
  • Manufacturing
  • Materials
  • Mechanical Phenomena
  • Mechanical Properties
  • Mechanics
  • Moment Of Inertia
  • Munitions
  • Plastic Flow
  • Plastic Properties
  • Shaped Charges
  • Two Dimensional

Fields of Study

  • Physics

Readers

  • Combustion and Flow Dynamics.
  • Control Systems Engineering.
  • Rocket Propulsion.