THE USE OF AUTOFRETTAGED LOOSE BARREL LINER CONSTRUCTION FOR HYPERVELOCITY LAUNCHERS

Abstract

The use of gun-type hypervelocity launchers in aerodynamic research and development has placed a severe problem on the designer of these devices. The extremely high muzzle velocities (12,000 feet per second to 30,000 feet per second) attained increase the barrel erosion and wear to such levels that a very low firing life is available. Thus, the cost of employing these launchers in a research program, because of high replacement costs and low life expectancy, becomes excessive. This report treats the possibility of using the loose liner barrel construction as a means of reducing these costs and shows that employment of autofrettaged liners offers distinct advantages.

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Document Details

Document Type
Technical Report
Publication Date
May 15, 1963
Accession Number
AD0695364

Entities

People

  • A. E. Seigel
  • V. C. Dawson

Organizations

  • Naval Ordnance Laboratory

Tags

Communities of Interest

  • Weapons Technologies

DTIC Thesaurus Topics

  • Autofrettage
  • Clearances
  • Construction
  • Diameters
  • Equations
  • High Pressure
  • Internal Pressure
  • Launchers
  • Munitions
  • Muzzle Velocity
  • Ordnance Laboratories
  • Pressurization
  • Residual Stress
  • Residuals
  • Stresses
  • Tubes
  • Yield Strength

Readers

  • Life Cycle Cost Analysis
  • Systems Analysis and Design
  • ballistics.

Technology Areas

  • Hypersonics