Free form hemispherical shaped charge

Patent · Mon Jan 01 04:00:00 EST 1996

OSTI ID:870440

A hemispherical shaped charge has been modified such that one side of the hemisphere is spherical and the other is aspherical allowing a wall thickness variation in the liner. A further modification is to use an elongated hemispherical shape. The liner has a thick wall at its pole and a thin wall at the equator with a continually decreasing wall thickness from the pole to the equator. The ratio of the wall thickness from the pole to the equator varies depending on liner material and HE shape. Hemispherical shaped charges have previously been limited to spherical shapes with no variations in wall thicknesses. By redesign of the basic liner thicknesses, the jet properties of coherence, stability, and mass distribution have been significantly improved.

• Research Organization: Lawrence Livermore National Laboratory (LLNL), Livermore, CA
• DOE Contract Number: W-7405-ENG-48
• Assignee: United States of America as represented by United States (Washington, DC)
• Patent Number(s): US 5522319
• OSTI ID: 870440
• Country of Publication: United States
• Language: English

Related Subjects

/102/175/
allowing
aspherical
basic
charge
charges
coherence
continually
decreasing
depending
distribution
elongated
equator
form
free
hemisphere
hemispherical
hemispherical shaped
improved
jet
limited
liner
liner material
mass
mass distribution
material
modification
modified
pole
previously
properties
ratio
redesign
shape
shaped
shaped charge
shaped charges
shapes
significantly
significantly improve
significantly improved
spherical
spherical shape
spherical shaped
stability
thick
thick wall
thickness
thickness variation
thicknesses
variation
variations
varies
wall
wall thickness