Electrical method and apparatus for impelling the extruded ejection of high-velocity material jets
Patent
·
OSTI ID:867218
- Livermore, CA
A method and apparatus (10, 40) for producing high-velocity material jets provided. An electric current pulse generator (14, 42) is attached to an end of a coaxial two-conductor transmission line (16, 44) having an outer cylindrical conductor (18), an inner cylindrical conductor (20), and a solid plastic or ceramic insulator (21) therebetween. A coxial, thin-walled metal structure (22, 30) is conductively joined to the two conductors (18, 20) of the transmission line (16, 44). An electrical current pulse applies magnetic pressure to and possibly explosively vaporizes metal structure (22), thereby collapsing it and impelling the extruded ejection of a high-velocity material jet therefrom. The jet is comprised of the metal of the structure (22), together with the material that comprises any covering layers (32, 34) disposed on the structure. An electric current pulse generator of the explosively driven magnetic flux compression type or variety (42) may be advantageously used in the practice of this invention.
- Research Organization:
- Lawrence Livermore National Laboratory (LLNL), Livermore, CA
- DOE Contract Number:
- W-7405-ENG-48
- Assignee:
- United States of America as represented by Department of Energy (Washington, DC)
- Patent Number(s):
- US 4888522
- OSTI ID:
- 867218
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
/315/250/
10
14
16
18
20
21
22
30
32
34
40
42
44
advantageously
apparatus
applies
attached
ceramic
ceramic insulator
coaxial
collapsing
compression
comprised
comprises
conductively
conductor
conductors
covering
coxial
current
current pulse
cylindrical
disposed
driven
ejection
electric
electric current
electrical
electrical current
explosively
extruded
flux
flux compression
generator
high-velocity
high-velocity material
impelling
inner
inner cylindrical
insulator
jet
jets
joined
layers
line
magnetic
magnetic flux
magnetic pressure
material
material jets
metal
metal structure
method
outer
outer cylindrical
plastic
possibly
practice
pressure
producing
provided
pulse
pulse generator
solid
structure
therebetween
therefrom
thin-walled
thin-walled metal
transmission
transmission line
two-conductor
type
vaporizes
variety
10
14
16
18
20
21
22
30
32
34
40
42
44
advantageously
apparatus
applies
attached
ceramic
ceramic insulator
coaxial
collapsing
compression
comprised
comprises
conductively
conductor
conductors
covering
coxial
current
current pulse
cylindrical
disposed
driven
ejection
electric
electric current
electrical
electrical current
explosively
extruded
flux
flux compression
generator
high-velocity
high-velocity material
impelling
inner
inner cylindrical
insulator
jet
jets
joined
layers
line
magnetic
magnetic flux
magnetic pressure
material
material jets
metal
metal structure
method
outer
outer cylindrical
plastic
possibly
practice
pressure
producing
provided
pulse
pulse generator
solid
structure
therebetween
therefrom
thin-walled
thin-walled metal
transmission
transmission line
two-conductor
type
vaporizes
variety