Boosted Electromagnetic Device and Method to Accelerate Solid Metal Slugs to High Speeds
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Authors
Nolting, Eugene Ellis
Maier, William Bryan II
Morris, Gene
Subjects
Advisors
Date of Issue
2014-06-10
Date
Publisher
The Government of the United States of America, as represented by the Secretary of the Navy, Washington, DC (US)
Language
en_US
Abstract
A device and method which combine electromagnetic accel
eration with acceleration by high-pres sure gases derived from
chemical energy to achieve high slug speeds. In one embodi
ment the device includes a cylindrical metal tube having an
outer diameter and an inner diameter and a central channel; at
least one conductive coil surrounding the metal tube; a metal
slug disposed within the central channel; a conducting central
electrode, having a centrally formed cavity; a conducting rod
having at least one cavity including a propellant, wherein a ?rst portion of the conducting rod is attached to the metal slug
at a connection point, a second portion of the conducting rod
extends between the metal slug and the central electrode, and a third portion of the conducting rod extends within the cavity
of the central electrode such that a space is formed between
the end of the third portion and the back of the cavity within
the central electrode; and an insulator disposed within the
central channel and surrounding the conducting central elec
trode and the second portion of the conducting rod except at
the connection point. When a current is applied to the metal
tube, the central electrode, and the at least one conductive coil causes the conducting rod to break with resultant generation
of a plasma which ignites the propellant such that the energy
from the propellant and electromagnetic forces accelerate the
slug to speeds greater than are achievable by the propellant
alone.
Type
Patent
Description
Patent
Series/Report No
Department
Organization
Naval Postgraduate School (U.S.)
Identifiers
NPS Report Number
Sponsors
Funder
Format
Citation
Distribution Statement
Rights
This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.