A MULTI-STAGE DISTRIBUTED ENERGY PLASMA ARC RAILGUN

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Title: A MULTI-STAGE DISTRIBUTED ENERGY PLASMA ARC RAILGUN
Author: Karhi, Ryan W
Abstract: The development process pertaining to the design , fabrication , coding , and testing of multi -stage distributed energy plasma arc railguns are presented . In collaboration on an Air Force Office of Scientific Research (AFOSR ) funded Multidisciplinary University Research Initiative (MURI ) project , the Center for Pulsed Power and Power Electronics (P3E ) at Texas Tech University is responsible for developing and investigating a functional scale model of a multi -stage distributed energy store (DES ) railgun to analyze its effectiveness to suppress a restrike phenomenon and increase plasma armature railgun performance [1] . The term “restrike” denotes the formation of an electrical breakdown in the railgun bore some distance behind a traveling plasma armature . The formation of this secondary arc reduces the driving force on the primary armature and has led to a velocity ceiling of approximately 6 km /s on all breech -fed plasma armature railguns . Numerous solutions have been theorized as viable methods of restrike prevention but lack experimental verification . The primary objective of our research team within the MURI effort is to experimentally test Dr . Jerry Parker’s theoretical restrike suppression technique [2] that was developed at Los Alamos National Laboratory in the 1980’s . The project tasks are organized to identify potential problematic issues and verify theoretical concepts before implementation of a full scale system .
URI: http : / /hdl .handle .net /2346 /ETD -TTU -2010 -12 -1222
Date: 2010-12

Citation

A MULTI-STAGE DISTRIBUTED ENERGY PLASMA ARC RAILGUN. Texas Tech University. Available electronically from http : / /hdl .handle .net /2346 /ETD -TTU -2010 -12 -1222 .

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