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Liquid-Metal-Fed Pulsed Plasma ThrustersLiquid metal propellants may provide a path toward more reliable and efficient pulsed plasma thrusters (PPTs). Conceptual thruster designs which eliminate the need for high current switches and propellant metering valves are described. Propellant loading techniques are suggested that, at least in principle, show promise to increase propellant utilization, dynamic, and electrical efficiency. Experimental results from a prototype electromagnetically-pumped propellant feed system, and experiments in the initiation of arc discharges in liquid metal droplets, are presented.
Document ID
20030062129
Acquisition Source
Marshall Space Flight Center
Document Type
Conference Paper
Authors
Markusic, Thomas
(NASA Marshall Space Flight Center Huntsville, AL, United States)
Date Acquired
August 21, 2013
Publication Date
January 1, 2003
Subject Category
Spacecraft Propulsion And Power
Meeting Information
Meeting: Advanced Space Propulsion Workshop (ASPW 2003)
Location: Huntsville, AL
Country: United States
Start Date: April 15, 2003
End Date: April 17, 2003
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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