Liquid 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.
Liquid-Metal-Fed Pulsed Plasma Thrusters
Advanced Space Propulsion Workshop (ASPW 2003) ; 2003 ; Huntsville, AL, United States
2003-01-01
Conference paper
No indication
English
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