NDLI: Two-stream efficiency model of the pulsed plasma thruster

Content Provider	IEEE Xplore Digital Library
Author	Burton, R.L.
Copyright Year	2000
Description	Author affiliation: Dept. of Aeronaut. & Astronaut. Eng., Illinois Univ., Urbana, IL, USA (Burton, R.L.)
Abstract	The Teflon/sup TM/ pulsed plasma thruster (PPT) is particularly well suited for propulsion of microspacecraft because of its simple inert fuel feed system and low power requirement. This paper discusses the thruster efficiency of a pulsed plasma thruster in terms of pulsed energy transfer, wall heat loss, frozen flow loss, velocity distribution loss, and exhaust beam divergence. The efficiency is described with the aid of a two-stream exhaust flow model, which assumes separate fast and slow particle streams, and invokes the Alfven critical velocity to evaluate efficiency in terms of measured parameters. The model is used to predict the differing performance of rectangular and coaxial PPTs, and shows good agreement with measured values. The model also indicates how thruster efficiency can be radically improved to values approaching 40% for specific impulse greater than 2000 seconds in the high current mode of operation.
File Size	51876
File Format	PDF
ISBN	0780359828
ISSN	07309244
DOI	10.1109/PLASMA.2000.854983
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-06-04
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Plasmas Power system modeling Propulsion Fuels Feeds Energy exchange Heat transfer Particle beams Velocity measurement Particle measurements
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering

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