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Thrust Balance Characterization of a 200 W Quad Confinement Thruster for High Thrust Regimes

Knoll, AK, lamprou, D, lappas, V, Pollard, M and Bianco, P (2015) Thrust Balance Characterization of a 200 W Quad Confinement Thruster for High Thrust Regimes IEEE Transactions on Plasma Science, 43 (1). pp. 185-189.

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Abstract

A thrust balance characterization of a low powered Quad Confinement Thruster is presented for high levels of propellant flow. The nominal flow rate for this device is between 1 and 2 sccm of xenon propellant. This paper extends the operating range, and investigates the performance at two high flow conditions of 10 and 20 sccm. Power is varied incrementally between 20 and 200 W in order to characterize the performance versus power trends of the device. It was found that for these high flow regimes the propellant is underutilized, and a proportion of the increased thrust can likely be attributed to a hot gas expansion of the neutral xenon rather than the generation of additional accelerated ions. The thrust was increased from 1 (nominal) to 3.3 mN at 200 W of input power for the 20 sccm condition. However, the performance penalty in terms of the specific impulse was considerable. The specific impulse under these conditions dropped below 200 s, where the nominal condition is 1000 s. A compromise between increased thrust and decreased performance was found at 10 sccm of flow: 3 mN of thrust at 300 s specific impulse.

Item Type: Article
Subjects : Surrey Space Centre
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering > Surrey Space Centre
Authors :
AuthorsEmailORCID
Knoll, AKUNSPECIFIEDUNSPECIFIED
lamprou, DUNSPECIFIEDUNSPECIFIED
lappas, VUNSPECIFIEDUNSPECIFIED
Pollard, MUNSPECIFIEDUNSPECIFIED
Bianco, PUNSPECIFIEDUNSPECIFIED
Date : 1 January 2015
Identification Number : https://doi.org/10.1109/TPS.2014.2323417
Copyright Disclaimer : © 2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Uncontrolled Keywords : Plasma device, plasma engine, propulsion, space vehicle propulsion
Depositing User : Symplectic Elements
Date Deposited : 02 Nov 2016 17:48
Last Modified : 02 Nov 2016 17:48
URI: http://epubs.surrey.ac.uk/id/eprint/812139

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