The University of Southampton
University of Southampton Institutional Repository

Assessment of the T5 and T6 hollow cathodes as reaction control thrusters

Assessment of the T5 and T6 hollow cathodes as reaction control thrusters
Assessment of the T5 and T6 hollow cathodes as reaction control thrusters
Hollow cathodes have been proposed as reaction control thrusters for all-electric and small spacecraft. This paper makes an assessment of modified T5 and T6 hollow cathodes for use as millinewton range thrusters. The influence of terminal parameters such as discharge current, mass flow rate, and cathode/anode geometry on thrust production is discussed. The data indicate that the T5 cathode may be able to develop specific impulses in the range of 150–250 s with argon at reasonable thrust efficiencies of up to 14%. As such, hollow-cathode thrusters may meet some limited applications. However, it is unlikely that this type of thruster could be improved significantly or could compete with similar thrusters in the same operating range. High specific impulse operation is also shown to develop large discharge voltage fluctuations, which may significantly limit the lifetime of such a device.
0748-4658
810-820
Grubisic, Angelo
a4cab763-bbc0-4130-af65-229ae674e8c8
Gabriel, Stephen B.
ac76976d-74fd-40a0-808d-c9f68a38f259
Grubisic, Angelo
a4cab763-bbc0-4130-af65-229ae674e8c8
Gabriel, Stephen B.
ac76976d-74fd-40a0-808d-c9f68a38f259

Grubisic, Angelo and Gabriel, Stephen B. (2016) Assessment of the T5 and T6 hollow cathodes as reaction control thrusters. Journal of Propulsion and Power, 32 (4), 810-820. (doi:10.2514/1.b35556).

Record type: Article

Abstract

Hollow cathodes have been proposed as reaction control thrusters for all-electric and small spacecraft. This paper makes an assessment of modified T5 and T6 hollow cathodes for use as millinewton range thrusters. The influence of terminal parameters such as discharge current, mass flow rate, and cathode/anode geometry on thrust production is discussed. The data indicate that the T5 cathode may be able to develop specific impulses in the range of 150–250 s with argon at reasonable thrust efficiencies of up to 14%. As such, hollow-cathode thrusters may meet some limited applications. However, it is unlikely that this type of thruster could be improved significantly or could compete with similar thrusters in the same operating range. High specific impulse operation is also shown to develop large discharge voltage fluctuations, which may significantly limit the lifetime of such a device.

Text
__soton.ac.uk_ude_PersonalFiles_Users_ra3n13_mydocuments_EPRINTS_Angelo_Assessment of the T5 and T6 hollow cathodes.pdf - Version of Record
Restricted to Repository staff only
Request a copy

More information

Accepted/In Press date: 10 November 2015
e-pub ahead of print date: 13 May 2016
Published date: July 2016
Organisations: Aeronautics, Astronautics & Comp. Eng, Faculty of Engineering and the Environment, Astronautics Group

Identifiers

Local EPrints ID: 397826
URI: https://eprints.soton.ac.uk/id/eprint/397826
ISSN: 0748-4658
PURE UUID: fee63f95-3255-4837-bfbb-ede4687cedc4

Catalogue record

Date deposited: 07 Jul 2016 10:15
Last modified: 14 Aug 2019 18:14

Export record

Altmetrics

Download statistics

Downloads from ePrints over the past year. Other digital versions may also be available to download e.g. from the publisher's website.

View more statistics

Atom RSS 1.0 RSS 2.0

Contact ePrints Soton: eprints@soton.ac.uk

ePrints Soton supports OAI 2.0 with a base URL of https://eprints.soton.ac.uk/cgi/oai2

This repository has been built using EPrints software, developed at the University of Southampton, but available to everyone to use.

We use cookies to ensure that we give you the best experience on our website. If you continue without changing your settings, we will assume that you are happy to receive cookies on the University of Southampton website.

×