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Ion plume investigation of a Hall Effect Thruster operating with Xe/N₂ and Xe/air mixtures

Gurciullo, Antonio, Lucca Fabris, Andrea and Cappelli, Mark A (2019) Ion plume investigation of a Hall Effect Thruster operating with Xe/N₂ and Xe/air mixtures Journal of Physics D: Applied Physics.

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Abstract

The ion plume of a 72mm diameter Hall Effect Thruster operated on mixtures of xenon/nitrogen and xenon/air is investigated by means of a Wien filter (or E x B probe). The dependence of the velocities of the plume ions (Xe⁺, Xe²⁺, Xe³⁺, O₂⁺, O⁺, N₂⁺ and N⁺) on the operating parameters of the thruster (anode voltage, anode power, mass flow rate and magnetic field) is explored. The most probable ion acceleration voltages, the ion current and density fractions of the multi-propellant, multi-species ion beam, are computed from the Wien filter spectra through a dedicated post-processing analysis. The knowledge of these properties is fundamental for understanding the contribution of each ion species to the propulsive performance metrics of the thruster when operated on these molecular gas mixtures.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering
Authors : Gurciullo, Antonio, Lucca Fabris, Andrea and Cappelli, Mark A
Date : 2019
Funders : Surrey Satellite Technology Ltd
DOI : 10.1088/1361-6463/ab36c5
Grant Title : PhD studentship
Copyright Disclaimer : © 2019 IOP Publishing Ltd. As the Version of Record of this article is going to be/has been published on a subscription basis, this Accepted Manuscript will be available for reuse under a CC BY-NC-ND 3.0 licence after a 12 month embargo period. Although reasonable endeavours have been taken to obtain all necessary permissions from third parties to include their copyrighted content within this article, their full citation and copyright line may not be present in this Accepted Manuscript version. Before using any content from this article, please refer to the Version of Record on IOPscience once published for full citation and copyright details, as permission may be required. All third party content is fully copyright protected, unless specifically stated otherwise in the figure caption of the Version of Record.
Uncontrolled Keywords : Wien filter; Alternative propellant; Hall Effect Thruster; Molecular propellant; Ion plume
Depositing User : Clive Harris
Date Deposited : 22 Aug 2019 11:00
Last Modified : 22 Aug 2019 11:00
URI: http://epubs.surrey.ac.uk/id/eprint/852462

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