Spectral characterization of an educational Hall Effect Thruster
POSTER
Abstract
An SPT-type Hall Effect Thruster was built by a team of students form several MA colleges [1]. Test operation on Ar and Kr propellants was recently attempted at the Northeastern University Plasma Laboratory. HET was mounted inside the 10 m3 vacuum chamber with ~10,000 L/s pumping capacity using the infrastructure developed for the BHT-200 [2,3]. Broad NUV-NIR spectra were collected for both propellants. They reveal the presence of neutral atoms, ions, and diatomic molecules. Doppler spectroscopy of a strong Kr ion emission line was attempted using the high-resolution system for non-invasive plasma diagnostics [4]. The collected Ar/Kr data and their analysis will be presented and discussed.
*Supported by AFOSR Award No. FA9550–20–1–0330 at NU
Publication: [1] Braden Oh, et al, Design, fabrication, and testing of an undergraduate hall effect thruster,
Journal of Electric Propulsion, volume 2, Article number: 6 (2023)
[2] O.Batishchev, A.Hyde, J.Szabo, Spectral Characterization of Hall Effect Thruster Exhaust, 62nd Annual APS DPP Meeting, NP14.00013, November 11th, 2020
[3] O.Batishchev, A.Hyde, J.Szabo, Spectral characterization of the Hall Effect thruster operating on Kr propellant, 63rd Annual APS DPP Meeting, PP11.00028, November 10th, 2021
[4] A. Hyde, O. Batishchev, A high-resolution spectroscopic system for remote measurement of plasma parameters, Review of Sci. Instr. 91(063502), June 2020.
Presenters
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Harrison Adler
- Northeastern University