Fast Camera Analysis of Plasma Instabilities in Hall Effect Thrusters Using a POD Method under Different Operating Regimes Article Swipe
Victor Désangles
,
Sergey Shcherbanev
,
Thomas Charoy
,
Noé Clément
,
Clarence Deltel
,
P. Richard
,
Simon Vincent
,
Pascal Chabert
,
Anne Bourdon
·
YOU?
·
· 2020
· Open Access
·
· DOI: https://doi.org/10.3390/atmos11050518
YOU?
·
· 2020
· Open Access
·
· DOI: https://doi.org/10.3390/atmos11050518
Even after half a century of development, many phenomena in Hall Effect Thrusters are still not well-understood. While numerical studies are now widely used to study this highly non-linear system, experimental diagnostics are needed to validate their results and identify specific oscillations. By varying the cathode heating current, its emissivity is efficiently controlled and a transition between two functioning regimes of a low power thruster is observed. This transition implies a modification of the axial electric field and of the plasma plume shape. High-speed camera imaging is performed and the data are analysed using a Proper Orthogonal Decomposition method to isolate the different types of plasma fluctuations occurring simultaneously. The low-frequency breathing mode is observed, along with higher frequency rotating modes that can be associated to rotating spokes or gradient-induced instabilities. These rotating modes are observed while propagating outside the thruster channel. The reduction of the cathode emissivity beyond the transition comes along with a disappearance of the breathing mode, which could improve the thruster performance and stability.
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- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.3390/atmos11050518
- https://www.mdpi.com/2073-4433/11/5/518/pdf?version=1590590302
- OA Status
- gold
- Cited By
- 17
- References
- 69
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W3024706917
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Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W3024706917Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.3390/atmos11050518Digital Object Identifier
- Title
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Fast Camera Analysis of Plasma Instabilities in Hall Effect Thrusters Using a POD Method under Different Operating RegimesWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2020Year of publication
- Publication date
-
2020-05-18Full publication date if available
- Authors
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Victor Désangles, Sergey Shcherbanev, Thomas Charoy, Noé Clément, Clarence Deltel, P. Richard, Simon Vincent, Pascal Chabert, Anne BourdonList of authors in order
- Landing page
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https://doi.org/10.3390/atmos11050518Publisher landing page
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https://www.mdpi.com/2073-4433/11/5/518/pdf?version=1590590302Direct link to full text PDF
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YesWhether a free full text is available
- OA status
-
goldOpen access status per OpenAlex
- OA URL
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https://www.mdpi.com/2073-4433/11/5/518/pdf?version=1590590302Direct OA link when available
- Concepts
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Emissivity, Plasma, Mechanics, Cathode, Physics, Plume, Mode (computer interface), Optics, Materials science, Computational physics, Computer science, Chemistry, Meteorology, Physical chemistry, Quantum mechanics, Operating systemTop concepts (fields/topics) attached by OpenAlex
- Cited by
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17Total citation count in OpenAlex
- Citations by year (recent)
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2025: 5, 2024: 2, 2023: 2, 2022: 4, 2021: 4Per-year citation counts (last 5 years)
- References (count)
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69Number of works referenced by this work
- Related works (count)
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10Other works algorithmically related by OpenAlex
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