Studies of a modulated Hall thruster.
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| Title: | Studies of a modulated Hall thruster. |
|---|---|
| Authors: | Simmonds, Jacob (AUTHOR) jacobbs@princeton.edu, Raitses, Yevgeny (AUTHOR), Smolyakov, Andrei (AUTHOR), Chapurin, Oleksandr (AUTHOR) |
| Source: | Plasma Sources Science & Technology. May2021, Vol. 30 Issue 5, p1-17. 17p. |
| Subjects: | Hall effect thruster, Hall effect, Power resources, Hybrid computer simulation, Oscillations, Resonance |
| Abstract: | A typical Hall thruster is powered from a DC power supply and operates with a constant discharge voltage. In operation, the discharge current is subject to strong low frequency oscillations (so-called breathing oscillations). Recent studies have shown that not only can these breathing oscillations be correlated with improved performance, but these oscillations can be induced and controlled by modulating the anode voltage. In this work, a systematic experimental study of the plasma flow in a modulated cylindrical Hall thruster was performed to characterize the effect of natural and modulated breathing oscillations on thruster performance. Measurements suggest that modulating the anode voltage in resonance with the natural breathing frequency does increase the thrust, but a corresponding phase alignment of discharge current and discharge voltage causes the efficiency gains to be insignificant. In addition, the outward shift of the acceleration region causes the plasma plume divergence to increase at the resonance condition and thereby, limit the thrust increase. Mechanisms underlying the relative phase between discharge current, ion current, and discharge voltage are investigated experimentally and corroborated with one-dimensional hybrid simulations of the thruster discharge. [ABSTRACT FROM AUTHOR] |
| Copyright of Plasma Sources Science & Technology is the property of IOP Publishing and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Engineering Source |
| FullText | Text: Availability: 0 |
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| Header | DbId: egs DbLabel: Engineering Source An: 151716662 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: Studies of a modulated Hall thruster. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Simmonds%2C+Jacob%22">Simmonds, Jacob</searchLink> (AUTHOR)<i> jacobbs@princeton.edu</i><br /><searchLink fieldCode="AR" term="%22Raitses%2C+Yevgeny%22">Raitses, Yevgeny</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Smolyakov%2C+Andrei%22">Smolyakov, Andrei</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chapurin%2C+Oleksandr%22">Chapurin, Oleksandr</searchLink> (AUTHOR) – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Plasma+Sources+Science+%26+Technology%22">Plasma Sources Science & Technology</searchLink>. May2021, Vol. 30 Issue 5, p1-17. 17p. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Hall+effect+thruster%22">Hall effect thruster</searchLink><br /><searchLink fieldCode="DE" term="%22Hall+effect%22">Hall effect</searchLink><br /><searchLink fieldCode="DE" term="%22Power+resources%22">Power resources</searchLink><br /><searchLink fieldCode="DE" term="%22Hybrid+computer+simulation%22">Hybrid computer simulation</searchLink><br /><searchLink fieldCode="DE" term="%22Oscillations%22">Oscillations</searchLink><br /><searchLink fieldCode="DE" term="%22Resonance%22">Resonance</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: A typical Hall thruster is powered from a DC power supply and operates with a constant discharge voltage. In operation, the discharge current is subject to strong low frequency oscillations (so-called breathing oscillations). Recent studies have shown that not only can these breathing oscillations be correlated with improved performance, but these oscillations can be induced and controlled by modulating the anode voltage. In this work, a systematic experimental study of the plasma flow in a modulated cylindrical Hall thruster was performed to characterize the effect of natural and modulated breathing oscillations on thruster performance. Measurements suggest that modulating the anode voltage in resonance with the natural breathing frequency does increase the thrust, but a corresponding phase alignment of discharge current and discharge voltage causes the efficiency gains to be insignificant. In addition, the outward shift of the acceleration region causes the plasma plume divergence to increase at the resonance condition and thereby, limit the thrust increase. Mechanisms underlying the relative phase between discharge current, ion current, and discharge voltage are investigated experimentally and corroborated with one-dimensional hybrid simulations of the thruster discharge. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Plasma Sources Science & Technology is the property of IOP Publishing and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1088/1361-6595/abf597 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 17 StartPage: 1 Subjects: – SubjectFull: Hall effect thruster Type: general – SubjectFull: Hall effect Type: general – SubjectFull: Power resources Type: general – SubjectFull: Hybrid computer simulation Type: general – SubjectFull: Oscillations Type: general – SubjectFull: Resonance Type: general Titles: – TitleFull: Studies of a modulated Hall thruster. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Simmonds, Jacob – PersonEntity: Name: NameFull: Raitses, Yevgeny – PersonEntity: Name: NameFull: Smolyakov, Andrei – PersonEntity: Name: NameFull: Chapurin, Oleksandr IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 05 Text: May2021 Type: published Y: 2021 Identifiers: – Type: issn-print Value: 09630252 Numbering: – Type: volume Value: 30 – Type: issue Value: 5 Titles: – TitleFull: Plasma Sources Science & Technology Type: main |
| ResultId | 1 |
