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Hybrid-PIC Simulation on Plasma Flow of Hollow Cathode
Open accessAbstract
In order to understand plasma properties of hollow cathodes, a numerical simulation code with Hybrid-PIC model has been developed, in which ions and electrons are modeled as particles and fluid, respectively. In this study, as a first step, the applicability of the model is demonstrated, and then the influences of the emitter temperature on the flow field are discussed for a discharge current of 30 A and a mass flow rate of 1 mg/s. The electron density for the maximum emitter temperature of 1900 K agrees well with the experimental data from JPL. The results also show that the electron density tends to be higher with lower emitter temperature due to the higher electron temperature inside the cathode tube. The higher electron temperature is caused by the energy loss suppression resulting from the higher sheath voltage on the emitter surface. It was also found that charge exchange collisions shift the location of the electron density peak upstream.
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References 37 · Cited by 13
Metadata
- Authors
- KUBOTA, K., OSHIO, Y., WATANABE, H., CHO, S., OHKAWA, Y., & FUNAKI, I.
- Affiliations
- Japan Aerospace Exploration Agency (JP)
- Institute of Space and Astronautical Science (JP)
- Tokyo Metropolitan University (JP)
- Venue
- TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, AEROSPACE TECHNOLOGY JAPAN
- Published
- 2016
- Volume
- 14
- Issue
- ists30
- Pages
- Pb_189-Pb_195
- ISSN
- 1884-0485 (ISSN-L)
- OpenAlex
- W2561675383
- Cited by
- 13
- References
- 37
- Citations by year
- 2026: 2 · 2025: 1 · 2024: 1 · 2022: 3 · 2021: 1 · 2020: 1 · 2019: 3
- FWCI
- 0.46
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES AEROSPACE TECHNOLOGY JAPAN (publishedVersion)
- JAXA Repository (JAXA) (submittedVersion, cc-by-nc-nd)
- Funders
- Japan Society for the Promotion of Science (26820377)
- Topics
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Low-Pressure Plasma Processing and Diagnostics
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Vacuum and Plasma Arcs
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Gyrotron and Vacuum Electronics Research
- Keywords
- hollow cathode, plasma flow, emitter temperature, electron density, electron temperature, sheath voltage, charge-exchange collisions, plasma thrusters
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- KUBOTA, K., OSHIO, Y., WATANABE, H., CHO, S., OHKAWA, Y., & FUNAKI, I. (2016). Hybrid-PIC Simulation on Plasma Flow of Hollow Cathode. TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, AEROSPACE TECHNOLOGY JAPAN. https://doi.org/10.2322/tastj.14.pb_189
