Physics-based parametrization of the surface impedance for radio frequency sheaths
Abstract
The properties of sheaths near conducting surfaces are studied for the case where both magnetized plasma and intense radio frequency (rf) waves coexist. The work is motivated primarily by the need to understand, predict and control ion cyclotron range of frequency (ICRF) interactions with tokamak scrape-off layer plasmas, and is expected to be useful in modeling rf sheath interactions in global ICRF codes. Here, employing a previously developed model for oblique angle magnetized rf sheaths [J. R. Myra and D. A. D’Ippolito, Phys. Plasmas 22, 062507 (2015)], an investigation of the four-dimensional parameter space governing these sheath is carried out. By combining numerical and analytical results, a parametrization of the surface impedance and voltage rectification for rf sheaths in the entire four-dimensional space is obtained.
- Authors:
-
- Lodestar Research Corporation, Boulder, CO (United States)
- Publication Date:
- Research Org.:
- Lodestar Research Corp., Boulder, CO (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Fusion Energy Sciences (FES)
- OSTI Identifier:
- 1368368
- Alternate Identifier(s):
- OSTI ID: 1368600
- Report Number(s):
- DOE-ER/-54823-19; LRC-17-170
Journal ID: ISSN 1070-664X
- Grant/Contract Number:
- FC02-05ER54823; FG02-97ER54392
- Resource Type:
- Journal Article: Accepted Manuscript
- Journal Name:
- Physics of Plasmas
- Additional Journal Information:
- Journal Volume: 24; Journal Issue: 7; Journal ID: ISSN 1070-664X
- Publisher:
- American Institute of Physics (AIP)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 70 PLASMA PHYSICS AND FUSION TECHNOLOGY; radio-frequency; sheath; impedance; rectification; magnetized; ICRF; tokamak
Citation Formats
Myra, J. R. Physics-based parametrization of the surface impedance for radio frequency sheaths. United States: N. p., 2017.
Web. doi:10.1063/1.4990373.
Myra, J. R. Physics-based parametrization of the surface impedance for radio frequency sheaths. United States. https://doi.org/10.1063/1.4990373
Myra, J. R. Fri .
"Physics-based parametrization of the surface impedance for radio frequency sheaths". United States. https://doi.org/10.1063/1.4990373. https://www.osti.gov/servlets/purl/1368368.
@article{osti_1368368,
title = {Physics-based parametrization of the surface impedance for radio frequency sheaths},
author = {Myra, J. R.},
abstractNote = {The properties of sheaths near conducting surfaces are studied for the case where both magnetized plasma and intense radio frequency (rf) waves coexist. The work is motivated primarily by the need to understand, predict and control ion cyclotron range of frequency (ICRF) interactions with tokamak scrape-off layer plasmas, and is expected to be useful in modeling rf sheath interactions in global ICRF codes. Here, employing a previously developed model for oblique angle magnetized rf sheaths [J. R. Myra and D. A. D’Ippolito, Phys. Plasmas 22, 062507 (2015)], an investigation of the four-dimensional parameter space governing these sheath is carried out. By combining numerical and analytical results, a parametrization of the surface impedance and voltage rectification for rf sheaths in the entire four-dimensional space is obtained.},
doi = {10.1063/1.4990373},
url = {https://www.osti.gov/biblio/1368368},
journal = {Physics of Plasmas},
issn = {1070-664X},
number = 7,
volume = 24,
place = {United States},
year = {2017},
month = {7}
}
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Works referencing / citing this record:
Physics-Based Parametrization Of The Surface Impedance For Radio Frequency Sheaths [Supplemental Data]
dataset, April 2017
- Myra, J. R.
- Zenodo-Supplementary information for journal article at DOI: 10.1063/1.4990373, 10 files (179.1 kB)
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