Using AORSA to simulate helicon waves in DIII-D

C. Lau; E. F. Jaeger; N. Bertelli; L. A. Berry; D. Blazevski; D. L. Green; M. Murakami; J. M. Park; R. I. Pinsker; R. Prater

doi:10.1063/1.4936534

Using AORSA to simulate helicon waves in DIII-D

C. Lau, E. F. Jaeger, N. Bertelli, L. A. Berry, D. Blazevski, D. L. Green, M. Murakami, J. M. Park, R. I. Pinsker, R. Prater

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

9 Scopus citations

Abstract

Recent efforts have shown that helicon waves (fast waves at > 20ς_ci) may be an attractive option for driving efficient off-axis current drive during non-inductive tokamak operation for DIII-D, ITER and DEMO. For DIII-D scenarios, the ray tracing code, GENRAY, has been extensively used to study helicon current drive efficiency and location as a function of many plasma parameters. The full wave code, AORSA, which is applicable to arbitrary Larmor radius and can resolve arbitrary ion cyclotron harmonic order, has been recently used to validate the ray tracing technique at these high cyclotron harmonics. If the SOL is ignored, it will be shown that the GENRAY and AORSA calculated current drive profiles are comparable for the envisioned high beta advanced scenarios for DIII-D, where there is high single pass absorption due to electron Landau damping and minimal ion damping. AORSA is also been used to estimate possible SOL effects on helicon current drive coupling and SOL absorption due to collisional and slow wave effects.

Original language	English
Title of host publication	Radio Frequency Power in Plasmas
Subtitle of host publication	Proceedings of the 21St Topical Conference
Editors	Robert I. Pinsker
Publisher	American Institute of Physics Inc.
ISBN (Electronic)	9780735413368
DOIs	https://doi.org/10.1063/1.4936534
State	Published - Dec 10 2015
Event	21st Topical Conference on Radiofrequency Power in Plasmas - Lake Arrowhead, United States Duration: Apr 27 2015 → Apr 29 2015

Publication series

Name	AIP Conference Proceedings
Volume	1689
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

Conference

Conference	21st Topical Conference on Radiofrequency Power in Plasmas
Country/Territory	United States
City	Lake Arrowhead
Period	04/27/15 → 04/29/15

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10.1063/1.4936534

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Lau, C., Jaeger, E. F., Bertelli, N., Berry, L. A., Blazevski, D., Green, D. L., Murakami, M., Park, J. M., Pinsker, R. I., & Prater, R. (2015). Using AORSA to simulate helicon waves in DIII-D. In R. I. Pinsker (Ed.), Radio Frequency Power in Plasmas: Proceedings of the 21St Topical Conference Article 080011 (AIP Conference Proceedings; Vol. 1689). American Institute of Physics Inc.. https://doi.org/10.1063/1.4936534

@inproceedings{565b2518359641a48a385be92d0c3242,

title = "Using AORSA to simulate helicon waves in DIII-D",

abstract = "Recent efforts have shown that helicon waves (fast waves at > 20ςci) may be an attractive option for driving efficient off-axis current drive during non-inductive tokamak operation for DIII-D, ITER and DEMO. For DIII-D scenarios, the ray tracing code, GENRAY, has been extensively used to study helicon current drive efficiency and location as a function of many plasma parameters. The full wave code, AORSA, which is applicable to arbitrary Larmor radius and can resolve arbitrary ion cyclotron harmonic order, has been recently used to validate the ray tracing technique at these high cyclotron harmonics. If the SOL is ignored, it will be shown that the GENRAY and AORSA calculated current drive profiles are comparable for the envisioned high beta advanced scenarios for DIII-D, where there is high single pass absorption due to electron Landau damping and minimal ion damping. AORSA is also been used to estimate possible SOL effects on helicon current drive coupling and SOL absorption due to collisional and slow wave effects.",

author = "C. Lau and Jaeger, \{E. F.\} and N. Bertelli and Berry, \{L. A.\} and D. Blazevski and Green, \{D. L.\} and M. Murakami and Park, \{J. M.\} and Pinsker, \{R. I.\} and R. Prater",

note = "Publisher Copyright: {\textcopyright} 2015 AIP Publishing LLC.; 21st Topical Conference on Radiofrequency Power in Plasmas ; Conference date: 27-04-2015 Through 29-04-2015",

year = "2015",

month = dec,

day = "10",

doi = "10.1063/1.4936534",

language = "English",

series = "AIP Conference Proceedings",

publisher = "American Institute of Physics Inc.",

editor = "Pinsker, \{Robert I.\}",

booktitle = "Radio Frequency Power in Plasmas",

}

Lau, C, Jaeger, EF, Bertelli, N, Berry, LA, Blazevski, D, Green, DL, Murakami, M, Park, JM, Pinsker, RI & Prater, R 2015, Using AORSA to simulate helicon waves in DIII-D. in RI Pinsker (ed.), Radio Frequency Power in Plasmas: Proceedings of the 21St Topical Conference., 080011, AIP Conference Proceedings, vol. 1689, American Institute of Physics Inc., 21st Topical Conference on Radiofrequency Power in Plasmas, Lake Arrowhead, United States, 04/27/15. https://doi.org/10.1063/1.4936534

Using AORSA to simulate helicon waves in DIII-D. / Lau, C.; Jaeger, E. F.; Bertelli, N. et al.
Radio Frequency Power in Plasmas: Proceedings of the 21St Topical Conference. ed. / Robert I. Pinsker. American Institute of Physics Inc., 2015. 080011 (AIP Conference Proceedings; Vol. 1689).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

TY - GEN

T1 - Using AORSA to simulate helicon waves in DIII-D

AU - Lau, C.

AU - Jaeger, E. F.

AU - Bertelli, N.

AU - Berry, L. A.

AU - Blazevski, D.

AU - Green, D. L.

AU - Murakami, M.

AU - Park, J. M.

AU - Pinsker, R. I.

AU - Prater, R.

PY - 2015/12/10

Y1 - 2015/12/10

N2 - Recent efforts have shown that helicon waves (fast waves at > 20ςci) may be an attractive option for driving efficient off-axis current drive during non-inductive tokamak operation for DIII-D, ITER and DEMO. For DIII-D scenarios, the ray tracing code, GENRAY, has been extensively used to study helicon current drive efficiency and location as a function of many plasma parameters. The full wave code, AORSA, which is applicable to arbitrary Larmor radius and can resolve arbitrary ion cyclotron harmonic order, has been recently used to validate the ray tracing technique at these high cyclotron harmonics. If the SOL is ignored, it will be shown that the GENRAY and AORSA calculated current drive profiles are comparable for the envisioned high beta advanced scenarios for DIII-D, where there is high single pass absorption due to electron Landau damping and minimal ion damping. AORSA is also been used to estimate possible SOL effects on helicon current drive coupling and SOL absorption due to collisional and slow wave effects.

AB - Recent efforts have shown that helicon waves (fast waves at > 20ςci) may be an attractive option for driving efficient off-axis current drive during non-inductive tokamak operation for DIII-D, ITER and DEMO. For DIII-D scenarios, the ray tracing code, GENRAY, has been extensively used to study helicon current drive efficiency and location as a function of many plasma parameters. The full wave code, AORSA, which is applicable to arbitrary Larmor radius and can resolve arbitrary ion cyclotron harmonic order, has been recently used to validate the ray tracing technique at these high cyclotron harmonics. If the SOL is ignored, it will be shown that the GENRAY and AORSA calculated current drive profiles are comparable for the envisioned high beta advanced scenarios for DIII-D, where there is high single pass absorption due to electron Landau damping and minimal ion damping. AORSA is also been used to estimate possible SOL effects on helicon current drive coupling and SOL absorption due to collisional and slow wave effects.

UR - https://www.scopus.com/pages/publications/84984584137

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M3 - Conference contribution

AN - SCOPUS:84984584137

T3 - AIP Conference Proceedings

BT - Radio Frequency Power in Plasmas

A2 - Pinsker, Robert I.

PB - American Institute of Physics Inc.

T2 - 21st Topical Conference on Radiofrequency Power in Plasmas

Y2 - 27 April 2015 through 29 April 2015

ER -

Using AORSA to simulate helicon waves in DIII-D

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