Diverse wave-particle interactions for energetic ions that traverse Alfvén eigenmodes on their first full orbit [Diverse nonlinear wave-particle interactions for energetic ions that traverse Alfvén eigenmodes on their first full orbit]

Heidbrink, W. W.; Persico, E. A. D.; Austin, M. E.; Chen, Xi; Pace, D. C.; Van Zeeland, M. A.

doi:10.1063/1.4941587

Title: Diverse wave-particle interactions for energetic ions that traverse Alfvén eigenmodes on their first full orbit [Diverse nonlinear wave-particle interactions for energetic ions that traverse Alfvén eigenmodes on their first full orbit]

Abstract

Neutral-beam ions that are deflected onto loss orbits by Alfvén eigenmodes (AE) on their first bounce orbit and are detected by a fast-ion loss detector (FILD) satisfy the “local resonance” condition proposed by Zhang et al. [Nucl. Fusion 55, 22002 (2015)]. This theory qualitatively explains FILD observations for a wide variety of AE-particle interactions. When coherent losses are measured for multiple AE, oscillations at the sum and difference frequencies of the independent modes are often observed in the loss signal. The amplitudes of the sum and difference peaks correlate weakly with the amplitudes of the fundamental loss-signal amplitudes but do not correlate with the measured mode amplitudes. In contrast to a simple uniform-plasma theory of the interaction [Chen et al., Nucl. Fusion 54, 083005 (2014)], the loss-signal amplitude at the sum frequency is often larger than the loss-signal amplitude at the difference frequency, indicating a more detailed computation of the orbital trajectories through the mode eigenfunctions is needed.

Authors:

Heidbrink, W. W. ^[1];

^[1]; Austin, M. E. ^[2]; Chen, Xi ^[3];

^[3]; Van Zeeland, M. A. ^[3]

Univ. of California, Irvine, CA (United States)
Univ. of Texas, Austin, TX (United States)
General Atomics, San Diego, CA (United States)

Publication Date:: Tue Feb 09 00:00:00 EST 2016

Research Org.:: General Atomics, San Diego, CA (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Fusion Energy Sciences (FES)

Contributing Org.:: University of California Irvine, Irvine, California, USA University of Texas, Austin, Texas, USA

OSTI Identifier:: 1369229

Alternate Identifier(s):: OSTI ID: 1421120

Grant/Contract Number:: FC02-04ER54698; SCG903402; FG03-97ER54415

Resource Type:: Accepted Manuscript

Journal Name:: Physics of Plasmas

Additional Journal Information:: Journal Volume: 23; Journal Issue: 2; Related Information: W.W. Heidbrink, E.A.D. Persico, M.E. Austin, Xi Chen, D.C. Pace and M.A. Van Zeeland, Diverse wave-particle interactions for energetic ions that traverse Alfven eigenmodes on their first full orbit, Phys. Plasmas 23, 022503 (2016); 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

Citation Formats


                    Heidbrink, W. W., Persico, E. A. D., Austin, M. E., Chen, Xi, Pace, D. C., and Van Zeeland, M. A. Diverse wave-particle interactions for energetic ions that traverse Alfvén eigenmodes on their first full orbit [Diverse nonlinear wave-particle interactions for energetic ions that traverse Alfvén eigenmodes on their first full orbit].  United States: N. p., 2016. 
Web.  doi:10.1063/1.4941587.

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                    Heidbrink, W. W., Persico, E. A. D., Austin, M. E., Chen, Xi, Pace, D. C., & Van Zeeland, M. A. Diverse wave-particle interactions for energetic ions that traverse Alfvén eigenmodes on their first full orbit [Diverse nonlinear wave-particle interactions for energetic ions that traverse Alfvén eigenmodes on their first full orbit].  United States.  https://doi.org/10.1063/1.4941587

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                    Heidbrink, W. W., Persico, E. A. D., Austin, M. E., Chen, Xi, Pace, D. C., and Van Zeeland, M. A. Tue .  
"Diverse wave-particle interactions for energetic ions that traverse Alfvén eigenmodes on their first full orbit [Diverse nonlinear wave-particle interactions for energetic ions that traverse Alfvén eigenmodes on their first full orbit]".  United States.  https://doi.org/10.1063/1.4941587.  https://www.osti.gov/servlets/purl/1369229.

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@article{osti_1369229,

  title        = {Diverse wave-particle interactions for energetic ions that traverse Alfvén eigenmodes on their first full orbit [Diverse nonlinear wave-particle interactions for energetic ions that traverse Alfvén eigenmodes on their first full orbit]},

  author       = {Heidbrink, W. W. and Persico, E. A. D. and Austin, M. E. and Chen, Xi and Pace, D. C. and Van Zeeland, M. A.},

  abstractNote = {Neutral-beam ions that are deflected onto loss orbits by Alfvén eigenmodes (AE) on their first bounce orbit and are detected by a fast-ion loss detector (FILD) satisfy the “local resonance” condition proposed by Zhang et al. [Nucl. Fusion 55, 22002 (2015)]. This theory qualitatively explains FILD observations for a wide variety of AE-particle interactions. When coherent losses are measured for multiple AE, oscillations at the sum and difference frequencies of the independent modes are often observed in the loss signal. The amplitudes of the sum and difference peaks correlate weakly with the amplitudes of the fundamental loss-signal amplitudes but do not correlate with the measured mode amplitudes. In contrast to a simple uniform-plasma theory of the interaction [Chen et al., Nucl. Fusion 54, 083005 (2014)], the loss-signal amplitude at the sum frequency is often larger than the loss-signal amplitude at the difference frequency, indicating a more detailed computation of the orbital trajectories through the mode eigenfunctions is needed.},

  doi          = {10.1063/1.4941587},

  journal      = {Physics of Plasmas},

  number       = 2,

  volume       = 23,

  place        = {United States},

  year         = {Tue Feb 09 00:00:00 EST 2016},

  month        = {Tue Feb 09 00:00:00 EST 2016}

}

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Works referenced in this record:

Reconstruction of current profile parameters and plasma shapes in tokamaks
journal, November 1985

Lao, L. L.; St. John, H.; Stambaugh, R. D.
Nuclear Fusion, Vol. 25, Issue 11
DOI: 10.1088/0029-5515/25/11/007

Electron cyclotron emission radiometer upgrade on the DIII-D tokamak
journal, March 2003

Austin, M. E.; Lohr, J.
Review of Scientific Instruments, Vol. 74, Issue 3
DOI: 10.1063/1.1530387

Mapping and uncertainty analysis of energy and pitch angle phase space in the DIII-D fast ion loss detector
journal, November 2014

Pipes, R.; Fisher, R. K.; Van Zeeland, M. A.
Review of Scientific Instruments, Vol. 85, Issue 11
DOI: 10.1063/1.4891596

Magnetic diagnostic system of the DIII-D tokamak
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Strait, E. J.
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Using neutral beams as a light ion beam probe (invited)
journal, November 2014

Chen, Xi; Heidbrink, W. W.; Van Zeeland, M. A.
Review of Scientific Instruments, Vol. 85, Issue 11
DOI: 10.1063/1.4889733

Non-linear wave-particle interactions and fast ion loss induced by multiple Alfvén eigenmodes in the DIII-D tokamak
journal, May 2014

Chen, Xi; Kramer, G. J.; Heidbrink, W. W.
Nuclear Fusion, Vol. 54, Issue 8
DOI: 10.1088/0029-5515/54/8/083005

Fast-Ion Losses due to High-Frequency MHD Perturbations in the ASDEX Upgrade Tokamak
journal, February 2008

García-Muñoz, M.; Fahrbach, H. -U.; Günter, S.
Physical Review Letters, Vol. 100, Issue 5
DOI: 10.1103/PhysRevLett.100.055005

Motional Stark effect upgrades on DIII‐D
journal, January 1995

Rice, B. W.; Nilson, D. G.; Wróblewski, D.
Review of Scientific Instruments, Vol. 66, Issue 1
DOI: 10.1063/1.1146416

Radial Structure of Alfvén Eigenmodes in the DIII-D Tokamak through Electron-Cyclotron-Emission Measurements
journal, September 2006

Van Zeeland, M. A.; Kramer, G. J.; Austin, M. E.
Physical Review Letters, Vol. 97, Issue 13
DOI: 10.1103/PhysRevLett.97.135001

Alfvén eigenmode observations on DIII-D via two-colour CO ₂ interferometry
journal, August 2005

Zeeland, M. A. Van; Kramer, G. J.; Nazikian, R.
Plasma Physics and Controlled Fusion, Vol. 47, Issue 9
DOI: 10.1088/0741-3335/47/9/L01

Loss of energetic beam ions during TAE instabilities
journal, May 1993

Duong, H. H.; Heidbrink, W. W.; Strait, E. J.
Nuclear Fusion, Vol. 33, Issue 5
DOI: 10.1088/0029-5515/33/5/I06

Local wave particle resonant interaction causing energetic particle prompt loss in DIII-D plasmas
journal, October 2015

Zhang, R. B.; Fu, G. Y.; White, R. B.
Nuclear Fusion, Vol. 55, Issue 12
DOI: 10.1088/0029-5515/55/12/122002

Prompt non-resonant neutral beam-ion loss induced by Alfvén eigenmodes in the DIII-D tokamak
journal, November 2013

Chen, X.; Heidbrink, W. W.; Kramer, G. J.
Nuclear Fusion, Vol. 53, Issue 12
DOI: 10.1088/0029-5515/53/12/123019

Enhanced Localized Energetic-Ion Losses Resulting from Single-Pass Interactions with Alfvén Eigenmodes
journal, February 2013

Chen, X.; Austin, M. E.; Fisher, R. K.
Physical Review Letters, Vol. 110, Issue 6
DOI: 10.1103/PhysRevLett.110.065004

Pitch angle resolved measurements of escaping charged fusion products in TFTR
journal, May 1989

Zweben, S. J.
Nuclear Fusion, Vol. 29, Issue 5
DOI: 10.1088/0029-5515/29/5/012

Near midplane scintillator-based fast ion loss detector on DIII-D
journal, October 2012

Chen, X.; Fisher, R. K.; Pace, D. C.
Review of Scientific Instruments, Vol. 83, Issue 10
DOI: 10.1063/1.4732063

Ions lost on their first orbit can impact Alfvén eigenmode stability
journal, August 2015

Heidbrink, W. W.; Fu, Guo-Yong; Van Zeeland, M. A.
Physics of Plasmas, Vol. 22, Issue 8
DOI: 10.1063/1.4928436

Pitch angle resolved measurements of escaping charged fusion products in TFTR
report, January 1989

Zweben, S. J.
DOI: 10.2172/6433253

Works referencing / citing this record:

Dynamic neutral beam current and voltage control to improve beam efficacy in tokamaks
journal, May 2018

Austin, M. E.; Bardoczi, L.; Collins, C. S.
Physics of Plasmas, Vol. 25, Issue 5
DOI: 10.1063/1.5016160

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Title: Diverse wave-particle interactions for energetic ions that traverse Alfvén eigenmodes on their first full orbit [Diverse nonlinear wave-particle interactions for energetic ions that traverse Alfvén eigenmodes on their first full orbit]

Abstract

Citation Formats

Reconstruction of current profile parameters and plasma shapes in tokamaks journal, November 1985

Electron cyclotron emission radiometer upgrade on the DIII-D tokamak journal, March 2003

Mapping and uncertainty analysis of energy and pitch angle phase space in the DIII-D fast ion loss detector journal, November 2014

Magnetic diagnostic system of the DIII-D tokamak journal, February 2006

Using neutral beams as a light ion beam probe (invited) journal, November 2014

Non-linear wave-particle interactions and fast ion loss induced by multiple Alfvén eigenmodes in the DIII-D tokamak journal, May 2014

Fast-Ion Losses due to High-Frequency MHD Perturbations in the ASDEX Upgrade Tokamak journal, February 2008

Motional Stark effect upgrades on DIII‐D journal, January 1995

Radial Structure of Alfvén Eigenmodes in the DIII-D Tokamak through Electron-Cyclotron-Emission Measurements journal, September 2006

Alfvén eigenmode observations on DIII-D via two-colour CO 2 interferometry journal, August 2005

Loss of energetic beam ions during TAE instabilities journal, May 1993

Local wave particle resonant interaction causing energetic particle prompt loss in DIII-D plasmas journal, October 2015

Prompt non-resonant neutral beam-ion loss induced by Alfvén eigenmodes in the DIII-D tokamak journal, November 2013

Enhanced Localized Energetic-Ion Losses Resulting from Single-Pass Interactions with Alfvén Eigenmodes journal, February 2013

Pitch angle resolved measurements of escaping charged fusion products in TFTR journal, May 1989

Near midplane scintillator-based fast ion loss detector on DIII-D journal, October 2012

Ions lost on their first orbit can impact Alfvén eigenmode stability journal, August 2015

Pitch angle resolved measurements of escaping charged fusion products in TFTR report, January 1989

Dynamic neutral beam current and voltage control to improve beam efficacy in tokamaks journal, May 2018

Reconstruction of current profile parameters and plasma shapes in tokamaks
journal, November 1985

Electron cyclotron emission radiometer upgrade on the DIII-D tokamak
journal, March 2003

Mapping and uncertainty analysis of energy and pitch angle phase space in the DIII-D fast ion loss detector
journal, November 2014

Magnetic diagnostic system of the DIII-D tokamak
journal, February 2006

Using neutral beams as a light ion beam probe (invited)
journal, November 2014

Non-linear wave-particle interactions and fast ion loss induced by multiple Alfvén eigenmodes in the DIII-D tokamak
journal, May 2014

Fast-Ion Losses due to High-Frequency MHD Perturbations in the ASDEX Upgrade Tokamak
journal, February 2008

Motional Stark effect upgrades on DIII‐D
journal, January 1995

Radial Structure of Alfvén Eigenmodes in the DIII-D Tokamak through Electron-Cyclotron-Emission Measurements
journal, September 2006

Alfvén eigenmode observations on DIII-D via two-colour CO ₂ interferometry
journal, August 2005

Loss of energetic beam ions during TAE instabilities
journal, May 1993

Local wave particle resonant interaction causing energetic particle prompt loss in DIII-D plasmas
journal, October 2015

Prompt non-resonant neutral beam-ion loss induced by Alfvén eigenmodes in the DIII-D tokamak
journal, November 2013

Enhanced Localized Energetic-Ion Losses Resulting from Single-Pass Interactions with Alfvén Eigenmodes
journal, February 2013

Pitch angle resolved measurements of escaping charged fusion products in TFTR
journal, May 1989

Near midplane scintillator-based fast ion loss detector on DIII-D
journal, October 2012

Ions lost on their first orbit can impact Alfvén eigenmode stability
journal, August 2015

Pitch angle resolved measurements of escaping charged fusion products in TFTR
report, January 1989

Dynamic neutral beam current and voltage control to improve beam efficacy in tokamaks
journal, May 2018