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E. D. Fredrickson
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Journal Articles

Nonlinear simulations of GAEs in NSTX-U

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E. V. Belova, E. D. Fredrickson, N. A. Crocker
Journal: Physics of Plasmas
Phys. Plasmas 31, 092510 (2024)
https://doi.org/10.1063/5.0222439
Published: September 2024
View article titled, Nonlinear simulations of GAEs in NSTX-U
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Journal Articles

On the frequency bifurcations of the MHD startup modes in NSTX

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S. Munaretto, N. M. Ferraro, E. D. Fredrickson
Journal: Physics of Plasmas
Phys. Plasmas 30, 062502 (2023)
https://doi.org/10.1063/5.0147928
Published: June 2023
View article titled, On the frequency bifurcations of the MHD startup modes in NSTX
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Journal Articles

Impact of edge harmonic oscillations on the divertor heat flux in NSTX

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K. F. Gan, T. K. Gray, S. J. Zweben, E. D. Fredrickson, R. Maingi, D. J. Battaglia, A. G. McLean, B. D. Wirth
Journal: Physics of Plasmas
Phys. Plasmas 29, 012503 (2022)
https://doi.org/10.1063/5.0069701
Published: January 2022
View article titled, Impact of edge harmonic oscillations on the divertor heat flux in NSTX
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Journal Articles

Phase-space dynamics of Alfvén mode chirping

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R. B. White, V. N. Duarte, N. N. Gorelenkov, E. D. Fredrickson, M. Podesta
Journal: Physics of Plasmas
Phys. Plasmas 27, 052108 (2020)
https://doi.org/10.1063/5.0004610
Published: May 2020
View article titled, Phase-space dynamics of Alfvén mode chirping
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Journal Articles

MHD-blob correlations in NSTX

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S. J. Zweben, E. D. Fredrickson, J. R. Myra, M. Podestà, F. Scotti
Journal: Physics of Plasmas
Phys. Plasmas 27, 052505 (2020)
https://doi.org/10.1063/5.0006515
Published: May 2020
View article titled, MHD-blob correlations in NSTX
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Journal Articles

Simulation of Alfvénic avalanche onset in NSTX

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R. B. White, V. N. Duarte, N. N. Gorelenkov, E. D. Fredrickson, M. Podesta
Journal: Physics of Plasmas
Phys. Plasmas 27, 022117 (2020)
https://doi.org/10.1063/1.5136236
Published: February 2020
View article titled, Simulation of Alfvénic avalanche onset in NSTX
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Journal Articles

Numerical simulations of global Alfvén eigenmodes excitation and stabilization in NSTX-U

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E. V. Belova, E. D. Fredrickson, J. B. Lestz, N. A. Crocker, NSTX-U Team
Journal: Physics of Plasmas
Phys. Plasmas 26, 092507 (2019)
https://doi.org/10.1063/1.5116357
Published: September 2019
View article titled, Numerical simulations of global Alfvén eigenmodes excitation and stabilization in NSTX-U
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Journal Articles

Modeling of chirping toroidal Alfvén eigenmodes in NSTX

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R. B. White, V. N. Duarte, N. N. Gorelenkov, E. D. Fredrickson, M. Podestà, H. L. Berk
Journal: Physics of Plasmas
Phys. Plasmas 26, 092103 (2019)
https://doi.org/10.1063/1.5115399
Published: September 2019
View article titled, Modeling of chirping toroidal Alfvén eigenmodes in NSTX
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Journal Articles

Emission in the ion cyclotron range of frequencies (ICE) on NSTX and NSTX-U

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E. D. Fredrickson, N. N. Gorelenkov, R. E. Bell, A. Diallo, B. P. LeBlanc, M. Podestà, NSTX Team
Journal: Physics of Plasmas
Phys. Plasmas 26, 032111 (2019)
https://doi.org/10.1063/1.5081047
Published: March 2019
View article titled, Emission in the ion cyclotron range of frequencies (ICE) on NSTX and NSTX-U
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Journal Articles

Nonlinear simulations of beam-driven compressional Alfvén eigenmodes in NSTX

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E. V. Belova, N. N. Gorelenkov, N. A. Crocker, J. B. Lestz, E. D. Fredrickson, S. Tang, K. Tritz
Journal: Physics of Plasmas
Phys. Plasmas 24, 042505 (2017)
https://doi.org/10.1063/1.4979278
Published: March 2017
View article titled, Nonlinear simulations of beam-driven compressional Alfvén eigenmodes in NSTX
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Journal Articles

Compact and multi-view solid state neutral particle analyzer arrays on National Spherical Torus Experiment-Upgrade

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D. Liu, W. W. Heidbrink, K. Tritz, E. D. Fredrickson, G. Z. Hao, Y. B. Zhu
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 87, 11D803 (2016)
https://doi.org/10.1063/1.4959798
Published: July 2016
View article titled, Compact and multi-view solid state neutral particle analyzer arrays on National Spherical Torus Experiment-Upgrade
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Journal Articles

Phase space effects on fast ion distribution function modeling in tokamaks

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M. Podestà, M. Gorelenkova, E. D. Fredrickson, N. N. Gorelenkov, R. B. White
Journal: Physics of Plasmas
Phys. Plasmas 23, 056106 (2016)
https://doi.org/10.1063/1.4946027
Published: April 2016
View article titled, Phase space effects on fast ion distribution function modeling in tokamaks
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Journal Articles

Hybrid simulation of toroidal Alfvén eigenmode on the National Spherical Torus Experiment

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D. Liu, G. Y. Fu, N. A. Crocker, M. Podestà, J. A. Breslau, E. D. Fredrickson, S. Kubota
Journal: Physics of Plasmas
Phys. Plasmas 22, 042509 (2015)
https://doi.org/10.1063/1.4917523
Published: April 2015
View article titled, Hybrid simulation of toroidal Alfvén eigenmode on the National Spherical Torus Experiment
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Journal Articles

Anomalous fast ion losses at high β on the tokamak fusion test reactor

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E. D. Fredrickson, M. G. Bell, R. V. Budny, D. S. Darrow, R. White
Journal: Physics of Plasmas
Phys. Plasmas 22, 032501 (2015)
https://doi.org/10.1063/1.4907656
Published: March 2015
View article titled, Anomalous fast ion losses at high β on the tokamak fusion test reactor
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Journal Articles

Properties of Alfvén eigenmodes in the Toroidal Alfvén Eigenmode range on the National Spherical Torus Experiment-Upgrade

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M. Podestà, N. N. Gorelenkov, R. B. White, E. D. Fredrickson, S. P. Gerhardt, G. J. Kramer
Journal: Physics of Plasmas
Phys. Plasmas 20, 082502 (2013)
https://doi.org/10.1063/1.4817277
Published: August 2013
View article titled, Properties of Alfvén eigenmodes in the Toroidal Alfvén Eigenmode range on the National Spherical Torus Experiment-Upgrade
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Journal Articles

Non-linear modulation of short wavelength compressional Alfvén eigenmodes

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E. D. Fredrickson, N. N. Gorelenkov, M. Podesta, A. Bortolon, N. A. Crocker, S. P. Gerhardt, R. E. Bell, A. Diallo, B. LeBlanc, F. M. Levinton, H. Yuh
Journal: Physics of Plasmas
Phys. Plasmas 20, 042112 (2013)
https://doi.org/10.1063/1.4801663
Published: April 2013
View article titled, Non-linear modulation of short wavelength compressional Alfvén eigenmodes
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Journal Articles

Effects of toroidal rotation shear on toroidicity-induced Alfvén eigenmodes in the National Spherical Torus Experiment

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M. Podestà, R. E. Bell, E. D. Fredrickson, N. N. Gorelenkov, B. P. LeBlanc, W. W. Heidbrink, N. A. Crocker, S. Kubota, H. Yuh
Journal: Physics of Plasmas
Phys. Plasmas 17, 122501 (2010)
https://doi.org/10.1063/1.3524288
Published: December 2010
View article titled, Effects of toroidal rotation shear on toroidicity-induced Alfvén eigenmodes in the National Spherical Torus Experiment
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Journal Articles

Addendum to papers from the NSTX Team, published in Review of Scientific Instruments

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D. A. Gates, C. Kessel, J. Menard, G. Taylor, J. R. Wilson, M. G. Bell, R. E. Bell, S. Bernabei, J. Bialek, T. Biewer, W. Blanchard, J. Boedo, C. Bush, M. D. Carter, W. Choe, N. Crocker, D. S. Darrow, W. Davis, L. Delgado-Aparicio, S. Diem, J. Ferron, A. Field, J. Foley, E. D. Fredrickson, T. Gibney, R. Harvey, R. E. Hatcher, W. Heidbrink, K. Hill, J. C. Hosea, T. R. Jarboe, D. W. Johnson, R. Kaita, S. Kaye, S. Kubota, H. W. Kugel, J. Lawson, B. P. LeBlanc, K. C. Lee, F. Levinton, R. Maingi, J. Manickam, R. Maqueda, R. Marsala, D. Mastrovito, T. K. Mau, S. S. Medley, H. Meyer, D. R. Mikkelsen, D. Mueller, T. Munsat, B. A. Nelson, C. Neumeyer, N. Nishino, M. Ono, H. Park, W. Park, S. Paul, T. Peebles, M. Peng, C. Phillips, A. Pigarov, R. Pinsker, A. Ram, S. Ramakrishnan, R. Raman, D. Rasmussen, M. Redi, M. Rensink, G. Rewoldt, J. Robinson, P. Roney, L. Roquemore, E. Ruskov, P. Ryan, S. A. Sabbagh, H. Schneider, C. H. Skinner, D. R. Smith, A. Sontag, V. Soukhanovskii, T. Stevenson, D. Stotler, B. Stratton, D. Stutman, D. Swain, E. Synakowski, Y. Takase, K. Tritz, A. von Halle, M. Wade, R. White, J. Wilgen, M. Williams, W. Zhu, S. J. Zweben, R. Akers, P. Beiersdorfer, R. Betti, T. Bigelow
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 80, 129901 (2009)
https://doi.org/10.1063/1.3266083
Published: December 2009
View article titled, Addendum to papers from the NSTX Team, published in Review of Scientific Instruments
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Journal Articles

Modeling fast-ion transport during toroidal Alfvén eigenmode avalanches in National Spherical Torus Experiment

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E. D. Fredrickson, N. A. Crocker, R. E. Bell, D. S. Darrow, N. N. Gorelenkov, G. J. Kramer, S. Kubota, F. M. Levinton, D. Liu, S. S. Medley, M. Podestá, K. Tritz, R. B. White, H. Yuh
Journal: Physics of Plasmas
Phys. Plasmas 16, 122505 (2009)
https://doi.org/10.1063/1.3265965
Published: December 2009
View article titled, Modeling fast-ion transport during toroidal Alfvén eigenmode avalanches in National Spherical Torus Experiment
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Journal Articles

Use of Fast Ion D‐Alpha diagnostics for understanding ICRF effects

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M. Podestà, W. W. Heidbrink, D. Liu, Y. Luo, E. Ruskov, R. E. Bell, E. D. Fredrickson, J. C. Hosea, S. S. Medley, K. H. Burrell, M. Choi, R. I. Pinsker, R. W. Harvey
Journal: AIP Conference Proceedings
AIP Conf. Proc. 1187, 69–76 (2009)
https://doi.org/10.1063/1.3273840
Published: November 2009
View article titled, Use of Fast Ion D‐Alpha diagnostics for understanding ICRF effects
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