Impact of magnetic islands in the plasma edge on particle fueling and exhaust in the HSX and W7-X stellarators

L. Stephey, A. Bader, F. Effenberg, O. Schmitz, D. T. Anderson, F. S. B. Anderson, H. Frerichs, I. Waters
University of Wisconsin-Madison, Madison, WI, USA
G. A. Wurden
Los Alamos National Laboratory, Los Alamos, NM, USA
C. Biedermann, A. Dinklage, Y. Feng, G. Fuchert, J. Geiger, R. Konig, P. Kornejew, M. Krychowiak
Max-Planck Institut fur Plasmaphysik, Greifswald, Germany
J. H. Harris, J. D. Lore, E. A. Unterberg
Oak Ridge National Laboratory, Oak Ridge, TN

File: Impact-of-magnetic-islands-in-the-plasma-edge-on-particle-fueling-and-exhaust-in-the-HSX-and-W7-X-stellarators_Stephey_et-al_2018.pdf

Physics of Plasmas, Volume 25, May 2018
L. Stephey, A. Bader, F. Effenberg, O. Schmitz, D. T. Anderson, F. S. B. Anderson, H. Frerichs, I. Waters
University of Wisconsin-Madison, Madison, WI, USA
G. A. Wurden
Los Alamos National Laboratory, Los Alamos, NM, USA
C. Biedermann, A. Dinklage, Y. Feng, G. Fuchert, J. Geiger, R. Konig, P. Kornejew, M. Krychowiak
Max-Planck Institut fur Plasmaphysik, Greifswald, Germany
J. H. Harris, J. D. Lore, E. A. Unterberg
Oak Ridge National Laboratory, Oak Ridge, TN

On the effect of flux-surface shaping on trapped-electron modes in quasi-helically symmetric stellarators

M. J. Gerard, B. Geiger, J. M. Duff, B. J. Faber, C. C. Hegna, P. W. Terry
HSX Plasma Laboratory, University of Wisconsin, Madison, Wisconsin 53703, USA
M. J. Pueschel
Eindhoven University of Technology, 5600 MB Eindhoven, Netherlands
Dutch Institute for Fundamental Energy Research, 5612 AJ Eindhoven, Netherlands
Department of Physics and Astronomy, Ruhr-Universitat Bochum, 44780 Bochum, Germany
R. J. J. Mackenbach
Eindhoven University of Technology, 5600 MB Eindhoven, Netherlands
Max Planck Institute for Plasma Physics, 17491 Greifswald, Germany
Swiss Plasma Center, Ecole Polytechnique Federale de Lausanne, CH-1015 Lausanne, Switzerland

File: On-the-effect-of-flux-surface-shaping-on-trapped-electron-modes-in-quasi-helically-symmetric-stellarators_Gerard_Pueschel_Geiger_Mackenbach_Duff_Faber_Hegna_Terry_2024.pdf

Physics of Plasmas, Volume 31, May 2024
M. J. Gerard, B. Geiger, J. M. Duff, B. J. Faber, C. C. Hegna, P. W. Terry
HSX Plasma Laboratory, University of Wisconsin, Madison, Wisconsin 53703, USA
M. J. Pueschel
Eindhoven University of Technology, 5600 MB Eindhoven, Netherlands
Dutch Institute for Fundamental Energy Research, 5612 AJ Eindhoven, Netherlands
Department of Physics and Astronomy, Ruhr-Universitat Bochum, 44780 Bochum, Germany
R. J. J. Mackenbach
Eindhoven University of Technology, 5600 MB Eindhoven, Netherlands
Max Planck Institute for Plasma Physics, 17491 Greifswald, Germany
Swiss Plasma Center, Ecole Polytechnique Federale de Lausanne, CH-1015 Lausanne, Switzerland

Including the parallel mass flow in calculating the steady-state solutions and stability of the momentum balance equations for a quasisymmetric stellarator

Michaelides, D. N. and Talmadge, J. N.
HSX Plasma Laboratory, University of Wisconsin, Madison, Wisconsin 53703, USA

File: Including-the-parallel-mass-flow_quasisymmetric-stellarator_Michaelides_Talmadge_2024.pdf

Physics of Plasmas, Volume 31, February 2024
Michaelides, D. N. and Talmadge, J. N.
HSX Plasma Laboratory, University of Wisconsin, Madison, Wisconsin 53703, USA

Saturation and nonlinear electromagnetic stabilization of ITG turbulence

Physics of Plasmas, Volume 26, August 2019
G. G. Whelan, P. W. Terry, I. J. McKinney
HSX Laboratory, Department of Electrical and Computer Engineering, University of Wisconsin-Madison, Madison, WI, USA
M. J. Pueschel
Institute for Fusion Studies, University of Texas at Austin, Austin, TX, USA
J. Citrin
DIFFER-Dutch Institute for Fundamental Energy Research, 5612 AJ Eindhoven, The Netherlands
W. Guttenfelder
Princeton Plasma Physics Laboratory, Princeton, NJ, USA
H. Doerk
Max-Planck Institut für Plasmaphysik, 85748 Garching, Germany

File: Saturation-and-nonlinear-electromagnetic-stabilization-of-ITG-turbulence_Whelan_et-al_2019.pdf

Physics of Plasmas, Volume 26, August 2019
G. G. Whelan, P. W. Terry, I. J. McKinney
HSX Laboratory, Department of Electrical and Computer Engineering, University of Wisconsin-Madison, Madison, WI, USA
M. J. Pueschel
Institute for Fusion Studies, University of Texas at Austin, Austin, TX, USA
J. Citrin
DIFFER-Dutch Institute for Fundamental Energy Research, 5612 AJ Eindhoven, The Netherlands
W. Guttenfelder
Princeton Plasma Physics Laboratory, Princeton, NJ, USA
H. Doerk
Max-Planck Institut für Plasmaphysik, 85748 Garching, Germany

Comparison of local and global gyrokinetic calculations of collisionless zonal flow damping in quasi-symmetric stellarators

Physics of Plasmas, Volume 28, April 2021
J. Smoniewski, J. N. Talmadge
HSX Laboratory, Department of Electrical and Computer Engineering, University of Wisconsin-Madison, Madison, WI 53706
E. Sánchez, I. Calvo
Laboratorio Nacional de Fusión, CIEMAT, 28040 Madrid, Spain
M. J. Pueschel
Dutch Institute for Fundamental Energy Research, 5612 AJ Eindhoven, The Netherlands
Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands
Institute for Fusion Studies, University of Texas at Austin, Austin, TX, USA

File: Comparison-of-local-and-global-gyrokinetic-calculations-of-collisionless-zonal-flow-damping-in-quasi-symmetric-stellarators_Smoniewski_et-al_2021.pdf

Physics of Plasmas, Volume 28, April 2021
J. Smoniewski, J. N. Talmadge
HSX Laboratory, Department of Electrical and Computer Engineering, University of Wisconsin-Madison, Madison, WI 53706
E. Sánchez, I. Calvo
Laboratorio Nacional de Fusión, CIEMAT, 28040 Madrid, Spain
M. J. Pueschel
Dutch Institute for Fundamental Energy Research, 5612 AJ Eindhoven, The Netherlands
Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands
Institute for Fusion Studies, University of Texas at Austin, Austin, TX, USA

HSX as an example of a resilient non-resonant divertor

Physics of Plasmas, Volume 24, Issue 3, March 2017
A Bader, C. C. Hegna
Department of Engineering Physics, University of Wisconsin-Madison, Madison, WI, 53706
J. C. Schmitt
Department of Electrical and Computer Engineering, University of Wisconsin - Madison, Madison, WI, 53706
A.H. Boozer
Fu Foundation School of Engineering and Applied Science, Columbia University, New York City, NY, 10027
S.A. Lazerson
Princeton Plasma Physics Laboratory, Princeton University, Princeton, New Jersey

File: HSX-as-an-example-of-a-resilient-non-resonant-divertor.pdf

Physics of Plasmas, Volume 24, Issue 3, March 2017
A Bader, C. C. Hegna
Department of Engineering Physics, University of Wisconsin-Madison, Madison, WI, 53706
J. C. Schmitt
Department of Electrical and Computer Engineering, University of Wisconsin – Madison, Madison, WI, 53706
A.H. Boozer
Fu Foundation School of Engineering and Applied Science, Columbia University, New York City, NY, 10027
S.A. Lazerson
Princeton Plasma Physics Laboratory, Princeton University, Princeton, New Jersey


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Calculations of neoclassical viscous damping on flux surfaces near magnetic islands in the Helically Symmetric Experiment

Physics of Plasmas, Volume 12, Issue 1, January 2005
S.P. Gerhardt, D.T. Anderson, J.N. Talmadge
HSX Plasma Laboratory, University of Wisconsin-Madison, Madison, Wisconsin 53703

File: Calculations-of-neoclassical-viscous-damping-on-flux-surfaces-near-magnetic-islands-in-the-Helically-Symmetric-Experiment_Gerhardt_Anderson-DT_Talmadge_2005.pdf

Physics of Plasmas, Volume 12, Issue 1, January 2005
S.P. Gerhardt, D.T. Anderson, J.N. Talmadge
HSX Plasma Laboratory, University of Wisconsin-Madison, Madison, Wisconsin 53703


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Measurements and modeling of plasma flow damping in the Helically Symmetric eXperiment

Physics of Plasmas, Volume 12, Issue 5, May 2005
S. P. Gerhardt, J. N. Talmadge, J. M. Canik, D. T. Anderson
HSX Plasma Laboratory, University of Wisconsin-Madison, Madison, Wisconsin 53706

File: Measurement-and-modeling-of-plasma-flow-damping-in-HSX_Gerhardt_Talmadge_Canik_Anderson-DT_2005.pdf

Physics of Plasmas, Volume 12, Issue 5, May 2005
S. P. Gerhardt, J. N. Talmadge, J. M. Canik, D. T. Anderson
HSX Plasma Laboratory, University of Wisconsin-Madison, Madison, Wisconsin 53706


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Edge turbulence measurements in electron-heated Helically Symmetric Experiment plasmas

Physics of Plasmas, Volume 16, Issue 8, August 2009
W. Guttenfelder, D. T. Anderson, F. S. B. Anderson, K. M. Likin, J. N. Talmadge
Department of Electrical and Computer Engineering, University of Wisconsin-Madison, Madison, Wisconsin 53706, USA
J. M. Canik
Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA

Physics of Plasmas, Volume 16, Issue 8, August 2009
W. Guttenfelder, D. T. Anderson, F. S. B. Anderson, K. M. Likin, J. N. Talmadge
Department of Electrical and Computer Engineering, University of Wisconsin-Madison, Madison, Wisconsin 53706, USA
J. M. Canik
Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA


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SIESTA: A scalable iterative equilibrium solver for toroidal applications

Physics of Plasmas, Volume 18, Issue 6, June 2011
S. P. Hirshman
Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831-0117, USA
R. Sanchez
Departamento de Fisica, Universidad Carlos III de Madrid, Leganes 28021, Spain
C. R. Cook
University of Wisconsin at Madison, Madison, Wisconsin 53706, USA

File: SIESTA_PoP_2011.pdf

Physics of Plasmas, Volume 18, Issue 6, June 2011
S. P. Hirshman
Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831-0117, USA
R. Sanchez
Departamento de Fisica, Universidad Carlos III de Madrid, Leganes 28021, Spain
C. R. Cook
University of Wisconsin at Madison, Madison, Wisconsin 53706, USA


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Internal electron transport barrier due to neoclassical ambipolarity in the Helically Symmetric Experiment

Physics of Plasmas, Volume 17, Issue 5, May 2010
J. Lore, A. Briesemeister, D. T. Anderson, F. S. B. Anderson, K. M. Likin, J. N. Talmadge, K. Zhai
Department of Electrical and Computer Engineering, University of Wisconsin - Madison, Madison, Wisconsin 53706, USA
W. Guttenfelder
Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
C. B. Deng
Department of Physics, University of California - Los Angeles, Los Angeles, California 90024, USA
D. A. Spong
Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA

File: Internal-electron-transport-barrier-due-to-neoclassical-ambipolarity-in-the-Helically-Symmetric-Experiment_Lore_Guttenfelder_et-al_2010.pdf

Physics of Plasmas, Volume 17, Issue 5, May 2010
J. Lore, A. Briesemeister, D. T. Anderson, F. S. B. Anderson, K. M. Likin, J. N. Talmadge, K. Zhai
Department of Electrical and Computer Engineering, University of Wisconsin – Madison, Madison, Wisconsin 53706, USA
W. Guttenfelder
Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
C. B. Deng
Department of Physics, University of California – Los Angeles, Los Angeles, California 90024, USA
D. A. Spong
Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA


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Fluctuation-induced transport and poloidal rotation in the interchangeable module stellarator

Physics of Plasmas, Volume 5, Issue 11, November 1993
P. G. Matthews, D. T. Anderson, F. S. 6. Anderson, J. L. Shohet, J. N. Talmadge
Torsatron/Stellarator Laboratory, University of Wisconsin-Madison, Madison, Wisconsin 53706

File: Fluctuation-induced-transport-and-poloidal-rotation-in-the-interchangeable-module-stellarator_Matthews_Anderson-DT_Anderson-FSB_Shohet_Talmadge_1993.pdf

Physics of Plasmas, Volume 5, Issue 11, November 1993
P. G. Matthews, D. T. Anderson, F. S. 6. Anderson, J. L. Shohet, J. N. Talmadge
Torsatron/Stellarator Laboratory, University of Wisconsin-Madison, Madison, Wisconsin 53706


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Modeling, measurement, and 3-D equilibrium reconstruction of the bootstrap current in the Helically Symmetric Experiment

Physics of Plasmas, Volume 21, Issue 9, September 2014
J. C. Schmitt, J. N. Talmadge, D. T. Anderson
Department of Electrical and Computer Engineering, University of Wisconsin-Madison, Madison, Wisconsin 53706, USA
J. D. Hanson
Department of Physics, Auburn University, Auburn, Alabama 36849, USA

File: Modeling-measurement-and-3-D-equilibrium-reconstruction-of-the-bootstrap-current-in-the-Helically-Symmetric-Experiment_Schmitt_Talmadge_Anderson-DT_Hanson_2014.pdf

Physics of Plasmas, Volume 21, Issue 9, September 2014
J. C. Schmitt, J. N. Talmadge, D. T. Anderson
Department of Electrical and Computer Engineering, University of Wisconsin-Madison, Madison, Wisconsin 53706, USA
J. D. Hanson
Department of Physics, Auburn University, Auburn, Alabama 36849, USA


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Evolution of the plasma rotation and the radial electric field for a toroidal plasmain the Pfirsch–Schlüter and plateau regimes subject to a biased electrode

Physics of Plasmas, Volume 5, Issue 4, April 1993
M. Coronado, J. N. Talmadge
Department of Electrical and Computer Engineering, University of Wisconsin-Madison, Madison, Wisconsin 53706-1691

File: Evolution-of-the-plasma-rotation-and-the-radial-electric-field-for-a-toroidal-plasma-in-the-Pfirsch–Schlüter-and-plateau-regimes-subject-to-a-biased-electrode_Coronado_Talmadge_.pdf

Physics of Plasmas, Volume 5, Issue 4, April 1993
M. Coronado, J. N. Talmadge
Department of Electrical and Computer Engineering, University of Wisconsin-Madison, Madison, Wisconsin 53706-1691


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Experimental determination of the magnetic field spectrum in the Helically Symmetric Experiment using passing particle orbits

Physics of Plasmas, Volume 8, Issue 12, December 2001
J. N. Talmadge, V. Sakaguchi, F. S. B. Anderson, D. T. Anderson, and A. F. Almagri
HSX Plasma Laboratory, Department of Electrical and Computer Engineering, University of Wisconsin, Madison, Wisconsin 53706

File: Experimental-determination-of-the-magnetic-field-spectrum-in-the-Helically-Symmetric-Experiment-using-passing-particle-orbits_Talmadge_Sakaguchi_Anderson-FSB_Anderson-DT_Almagri_2001.pdf

Physics of Plasmas, Volume 8, Issue 12, December 2001
J. N. Talmadge, V. Sakaguchi, F. S. B. Anderson, D. T. Anderson, and A. F. Almagri
HSX Plasma Laboratory, Department of Electrical and Computer Engineering, University of Wisconsin, Madison, Wisconsin 53706


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Local ideal magnetohydrodynamic stability of a quasihelically symmetric stellarator

Physics of Plasmas, Volume 3, Issue 10, October 1996
J. N. Talmadge
Torsatron/Stellarator Laboratory, University of Wisconsin—Madison, Madison, Wisconsin 53706-1691
W. A. Cooper
Centre de Recherches en Physique des Plasmas, Association Euratom-Confédération Suisse, Ecole Polytechnique Fédérale de Lausanne, CRPP-PPB, CH-1015 Lausanne, Switzerland

File: Local-ideal-magnetohydrodynamic-stability-of-a-quasihelically-symmetric-stellarator_Talmadge_Cooper_1996.pdf

Physics of Plasmas, Volume 3, Issue 10, October 1996
J. N. Talmadge
Torsatron/Stellarator Laboratory, University of Wisconsin—Madison, Madison, Wisconsin 53706-1691
W. A. Cooper
Centre de Recherches en Physique des Plasmas, Association Euratom-Confédération Suisse, Ecole Polytechnique Fédérale de Lausanne, CRPP-PPB, CH-1015 Lausanne, Switzerland


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Numerical calculation of the Hamada basis vectors for three-dimensional toroidal magnetic configurations

Physics of Plasmas, Volume 12, Number 7, July 2005
J. N. Talmadge and S. P. Gerhardt
HSX Plasma Laboratory, University of Wisconsin-Madison, Madison, Wisconsin 53706

File: Numerical-calculation-of-the-Hamada-basis-vectors-for-three-dimensional-toroidal-magnetic-configurations_Talmadge_Gerhardt_2005.pdf

Physics of Plasmas, Volume 12, Number 7, July 2005
J. N. Talmadge and S. P. Gerhardt
HSX Plasma Laboratory, University of Wisconsin-Madison, Madison, Wisconsin 53706


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Gyrokinetic studies of trapped electron mode turbulence in the Helically Symmetric eXperiment stellarator

Physics of Plasmas, Volume 22, Issue 7, July 2015
B. J. Faber, G. M. Weir, K. M. Likin, J. N. Talmadge
HSX Plasma Lab, University of Wisconsin-Madison, Madison, Wisconsin 53706, USA
M. J. Pueschel, P. W. Terry, C. C. Hegna
Department of Physics, University of Wisconsin-Madison, Madison, Wisconsin 53706, USA
J. H. E. Proll, P. Xanthopoulos
Max Planck Institute for Plasma Physics, Wendelsteinstr. 1, 17491 Greifswald, Germany

Full Publication and Content Data

File: Gyrokinetic-studies-of-trapped-electron-mode-turbulence-in-the-Helically-Symmetric-eXperiment-stellarator.pdf

Physics of Plasmas, Volume 22, Issue 7, July 2015
B. J. Faber, G. M. Weir, K. M. Likin, J. N. Talmadge
HSX Plasma Lab, University of Wisconsin-Madison, Madison, Wisconsin 53706, USA
M. J. Pueschel, P. W. Terry, C. C. Hegna
Department of Physics, University of Wisconsin-Madison, Madison, Wisconsin 53706, USA
J. H. E. Proll, P. Xanthopoulos
Max Planck Institute for Plasma Physics, Wendelsteinstr. 1, 17491 Greifswald, Germany


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fig17a.dat

fig16-3.dat


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Profile Stiffness Measurements in HSX and comparison to Nonlinear Gyrokinetic Calculations

Physics of Plasmas, Volume 22, Issue 5, May 2015
G. M. Weir, B. J. Faber, K. M. Likin, J. N. Talmadge, D. T. Anderson, F. S. B. Anderson
HSX Plasma Laboratory, University of Wisconsin – Madison, Madison, WI, USA

Full Publication and Content Data

File: Profile-Stiffness-Measurements-in-HSX-and-comparison-to-Nonlinear-Gyrokinetic-Calculations_Weir_Faber_et-al_2015.pdf

Physics of Plasmas, Volume 22, Issue 5, May 2015
G. M. Weir, B. J. Faber, K. M. Likin, J. N. Talmadge, D. T. Anderson, F. S. B. Anderson
HSX Plasma Laboratory, University of Wisconsin – Madison, Madison, WI, USA


Full Publication Data

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Figure_12.dat

Figure_1.dat

Figure_2.dat

Figure_10b.dat


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Reduced particle and heat transport with quasisymmetry in the Helically Symmetric Experiment

Physics of Plasmas, Volume 14, Issue 5, May 2007
J. M. Canik, D. T. Anderson, F. S. B. Anderson, C. Clark, K. M. Likin, J. N. Talmadge, K. Zhai
Department of Electrical and Computer Engineering, University of Wisconsin-Madison

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File: Reduced-particle-and-heat-transport-with-quasisymmetryu-in-the-Helically-Symmetric-Experiment_Canik_Anderson-DT_Anderson-FSB_Clark_et-al_2007.pdf

Physics of Plasmas, Volume 14, Issue 5, May 2007
J. M. Canik, D. T. Anderson, F. S. B. Anderson, C. Clark, K. M. Likin, J. N. Talmadge, K. Zhai
Department of Electrical and Computer Engineering, University of Wisconsin-Madison


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qhs_mir_te_ne_80kw_bw.fig

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qhs_se_vs_time.fig

raytracing.fig

qhs_mir_eps_eff.fig

qhs_mir_iota_welldepth.fig

qhs_mir_mono_d.fig

qhs_mir_mono_d_2.fig

qhs_mir_spectrum.fig

Physics of Plasmas Receipt.htm

plot_eps_eff_flip14.m

plot_epseff.m

qhs_mir_D12.fig

iota_well_data.mat

mir_fluxes_qhs_mir_d12.fig


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