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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Intrinsic plasma rotation and Reynolds stress at the plasma edge in the HSX stellarator

Nuclear Fusion, Volume 56, Number 3, March 2016
R. S. Wilcox*, J. D. Lore
Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
R. S. Wilcox*, J. N. Talmadge, D. T. Anderson, F. S. B. Anderson
Department of Electrical and Computer Engineering, University of Wisconsin: Madison, Madison, WI 53706, USA

*Listed in more than one department

File: Intrinsic-plasma-rotation-and-Reynolds-stress-at-the-plasma-edge-in-the-HSX-stellarator_Wilcox_Talmadge_Anderson-DT_Anderson-FSB_Lore_2016.pdf

Nuclear Fusion, Volume 56, Number 3, March 2016
R. S. Wilcox*, J. D. Lore
Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
R. S. Wilcox*, J. N. Talmadge, D. T. Anderson, F. S. B. Anderson
Department of Electrical and Computer Engineering, University of Wisconsin: Madison, Madison, WI 53706, USA

*Listed in more than one department


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Investigation of impact of radiation cooling on startup plasmas at Wendelstein 7-X with EMC3-Eirene simulations

F. Effenberg, H. Frerichs, O. Schmitz
Department for Engineering Physics, University of Wisconsin - Madison, Madison, WI, USA
Y. Feng, S. A. Bozhenkov, H. Hoelbe, T. S. Pedersen
Max-Planck Institute for Plasma Physics, Association EURATOM-IPP, 17491 Greifswald, Germany
D. Reiter
Institute of Energy and Climate Research - Plasma Physics, Forschungszentrum Juelich GmbH, Association EURATOM-FZJ, 52425 Juelich, Germany

Full Publication and Content Data

File: Investigation-of-impact-of-radiation-cooling-on-startup-plasmas-at-Wendelstein-7-X-with-EMC3-Eirene-simulations.pdf

Kinetic ballooning mode turbulence in low-average-magnetic-shear equilibria

I. J. McKinney, 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
A. Ishizawa
Graduate School of Energy Science, Kyoto University, Kyoto, Japan

File: Kinetic-ballooning-mode-turbulence-in-low-average-magnetic-shear-equilibria_McKinney_et-al_2021.pdf

Journal of Plasma Physics, Volume 87, Issue 3, 2021
I. J. McKinney, 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
A. Ishizawa
Graduate School of Energy Science, Kyoto University, Kyoto, Japan

Laser blow-off with photodiode detection system at the helically symmetric experiment

Journal of Instrumentation, Volume 16, November 2021
J. F. Castillo, C. Clark, A. Bader, K. M. Likin, D. T. Anderson, B. Geiger, S. T. A. Kumar, and C. Swee
HSX Laboratory, Department of Electrical and Computer Engineering, University of Wisconsin-Madison, Madison, WI 53706

File: Laser-blowoff-with-photodiode-detection-system-at-the-helically-symmetric-experiment_Castillo_et-al_2021.pdf

Journal of Instrumentation, Volume 16, November 2021
J. F. Castillo, C. Clark, A. Bader, K. M. Likin, D. T. Anderson, B. Geiger, S. T. A. Kumar, and C. Swee
HSX Laboratory, Department of Electrical and Computer Engineering, University of Wisconsin-Madison, Madison, WI 53706

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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Magnetic diagnostic optimization for plasma equilibrium reconstruction in the HSX stellarator

Nuclear Fusion, Volume 55, Number 11, November 2015
E. Chlechowitz, J. N. Talmadge, F. S. B. Anderson, D. T. Anderson
Department of Electrical and Computer Engineering, University of Wisconsin–Madison, Madison, Wisconsin 53706, USA
J. D. Hanson
Physics Department, Auburn University, Auburn, Alabama 36849, USA

File: Magnetic-diagnostic-optimization-for-plasma-equilibrium-reconstruction-in-the-HSX-stellarator_Chlechowitz_Talmadge_Hanson_Anderson-FSB_Anderson-DT_2015.pdf

Nuclear Fusion, Volume 55, Number 11, November 2015
E. Chlechowitz, J. N. Talmadge, F. S. B. Anderson, D. T. Anderson
Department of Electrical and Computer Engineering, University of Wisconsin–Madison, Madison, Wisconsin 53706, USA
J. D. Hanson
Physics Department, Auburn University, Auburn, Alabama 36849, USA


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Magnetic fluctuation measurements in HSX and its impact on transport

APS 2004
S. Oh, A. F. Almagri, D. T. Anderson, C. Deng, C. Lechte, K. M. Likin, J. N. Talmadge, J. Schmitt
HSX Plasma Laboratory, U. of Wisconsin-Madison, USA

Full Publication and Content Data

File: Magnetic-fluctuation-measurements-in-HSX-and-its-impact-on-transport.pdf

APS 2004
S. Oh, A. F. Almagri, D. T. Anderson, C. Deng, C. Lechte, K. M. Likin, J. N. Talmadge, J. Schmitt
HSX Plasma Laboratory, U. of Wisconsin-Madison, USA


Full Publication Data

Oh_APS 2004.ppt


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Measurement and Modeling of Electrode Biased Discharges in the HSX Stellarator

Presented at the 2004 IAEA Fusion Energy Conference, Vilamoura, Portugal, paper EX/8-3.
S.P. Gerhardt, A.F. Almagri, D.T. Anderson, F.S.B. Anderson, J.M. Canik, C. Deng, W. Guttenfelder, K.M. Likin, V. Sakaguchi, J.N. Talmadge, K. Zhai
HSX Stellarator, University of Wisconsin-Madison, USA
D. Brower
Electrical Engineering Department, University of California, Los Angeles, USA

File: Measurement-and-Modeling-of-Electrode-Biased-Discharges-in-the-HSX-Stellarator.pdf

Presented at the 2004 IAEA Fusion Energy Conference, Vilamoura, Portugal, paper EX/8-3
S.P. Gerhardt, A.F. Almagri, D.T. Anderson, F.S.B. Anderson, J.M. Canik, C. Deng, W. Guttenfelder, K.M. Likin, V. Sakaguchi, J.N. Talmadge, K. Zhai 
HSX Stellarator, University of Wisconsin-Madison, USA
D. Brower
Electrical Engineering Department, University of California, Los Angeles, USA

Measurement of a helical Pfirsch–Schlüter current with reduced magnitude in HSX

Nuclear Fusion, Volume 53, Number 8, August 2013
J.C. Schmitt, J.N. Talmadge and D.T. Anderson
Department of Electrical and Computer Engineering, University of Wisconsin-Madison,Madison, Wisconsin 53706, USA

File: Measurement-of-a-helical-Pfirsch–Schlüter-current-with-reduced-magnitude-in-HSX.pdf

Nuclear Fusion, Volume 53, Number 8, August 2013
J.C. Schmitt, J.N. Talmadge and D.T. Anderson
Department of Electrical and Computer Engineering, University of Wisconsin-Madison,Madison, Wisconsin 53706, USA


Measurements of the helical rotation and the reduction of the magnitude of the Pfirsch–Schlüter current compared to an equivalent tokamak are reported in a device that has quasihelical symmetry


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Measurement of Electron Density Profile and Fluctuations on HSX

APS 2001
C. Deng, D. L. Brower, W. X. Ding
Electrical Engineering Department, University of California, Los Angeles
A. F. Almagri, D. T. Anderson, F. S. B. Anderson, S. P. Gerhardt, P. Probert, J. Radder, J. N. Talmadge
The HSX Plasma Laboratory, University of Wisconsin-Madison

Full Publication and Content Data

File: Measurement-of-Electron-Density-Profile-and-Fluctuations-on-HSX1.pdf

APS 2001
C. Deng, D. L. Brower, W. X. Ding
Electrical Engineering Department, University of California, Los Angeles
A. F. Almagri, D. T. Anderson, F. S. B. Anderson, S. P. Gerhardt, P. Probert, J. Radder, J. N. Talmadge
The HSX Plasma Laboratory, University of Wisconsin-Madison


Full Publication Data

CDeng_APS 2001.ppt


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Measurement of limiter particle fluxes and carbon erosion in the helical scrape-off layer of startup plasmas at W7-X

V. Winters, O. Schmitz, F. Effenberg, H. Frerichs
Department of Engineering Physics, Univ. of Wisconsin, Madison, USA
L. Stephey
HSX Plasma Laboratory, Univ. of Wisconsin, Madison, USA
S. Brezinsek, M. Rasinski
Forschungszentrum Julich GmbH, Institut fur Energie und Klimaforschung Plasmaphysik Julich, Germany
W7-X Team
Max Planck Institut fur Plasmaphysik, Greifswald, Germany
J. Harris, E. Unterberg
Oak Ridge National Laboratory, Tennessee, USA
G. Wurden
Los Alamos National Laboratory, New Mexico, USA

File: 4_CWGM-mtg-2017-vw.pdf

Measurements and Modeling of Biased Electrode Discharges in HSX

APS 2003
S.P. Gerhardt, D.T. Anderson, J.M. Canik, W.A. Guttenfelder, J.N. Talmadge
HSX Plasma Laboratory, U. of Wisconsin, Madison

Full Publication and Content Data

File: Measurements-and-Modeling-of-Biased-Electrode-Discharges-in-HSX.pdf

APS 2003
S.P. Gerhardt, D.T. Anderson, J.M. Canik, W.A. Guttenfelder, J.N. Talmadge
HSX Plasma Laboratory, U. of Wisconsin, Madison


Full Publication Data

Gerhardt_Measurements Poster_APS 2003.ppt


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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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Measurements and Modeling of Plasma Flow Damping in the HSX Stellarator

IAEA 2004
S. P. Gerhardt, A. F. Almagri, D. T. Anderson, F. S. B. Anderson, D. Brower, J. M. Canik, C. Deng, W. Guttenfelder, K. M. Likin, V. Sakaguchi, J. N. Talmadge, and K. Zhai

File: Measurements-and-Modeling-of-Plasma-Flow-Damping-in-the-HSX-Stellarator.pdf

IAEA 2004
S. P. Gerhardt, A. F. Almagri, D. T. Anderson, F. S. B. Anderson, D. Brower, J. M. Canik, C. Deng, W. Guttenfelder, K. M. Likin, V. Sakaguchi, J. N. Talmadge, and K. Zhai


Return to IAEA 2004 publications

Measurements of Magnetic Fluctuations in HSX

APS 2005
S. Oh, A. F. Almagri, D. T. Anderson, C. Deng, C. Lechte, K. M. Likin, J. N. Talmadge, J. Schmitt
HSX Plasma Laboratory, U. of Wisconsin-Madison, USA

Full Publication and Content Data

File: Measurements-of-Magnetic-Fluctuations-in-HSX.pdf

APS 2005
S. Oh, A. F. Almagri, D. T. Anderson, C. Deng, C. Lechte, K. M. Likin, J. N. Talmadge, J. Schmitt
HSX Plasma Laboratory, U. of Wisconsin-Madison, USA


Full Publication Data

Oh_APS 2005.ppt


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Microscopic Structure of Turbulence in the Torsatron TJ-K

APS 2003
Carsten Lechte
HSX Plasma Laboratory, University of Wisconsin-Madison, USA
Mirko Ramisch, Navid Mahdizadeh, Ulrich Stroth
IEAP, University Kiel, Germany

Full Publication and Content Data

File: Microscopic-Structure-of-Turbulence-in-the-Torsatron-TJ-K.pdf

APS 2003
Carsten Lechte
HSX Plasma Laboratory, University of Wisconsin-Madison, USA
Mirko Ramisch, Navid Mahdizadeh, Ulrich Stroth
IEAP, University Kiel, Germany


Full Publication Data

Lechte_APS 2003.ppt


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Modeling of energetic particle transport in optimized stellarators

Nuclear Fusion, Volume 61, October 2021
A. Bader, D. T. Anderson, B. J. Faber, C. C. Hegna
HSX Laboratory, Department of Electrical and Computer Engineering, University of Wisconsin-Madison, Madison, WI 53706
M. Drevlak, S. Henneberg
Max-Planck Institut für Plasmaphysik, Greifswald, Germany
M. Landreman
University of Maryland, College Park, MD, USA
J. C. Schmitt
Auburn University, Auburn, AL, USA
Y. Suzuki
Hiroshima University, Higashi-Hiroshima, Japan
A. Ware
University of Montana, Missoula, MT, USA

File: Modeling-of-energetic-particle-transport-in-optimized-stellarators_Bader_et-al_2021.pdf

Nuclear Fusion, Volume 61, October 2021
A. Bader, D. T. Anderson, B. J. Faber, C. C. Hegna
HSX Laboratory, Department of Electrical and Computer Engineering, University of Wisconsin-Madison, Madison, WI 53706
M. Drevlak, S. Henneberg
Max-Planck Institut für Plasmaphysik, Greifswald, Germany
M. Landreman
University of Maryland, College Park, MD, USA
J. C. Schmitt
Auburn University, Auburn, AL, USA
Y. Suzuki
Hiroshima University, Higashi-Hiroshima, Japan
A. Ware
University of Montana, Missoula, MT, USA

Modeling of impurity seeding and transport for W7-X island divertor scenarios with EMC3-EIRENE

F. Effenberg, O. Schmitz, H. Frerichs, T. Barbui
Department of Engineering Physics, University of Wisconsin, Madison, USA
L. Stephey
HSX Plasma Laboratory, Univ. of Wisconsin, Madison, USA
Y. Feng, J. Geiger, S. Bozhenkov, M. Jakubowski, R. Konig, M. Krychowiak, H. Niemann, T. Sunn Pedersen, W7-X Team
Max Planck Institut fur Plasmaphysik, Greifswald, Germany
Y. Suzuki
National Institute for Fusion Science, Toki, Japan
G. Wurden
Los Alamos National Laboratory, New Mexico, USA
B. Blackwell
Australian National University, Canberra, Australia

File: 4_Effenberg_CWGM2016.pdf

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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Monte Carlo Diffusion Calculations and Plans for Electric Field Studies in HSX

ISW 1999
S. P. Gerhardt, J. N. Talmadge, D. T. Anderson
HSX Plasma Laboratory, U. of Wisconsin
S. A. Dettrick
Naka Fusion Research Establishment, JAERI

File: Monte-Carlo-Diffusion-Calculations-and-Plans-for-Electric-Field-Studies-in-HSX.pdf

ISW 1999
S. P. Gerhardt, J. N. Talmadge, D. T. Anderson
HSX Plasma Laboratory, U. of Wisconsin
S. A. Dettrick
Naka Fusion Research Establishment, JAERI


Return to ISW 1999 publications