Papers

Simulation Study of Neutral Beam Injection Heating in the HSX Plasma

Posted on 2020-07-26

Plasma and Fusion Research, Volume 14, Issue 7
Y. Morishita and S. Murakami
Kyoto University, Kyoto 615-8530, Japan
K. Likin and D.T. Anderson
HSX Stellarator, University of Wisconsin-Madison, Madison, WI, USA

File: DTA_NBI_HSX.pdf

The Effects of Edge Magnetic Structure on Particle Fueling and Exhaust in the HSX and W7-X Stellarators

Posted on 2020-07-16

Dissertation submitted in October 2017
Laurie Stephey
HSX Stellarator, University of Wisconsin-Madison, Madison, WI, USA

File: The-effects-of-edge-magnetic-structure-on-particle-fueling-and-exhaust-in-the-HSX-and-W7-X-Stellarators.pdf

Dissertation submitted in October 2017
Laurie Stephey
HSX Stellarator, University of Wisconsin-Madison, Madison, WI, USA

Heat Transport Experiments on the HSX Stellarator

Posted on 2020-07-16

Dissertation submitted in December of 2014
Gavin Weir
HSX Stellarator, University of Wisconsin - Madison, Madison, WI, USA

File: Heat-transport-experiments-on-the-HSX-stellarator.pdf

Dissertation submitted in December of 2014
Gavin Weir
HSX Stellarator, University of Wisconsin – Madison, Madison, WI, USA

Intrinsic Plasma Rotation and Reynolds Stress at the Plasma Edge in the HSX Stellarator

Posted on 2020-07-16

Dissertation submitted in December of 2014
Robert Wilcox
HSX Stellarator, University of Wisconsin-Madison, Madison, WI, USA

File: Intrinsic-Plasma-Rotation-and-Reynolds-Stress-at-the-Plasma-Edge-in-the-HSX-Stellarator.pdf

Dissertation submitted in December of 2014
Robert Wilcox
HSX Stellarator, University of Wisconsin-Madison, Madison, WI, USA

Flow Velocity Measurements Using ChERS in the HSX Stellarator

Posted on 2020-07-16

Contributions to Plasma Physics, Volume 50, Issue 8
A. Briesemeister, K. Zhai, D. T. Anderson, F. S. B. Anderson, J. Lore, and J. N. Talmadge
HSX Stellarator, University of Wisconsin-Madison, Madison, WI, USA

File: Flow-Velocity-Measurements-Using-ChERS-in-the-HSX-Stellarator.pdf

Comparison of the Flows and Radial Electric Field in the HSX Stellarator to Neoclassical Calculations

Posted on 2020-07-16

Plasma Physics and Controlled Fusion, Volume 55, Issue 12
A. Briesemeister, K. Zhai, D.T. Anderson, F.S.B. Anderson and J.N. Talmadge
HSX Stellarator, University of Wisconsin-Madison, Madison, WI, USA

File: Comparison-of-the-flows-and-radial-electric-field-in-the-HSX-stellarator-to-neoclassical-calculations.pdf

Modeling and Measurement of Toroidal Currents in the HSX Stellarator

Posted on 2020-07-16

Contributions to Plasma Physics, Volume 50, Issue 8
J.C. Schmitt, J.N. Talmadge, and J. Lore
HSX Stellarator, University of Wisconsin-Madison, Madison, WI, USA

File: Modeling-and-Measurement-of-Toroidal-Currents-in-the-HSX-Stellarator.pdf

Contributions to Plasma Physics, Volume 50, Issue 8
J.C. Schmitt, J.N. Talmadge, and J. Lore
HSX Stellarator, University of Wisconsin-Madison, Madison, WI, USA

3-D Equilibrium Reconstruction in the HSX Stellarator

Posted on 2020-07-16

Dissertation submitted in 2011
John Schmitt
HSX Stellarator, University of Wisconsin-Madison, Madison, WI, USA

File: 3-D-Equilibrium-Reconstruction-in-the-HSX-Stellarator.pdf

Dissertation submitted in 2011
John Schmitt
HSX Stellarator, University of Wisconsin-Madison, Madison, WI, USA

Superthermal Electron Dynamics in the HSX Stellerator

Posted on 2020-07-16

Dissertation submitted in December, 2005
Ali Elsayed Ali Ibrahim Abdou
HSX Stellarator, University of Wisconsin-Madison, Madison, Wisconsin, USA

File: Superthermal-Electron-Dynamics-in-the-HSX.-Stellerator.pdf

Dissertation submitted in December, 2005
Ali Elsayed Ali Ibrahim Abdou
HSX Stellarator, University of Wisconsin-Madison, Madison, Wisconsin, USA

Measurement and Modeling of Electrode Biased Discharges in the HSX Stellarator

Posted on 2020-07-16

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

HSX as an example of a resilient non-resonant divertor

Posted on 2020-06-16

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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A motional Stark effect diagnostic analysis routine for improved resolution of iota in the core of the large helical device

Posted on 2020-06-16

Review of Scientific Instruments, Volume 88, Issue 9, September 2017
T. J. Dobbins
HSX Stellarator, University of Wisconsin - Madison, Madison, Wisconsin, 53706
T. Kobayashi
Graduate School of Engineering Sciences, Kyushu University, Fukuoka, Kyushu, 819-0395, Japan
M. Yoshida
Department of Electronic and Electrical Engineering, Kindai University, Higashiosaka, Osaka 577-8502, Japan
K. Ida, Y. Suzuki, M. Yoshinuma, C. Suzuki
National Institute for Fusion Science, Toki, Gifu 509-5202, Japan

File: A-motional-Stark-effect-diagnostic-analysis-routine-for-improved-resolution-of-iota-in-the-core-of-the-large-helical-devic.pdf

Review of Scientific Instruments, Volume 88, Issue 9, September 2017
T. J. Dobbins
HSX Stellarator, University of Wisconsin – Madison, Madison, Wisconsin, 53706, USA
T. Kobayashi
Graduate School of Engineering Sciences, Kyushu University, Fukuoka, Kyushu, 819-0395, Japan
M. Yoshida
Department of Electronic and Electrical Engineering, Kindai University, Higashiosaka, Osaka 577-8502, Japan
K. Ida, Y. Suzuki, M. Yoshinuma, C. Suzuki
National Institute for Fusion Science, Toki, Gifu 509-5202, Japan

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Development of a 3-D visible limiter imaging system for the HSX stellarator

Posted on 2020-06-16

Review of Scientific Instruments, Volume 88, Issue 12, December 2017
C. Buelo, D. Eisert
Synchrotron Radiation Center, University of Wisconsin - Madison, Madison, Wisconsin, 53706
F.S.B. Anderson, D.T. Anderson
Department of Electrical and Computer Engineering, University of Wisconsin-Madison, Madison, Wisconsin, 53706
L. Stephey
Data Analytics and Service Group, Lawrence Berkeley National Laboratory, Berkeley, California, 94720

File: Development-of-a-3-D-visible-limiter-imaging-system-for-the-HSX-stellarator.pdf

Review of Scientific Instruments, Volume 88, Issue 12, December 2017

C. Buelo, D. Eisert
Synchrotron Radiation Center, University of Wisconsin – Madison, Madison, Wisconsin, 53706
F.S.B. Anderson, D.T. Anderson
Department of Electrical and Computer Engineering, University of Wisconsin – Madison, Madison, Wisconsin, 53706
L. Stephey
Data Analytics and Service Group, Lawrence Berkeley National Laboratory, Berkeley, California, 94720

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Determination of radial electric field from Pfirsch-Schluter flows in the HSX stellarator

Posted on 2020-06-16

Nuclear Fusion, Volume 57, February 2017
S. T. A. Kumar, J. N. Talmadge, T. J. Dobbins, F. S. B. Anderson, K. M. Likin and D. T. Anderson
HSX Plasma Laboratory, Univ. of Wisconsin, Madison, USA

File: Determination-of-radial-electric-field-from-Pfirsch-Schluter-flows-in-the-HSX-stellarato.pdf

Nuclear Fusion, Volume 57, February 2017

S. T. A. Kumar, J. N. Talmadge, T. J. Dobbins, F. S. B. Anderson, K. M. Likin and D. T. Anderson
HSX Plasma Laboratory, Univ. of Wisconsin, Madison, USA

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

Posted on 2020-01-14

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

Posted on 2020-01-14

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

Posted on 2020-01-14

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

Posted on 2020-01-14

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

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

Posted on 2020-01-14

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

Posted on 2020-01-14

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

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

Posted on 2020-01-14

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

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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

Posted on 2020-01-14

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

Posted on 2020-01-14

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

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Local ideal magnetohydrodynamic stability of a quasihelically symmetric stellarator

Posted on 2020-01-14

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

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

Posted on 2020-01-14

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

Posted on 2018-12-03

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

*Listed in more than one department

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

Posted on 2018-12-03

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

Full Publication Data

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Profile Stiffness Measurements in HSX and comparison to Nonlinear Gyrokinetic Calculations

Posted on 2018-12-03

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

Full Publication Data

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Magnetic diagnostic optimization for plasma equilibrium reconstruction in the HSX stellarator

Posted on 2018-12-03

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

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Core density turbulence in the HSX Stellarator

Posted on 2018-12-03

Nuclear Fusion, Volume 55, Number 12, December 2015
C. B. Deng, D. L. Brower
Department of Physics and Astronomy, University of California Los Angeles, Los Angeles, California 90095
D. T. Anderson, F. S. B. Anderson, K. Likin
Department of Electrical and Computer Engineering, University of Wisconsin-Madison, Madison, Wisconsin 53706
A. Briesemeister
Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831

Full Publication and Content Data

File: HSXCoreTurbulence_NF-100681.pdf

Nuclear Fusion, Volume 55, Number 12, October 2015
C. B. Deng, D. L. Brower
Department of Physics and Astronomy, University of California Los Angeles, Los Angeles, California 90095
D. T. Anderson, F. S. B. Anderson, K. Likin
Department of Electrical and Computer Engineering, University of Wisconsin-Madison, Madison, Wisconsin 53706
A. Briesemeister
Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831

Full Publication Data

Data_CDeng_densityfluctuations.xlsx

Data_CDeng_densityfluctuations_Fig2.xlsx

Figures_CDeng_densityfluctuations.docx

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Ray tracing and ECRH absorption modeling in the HSX stellarator

Posted on 2018-12-03

Nuclear Fusion, Volume 55, Number 11, November 2015
G. M. Weir, K. M. Likin
HSX Plasma Laboratory, University of Wisconsin–Madison, Madison, WI 53706, USA
N. B. Marushchenko, Y. Turkin
Max Planck Institute for Plasma Physics, EURATOM Association, Wendelsteinstr. 1, 17491 Greifswald, Germany

Full Publication and Content Data

File: Ray-tracing-and-ECRH-absorption-modeling-in-the-HSX-stellarator_Weir_Likin_et-al_2015.pdf

Full Publication Data

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Simulations of edge configurations in quasi-helically symmetric geometry using EMC3–EIRENE

Posted on 2018-12-03

Nuclear Fusion, Volume 53, Number 11, November 2013
A. Bader, D.T. Anderson, C.C. Hegna, J.N. Talmadge
University of Wisconsin, Madison, WI, USA
Y. Feng
Max-Planck Institut für Plasmaphysik, Greifswald, Germany
J.D. Lore
Oak Ridge National Laboratory, Oak Ridge, TN, USA

File: Simulations-of-edge-configurations-in-quasi-helically-symmetric-geometry-using-EMC3–EIRENE.pdf

Simulations of the edge of a quasi-helically symmetric (QHS) stellarator with geometry based on the Helically Symmetric eXperiment (HSX) are performed using the coupled codes EMC3–EIRENE.

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

Posted on 2018-12-03

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

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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Core density gradient fluctuation measurement by differential interferometry in the helically symmetric experiment stellarator

Posted on 2018-12-03

Review of Scientific Instruments, Volume 83, Issue 10, October 2012
C. B. Deng, D. L. Brower
Department of Physics and Astronomy, University of California Los Angeles, Los Angeles, California 90095, USA

File: Core-density-gradient-fluctuation-measurement-by-differential-interferometry-in-the-helically-symmetric-experiment-stellarator_Deng_Brower_2012.pdf

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High-Performance Interpolation of Stellarator Magnetic Fields

Posted on 2018-12-03

IEEE Transactions on Plasma Science, Volume 39, Issue 4, April 2011
Paul Probert
HSX Plasma Laboratory, Electrical and ComputerEngineering Department, University of Wisconsin–Madison, Madison, WI53706-1691 USA

File: High-Performance-Interpolation-of-Stellarator-Magnetic-Fields_Probert_2011.pdf

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Far-forward collective scattering measurements of density fluctuations in the helically symmetric experiment stellarator

Posted on 2018-12-03

Review of Scientific Instruments, Volume 81, Issue 10, October 2010
C. B. Deng, D. L. Brower
Department of Physics, University of California, Los Angeles, California 90095, USA

File: Far-forward-collective-scattering-measurements-of-density-fluctuations-in-the-helically-symmetric-experiment-stellarator_Deng_Brower_2010.pdf

Review of Scientific Instruments, Volume 81, Issue 10, October 2010
C. B. Deng, D. L. Brower
Department of Physics, University of California, Los Angeles, California 90095, USA

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Energetic-Electron-Driven Instability in the Helically Symmetric Experiment

Posted on 2018-12-03

IEEE Transactions on Plasma Science, Volume 103, Issue 2, July 2009
C. B. Deng, D. L. Brower, W. X. Ding
Department of Physics and Astronomy, University of California, Los Angeles, Los Angeles, California 90095, USA
B. N. Breizman
Institute for Fusion Studies, University of Texas, Austin, Texas 78712, USA
D. A. Spong
Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
A. F. Almagri, D. T. Anderson, F. S. B. Anderson, W. Guttenfelder, K. M. Likin, J. N. Talmadge
Department of Electrical and Computer Engineering, University of Wisconsin, Madison, Wisconsin 53706, USA

File: Energetic-Electron-Driven-Instability-in-the-Helically-Symmetric-Experiment_Deng_Brower_et-al_2009.pdf

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Effect of Quasihelical Symmetry on Trapped-Electron Mode Transport in the HSX Stellarator

Posted on 2018-12-03

Physical Review Letters, Volume 101, Issue 21, November 2008
W. Guttenfelder, J. Lore, 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
W. Dorland
Department of Physics, CSCAMM, IREAP, University of Maryland, College Park, Maryland 20742, USA

File: Effect-of-Quasihelical-Symmetry-on-Trapped-Electron-Mode-Transport-in-the-HSX-Stellarator_Guttenfelder_Lore_Anderson-DT_Anderson-FSB_et-al_2008.pdf

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

Posted on 2018-11-30

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

Full Publication and Content Data

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

Full Publication Data

beam_collection_contours.fig

References.doc

source_flux_profiles.fig

qhs_mir_te_ne_26kw_67kW_bw.fig

qhs_mir_te_ne_80kw_bw.fig

QHS_Mirror_Chie_bw.fig

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

Return to Physics of Plasmas 2007 publications

Experimental Demonstration of Improved Neoclassical Transport with Quasihelical Symmetry

Posted on 2018-11-30

Physical Review Letters, Volume 98, Issue 8, February 2007
J. M. Canik, 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

File: Experimental-Demonstration-of-Improved-Neoclassical-Transport-with-Quasihelical-Symmetry_Canik_Anderson-DT_Anderson-FSB_Likin_Talmadge_Zhai_2007.pdf

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Overview of Recent Results from HSX

Posted on 2018-11-30

Fusion Science and Technology, Volume 50, Issue 2, March 2006
D. T. Anderson, A. Abdou, A. F. Almagri, F. S. B. Anderson, J. M. Canik, W. Guttenfelder, C. Lechte, K. M. Likin, H. Lu, S. Oh, P. H. Probert, J. Radder, V. Sakaguchi, J. Schmitt, J. N. Talmadge, K. Zhai
University of Wisconsin-Madison, HSX Plasma Laboratory
D. L. Brower and C. Deng
University of California-Los Angeles, Electrical Engineering Department

File: Overview-of-Recent-Results-from-HSX_Anderson-DT_Abdo_et-al_2006.pdf

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Influence of magnetic topology on transport and stability in stellarators

Posted on 2018-11-30

Plasma Physics and Controlled Fusion, Volume 47, Number12B, December 2005
F. Castejón, T. Estrada, D. López-Bruna, C. Hidalgo
Laboratorio Nacional de Fusión. Asociación Euratom/Ciemat, 28040-Madrid, Spain
A. Fujisawa, K. Ida
National Institute for Fusion Science Oroshi-cho, Toki-shi, Gifu, 509-5292 Japan
J. N. Talmadge
University of Wisconsin-Madison, Madison, Wisconsin 53706 USA
L. Krupnik
Institute of Plasma Physics, NSC ‘KIPT’, Kharkov, Ukraine
A. Melnikov
Institute of Nuclear Fusion, RRC ‘Kurchatov Institute’, Moscow, Russia

File: Influence-of-magnetic-topology-on-transport-and-stability-in-stellarators_Castejon_Fujisawa_Ida_Talmadge_et-al_2005.pdf

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Experimental Evidence of Reduced Plasma Flow Damping with Quasisymmetry

Posted on 2018-11-30

Physics of Plasmas, Volume 24, Issue 3, January 2005
S. P. Gerhardt, J. N. Talmadge, J. M. Canik, D. T. Anderson
Department of Electrical and Computer Engineering, University of Wisconsin–Madison, Madison, Wisconsin, USA

File: Experimental-Evidence-of-Reduced-Plasma-Flow-Damping-with-Quasisymmetry_Gerhardt_Talmadge_Canik_Anderson-DT_2005.pdf

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Ha detector system for the Helically Symmetric Experiment

Posted on 2018-11-30

Review of Scientific Instruments, Volume 75, Issue 9, September 2004
S. P. Gerhardt, J. M. Canik, D. T. Anderson, L. Owen
Review of Scientific Instruments, Vol. 75, No. 9, September 2004

File: Ha-detector-system-for-the-Helically-Symmetric-Experiment_Gerhardt_Canik_Anderson-DT_Owen_2004.pdf

Review of Scientific Instruments, Volume 75, Issue 9, September 2004
S. P. Gerhardt, J. M. Canik, D. T. Anderson, L. Owen
Review of Scientific Instruments, Vol. 75, No. 9, September 2004

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Performance of the Thomson scattering diagnostic on Helical Symmetry Experiment

Posted on 2018-11-30

Review of Scientific Instruments, Volume 75, Issue 10, October 2004
K. Zhai, F. S. B. Anderson, K. Willis, K. Likin, D. T. Anderson
Review of Scientific Instruments, Vol. 75, No. 10, October 2004

File: Performance-of-the-Thomson-scattering-diagnostic-on-Helical-Symmetry-Experiment_Zhai_Anderson-FSB_et-al_2004.pdf

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ASTRA Modeling of ECH in HSX

Posted on 2018-11-30

Fusion Science and Technology, Volume 46, Issue 2, September 2004
Joseph N. Talmadge, Konstantin M. Likin, Ali El-Sayed Ali Abdou, Abdulgader F. Almagri, David T. Anderson, F. Simon B. Anderson, John M. Canik, Chuanbao Deng, Stefan P. Gerhardt, Kan Zhai
The HSX Plasma Laboratory, University of Wisconsin-Madison, Madison, Wisconsin

File: ASTRA-Modeling-of-ECH-in-HSX_Talmadge_Likin_et-al_2004.pdf

Fusion Science and Technology, Volume 46, Number 2, September 2004
Joseph N. Talmadge, Konstantin M. Likin, Ali El-Sayed Ali Abdou, Abdulgader F. Almagri, David T. Anderson, F. Simon B. Anderson, John M. Canik, Chuanbao Deng, Stefan P. Gerhardt, Kan Zhai
The HSX Plasma Laboratory, University of Wisconsin-Madison, Madison, Wisconsin

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First results from the multichannel interferometer system on HSX

Posted on 2018-11-30

Review of Scientific Instruments, Volume 74, Issue 3, March 2003
C. Deng, D. L. Brower, and W. X. Ding
Electrical Engineering Department, University of California, Los Angeles, Los Angeles, California
A. F. Almagri, D. T. Anderson, F. S. B. Anderson, S. P. Gerhardt, P. Probert,and J. N. Talmadge
The HSX Plasma Laboratory, University of Wisconsin, Madison, Wisconsin

File: First-results-from-the-multichannel-interferometer-system-on-HSX-_Deng_Brower_Ding_et-al_2003.pdf

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Multichannel interferometer system for the helically symmetric experiment

Posted on 2018-11-30

Review of Scientific Instruments, Volume 72, Issue 1, January 2001
D. L. Brower, C. Deng, W. X. Ding
Electrical Engineering Department, and Institute of Plasma and Fusion Research, University of Californiaat Los Angeles, Los Angeles, California 90095-1594
D. T. Anderson, W. Mason
Electrical Engineering Department, University of Wisconsin at Madison, Madison, Wisconsin 53706

File: Multichannel-interferometer-system-for-the-helically-symmetric-experiment_Brower_Deng_Ding_Anderson-DT_Mason_2001.pdf

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A Helically Symmetric Stellarator (HSX)

Posted on 2018-11-27

IEEE Transactions on Plasma Science, Volume 27, Number 1, February 1999
A. F. Almagri, D. T. Anderson, F. S. B. Anderson, P. H. Probert, J. L. Shohet, J. N. Talmadge
Torsatron/Stellarator Laboratory, University of Wisconsin-Madison, Madison, WI 53706 USA

File: A-helically-symmetric-stellarator-HSX_Almagri_Anderson-DT_Anderson-FSB_Probert_Shohet_Talmadge_1999.pdf