HBTEP: The Tokamak at Columbia University

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The papers, thesis, and publications of HBTEP

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HBT-EP Related Publications (reverse chronological order)

Peng, Q., et al., “Improved feedback control of wall-stabilized kink modes with different plasma-wall couplings and mode rotation,” submitted to Plasma Phys. Control. Fus. (2015).
Hughes, P.E., et al., “Design and Installation of a Ferromagnetic Wall in Tokamak Geometry,” submitted to Rev. Sci. Instr. (2015).
Levesque, J.P., et al., “Active and passive kink mode studies in a tokamak with a movable ferromagnetic wall,” Phys. Plasmas 22, 056102 (2015). DOI: http://dx.doi.org/10.1063/1.4918360
Angelini, S.M., et al., “High-Speed imaging of the plasma response to resonant magnetic perturbations in HBT-EP,” Plasma Phys. Control. Fus., 57, 045008 (2015). DOI: http://dx.doi.org/10.1088/0741-3335/57/4/045008
Rath, N., et al., “Fast, multi-channel real-time processing of signals with microsecond latency using graphics processing units,” Rev. Sci. Instr. 85, 045114 (2014). DOI: http://dx.doi.org/10.1063/1.4870901
Rath, N., et al., “Adaptive Feedback Control of Rotating External Kink Modes in HBT-EP,” Nuc. Fusion, 53, 073052 (2013a). DOI: http://dx.doi.org/10.1088/0029-5515/53/7/073052
Rath, N., et al., “Adaptive Control of Rotating Magnetic Perturbations in HBT-EP using GPU Processing,” Plasma Phys. Control. Fus. 55, 084003 (2013b). DOI: http://dx.doi.org/10.1088/0741-3335/55/8/084003
Shiraki, D., et al., “In-Situ “Artificial Plasma” Calibration of Tokamak Magnetic Sensors,” Rev. Sci. Instr., 84, 063502 (2013a). DOI: http://dx.doi.org/10.1063/1.4808366
Levesque, J.P., et al., “Multimode observations and 3D magnetic control of the boundary of a tokamak plasma,” Nuc. Fusion, 53, 073037 (2013). DOI: http://dx.doi.org/10.1088/0029-5515/53/7/073037
Shiraki, D., et al., “Measurement of 3D Plasma Response to External Magnetic Perturbations in the Presence of a Rotating External Kink,” Phys. Plasmas, 20, 102503 (2013b). DOI: http://dx.doi.org/10.1063/1.4824345
Maurer, D.A., et al., “High resolution detection and excitation of resonant magnetic perturbations in a wall-stabilized tokamak,” Phys. Plasmas, 19, 056123 (2012). DOI: http://dx.doi.org/10.1063/1.4718330
Rath, N., et al. “High-speed, multi-input, multi-output control using GPU processing in the HBT-EP tokamak,” Fusion Eng. Des., 87, 1895 (2012a). DOI: http://dx.doi.org/10.1016/j.fusengdes.2012.04.003
Levesque, J.P., et al., “A high-power spatial filter for Thomson scattering stray light reduction,” Rev. Sci. Instr. 82, 033501 (2011). DOI: http://dx.doi.org/10.1063/1.3549142
Maurer, D.A., et al., “The high beta tokamak-extended pulse magnetohydrodynamic mode control research program,” Plasma Phys. Control. Fus., 53, 074016 (2011). DOI: http://dx.doi.org/10.1088/0741-3335/53/7/074016
Hanson, J.M., et al., “A digital control system for external magnetohydrodynamic modes in tokamak plasmas,” Rev. Sci. Instr., 80(4), 043503 (2009a). DOI: http://dx.doi.org/10.1063/1.3112607
Hanson, J.M., et al., “A Kalman filter for feedback control of rotating external kink instabilities in the presence of noise,” Phys. Plasmas, 16 (5), 056112 (2009b). DOI: http://dx.doi.org/10.1063/1.3110110
Hanson, J.M., et al., “Feedback suppression of rotating external kink instabilities in the presence of noise,” Phys. Plasmas, 15 (8), 080704 (2008). DOI: http://dx.doi.org/10.1063/1.2974797
Katsuro-Hopkins, O., et al. “Enhanced ITER resistive wall mode feedback performance using optimal control techniques,” Nuc. Fusion, 47, 1157-1165 (2007). DOI: http://dx.doi.org/10.1088/0029-5515/47/9/012
Pedersen, T.S., et al., “Experiments and modelling of external kink mode control using modular internal feedback coils,” Nuc. Fusion 47 (9) 1293-1299 (2007). DOI: http://dx.doi.org/10.1088/0029-5515/47/9/028
Maurer, D. A., et al., “Controllability and reduced state space models for feedback control of the resistive wall kink mode,” Proceedings 45th IEEE CDC, WeIT.13 (2006). DOI: http://dx.doi.org/10.1109/CDC.2006.377492
Reimerdes, H., et al., “Cross-machine comparison of resonant field amplification and resistive wall mode stabilization by plasma rotation,” Phys. Plasmas 13, 056107 (2006). DOI: http://dx.doi.org/10.1063/1.2177134
Klein, A.J., et al., “Suppression of rotating external kink instabilities using optimized mode control feedback,” Phys. Plasmas, 12, 040730 (2005). DOI: http://dx.doi.org/10.1063/1.1868732
Mauel, M.E., et al., “Dynamics and control of resistive wall modes with magnetic feedback coils: Theory and Experiment,” Nuc. Fusion, 45, 285 (2005). DOI: http://dx.doi.org/10.1088/0029-5515/45/4/010
Liu, Y., et al., “A high spatial resolution Hall sensor array for edge plasma magnetic field measurements,” Rev. Sci. Instr. 76, 093501 (2005). DOI: http://dx.doi.org/10.1063/1.2018628
Shilov, M., et al., “Dynamical Plasma Response of Resistive Wall Modes to Changing External Magnetic Perturbations,” Phys. Plasmas 11, 2573 (2004). DOI: http://dx.doi.org/10.1063/1.1688793
Paul, S.F., et al., “High-speed optical diagnostic that uses interference filters to measure Doppler shifts,” Rev. Sci. Instr. 10, 4077 (2004). DOI: http://dx.doi.org/10.1063/1.1790057
Paul, S. F., “Real-time plasma rotation diagnostic for measuring small Doppler shifts,” Rev. Sci. Instr., 74 (3), 2098 (2003). DOI: http://dx.doi.org/10.1063/1.1537438
Maurer, D.A., et al., “3D VALEN Modeling and HBT-EP Experiments,” IAEA-CN-94/TH/P3-13, IAEA (2002). http://www.iaea.org/inis/collection/NCLCollectionStore/_Public/35/074/35074052.pdf
Taylor, E. D., et al., “Effect of magnetic islands on the local plasma behavior in a tokamak experiment,” Phys. Plasmas, 3938 (2002). DOI: http://dx.doi.org/10.1063/1.1499715
Bialek, J., et al., “Modeling of Active Control of External Magnetohydrodynamic Instabilities,” Phys. Plasmas, 8 2170 (2001). DOI: http://dx.doi.org/10.1063/1.1362532
Nadle, D.L., et al., “The Feedback Phase Instability in the HBT-EP Tokamak,” Nuc. Fusion 40 1791 (2000). DOI: http://dx.doi.org/10.1088/0029-5515/40/10/309
Cates, C., et al., “Suppression of resistive wall instabilities with distributed, independently controlled, active feedback coils,” Phys. Plasmas, 7, 133 (2000). DOI: http://dx.doi.org/10.1063/1.874223
Taylor, E. D., et al., “Nonstationary signal analysis of magnetic islands in plasmas,” Rev. Sci. Instr. 70, (1999). DOI: http://dx.doi.org/10.1063/1.1150110
Mauel, M.E., et al., “Suppression of Magnetic Islands through Synchronous and Asynchronous Application of Resonant Magnetic Fields,” Plasma Physics and Controlled Fusion Research, IAEA, (1998). http://www-pub.iaea.org/MTCD/publications/PDF/csp_001c/pdf/exp3_09.pdf
Navratil, G.A., et al., “Active control of 2/1 magnetic islands in a tokamak,” Phys. Plasmas 5, 1855 (1998). DOI: http://dx.doi.org/10.1063/1.872856
Garofalo, A. M., et al., “Stabilization of kink instabilities by eddy currents in a segmented wall and comparison with ideal MHD theory,” Nuc. Fusion 38, 1029 (1998). DOI: http://dx.doi.org/10.1088/0029-5515/38/7/306
Mauel, M.E., “Eddy-Current Characterization and Plasma Rotation Control in Wall-Stabilized Tokamak Discharges,” Plasma Physics and Controlled Fusion Research, IAEA (1996). http://www.iaea.org/inis/collection/NCLCollectionStore/_Public/28/062/28062985.pdf
Ivers, T. H., et al., “Observation of wall stabilization and active control of low-n magnetohydrodynamic instabilities in a tokamak,” Phys. Plasmas 3, 1926 (1996). DOI: http://dx.doi.org/10.1063/1.871988
Ivers, T. H., et al., “Passive and Active Control of MHD Instabilities in the HBT-EP Tokamak,” Plasma Physics and Controlled Fusion Research, IAEA, (1994).http://www.iaea.org/inis/collection/NCLCollectionStore/_Public/27/049/27049293.pdf
Sankar, M. K. V., et al., “Initial high beta operation of the HBT-EP tokamak,” J. Fusion Energy 12, 303 (1993). DOI: http://dx.doi.org/10.1007/BF01079674

HBT-EP Dissertations (reverse chronological order)

Angelini, S.M., High-Speed Videography on HBT-EP, Ph.D. Thesis, Columbia University (2014).
DeBono, B.A., How Rotation affects Instabilities and the Plasma Response to Magnetic Perturbations in a Tokamak Plasma, Ph.D. Thesis, Columbia University (2014).
Rath, N., GPU-based, Microsecond Latency, Hecto-Channel MIMO Feedback Control of Magnetically Confined Plasmas, Ph.D. Thesis, Columbia University (2012b).
Levesque, J.P., Multimode Structure of Resistive Wall Modes near the Ideal Wall Stability Limit, Ph.D. Thesis, Columbia University (2012).
Shiraki, D., High-Resolution MHD Spectroscopy of External Kinks in a Tokamak Plasma, Ph.D. Thesis, Columbia University (2012).
Hanson, J.M., A Kalman Filter for Active Feedback on Rotating External Kink Instabilities in a Tokamak Plasma, Ph.D. Thesis, Columbia University (2009c).
James, R.W., Dα Emissions as a Tool for Long Wavelength Instability Investigations of Fusion Tokamak Plasmas, Ph.D. Thesis, Stevens Institute of Technology (2008).
Liu, Y., Study of External Kink Stability With a Conducting Wall, Ph.D. Thesis, Columbia University (2006).
Klein, A.J., High-speed Digital Mode Control Feedback on Magneto-hydrodynamic Instabilities in the HBT-EP Tokamak, Ph.D. Thesis, Columbia University (2005).
Cates, C.J., Active Feedback Suppression of Resistive Wall Instabilities on HBT-EP, Ph.D. Thesis, Columbia University (2005).
Shilov, M., Measurement of the Response of External Kink modes to Resonant Magnetic Perturbation in HBT-EP Tokamak Plasmas, Ph.D. Thesis, Columbia University (2005).
Maurer, D.A., Interaction of Rotating Magnetic Perturbations with Magnetic Islands in the HBT-EP Tokamak, Ph.D. Thesis, Columbia University (2000).
Taylor, E. D., Effect of Magnetic Islands on the Local Plasma Behavior in a Tokamak, Ph.D. Thesis, Columbia University (1999).
Nadle, D. L., Magnetic Feedback Experiments on the m/n = 2/1 Tearing Mode in the HBT-EP Tokamak, Ph.D. Thesis, Columbia University (1999).
Eisner, E., The Effects of Wall Coverage, Symmetry, and Plasma-Wall Separation on the Stability of Tokamak Plasmas, Ph.D. Thesis, Columbia University (1998).
Kombargi, R., The Influence of a Conducting Wall on Disruptions in HBT-EP, Ph.D. Thesis, Columbia University (1998).
Xiao Q., Effect of Applied Resonant Magnetic Fields on the Measured MHD Mode Structure in a Tokamak Plasmas, Ph.D. Thesis, Columbia University (1998).
Garofalo A., A. M., Measurement and Interpretation of Eddy Current Induced in a Segmented Conducting Wall by MHD Instabilities in a Tokamak, Ph.D. Thesis, Columbia University (1997).
Gates, D., Stabilization of MHD Instabilities Using a Conducting Wall on HBT-EP, Ph.D. Thesis, Columbia University (1993).