DIII-D RESEARCH OPPORTUNITIES FORUM FOR THE 2014 EXPERIMENTAL CAMPAIGN
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| (Proposal numbers 1-382 are from 2013) | |||||||||
| ID | Title | Research Area | Name | Affiliation |
Time Req'ed |
ITPA Joint Exp |
ITER IO Urgent Research Task |
||
| 60 | Effective NTM control in low torque plasmas | Stability & Disruption Avoidance | GA | No | No | No | |||
| 73 | Test optimized TBM error field correction at higher values of beta | Stability & Disruption Avoidance | CRPP-EPFL | Yes | No | No | |||
| 74 | Optimize TBM error field correction against field penetration in low NBI torque H-modes | Stability & Disruption Avoidance | CRPP-EPFL | Yes | No | No | |||
| 75 | Evaluate the potential of correcting more than one mode component of the TBM error field | Stability & Disruption Avoidance | CRPP-EPFL | Yes | No | No | |||
| 78 | 3D magnetics plasma response measurements of n=1 perturbations for RWM analysis & model validation | Stability & Disruption Avoidance | Department of Energy | Yes | No | Yes | |||
| 79 | 3D magnetics equilibrium measurements to applied n=3 perturbations | Stability & Disruption Avoidance | Department of Energy | Yes | No | Yes | |||
| 85 | Current profile control for stable ITER baseline scenario plasmas | Stability & Disruption Avoidance | Columbia U | Yes | No | No | |||
| 91 | Complete the Development of PCS n=2 Error Field Control Algorithm | Stability & Disruption Avoidance | Department of Energy | Yes | No | No | |||
| 92 | H-mode Optimization of n=1&2 Error Field Control Currents | Stability & Disruption Avoidance | Department of Energy | Yes | No | No | |||
| 96 | Effect of Error Field Control Currents on Strike Point Splitting | Stability & Disruption Avoidance | Department of Energy | No | No | No | |||
| 97 | Time-resolved measurement of plasma response spectrum | Stability & Disruption Avoidance | Columbia U | Yes | No | No | |||
| 98 | Develop feedback-controlled MHD spectroscopy | Stability & Disruption Avoidance | Columbia U | Yes | No | No | |||
| 99 | Understand and control resistive wall mode stability in high-qmin plasmas | Stability & Disruption Avoidance | Columbia U | Yes | Yes | No | |||
| 100 | Understand resistive wall mode control physics in low-q95 plasmas | Stability & Disruption Avoidance | Columbia U | Yes | No | No | |||
| 102 | TBM mock-up effects on confinement at high β | Stability & Disruption Avoidance | ITER Organization | Yes | No | Yes | |||
| 105 | Optimization and exploration of the q95<2 scenario in DIII-D | Stability & Disruption Avoidance | Consorzio RFX | Yes | No | No | |||
| 107 | Error field detection by application of a "spiraling" error field | Stability & Disruption Avoidance | ORNL | Yes | No | No | |||
| 108 | Disruption avoidance by forced magnetic spin-up of NTMs | Stability & Disruption Avoidance | ORNL | Yes | No | No | |||
| 119 | Impact of fast-ions on the RWM stability boundary | Stability & Disruption Avoidance | Columbia U | Yes | Yes | No | |||
| 122 | Bid farewell to locked modes - NTM-locking avoidance by feedback synchronization assisted with ECCD | Stability & Disruption Avoidance | PPPL | Yes | No | No | |||
| 123 | Bid farewell to locked modes - NTM-locking avoidance by feedback synchronization assisted with ECCD | Stability & Disruption Avoidance | PPPL | No | No | No | |||
| 163 | Exploration of DEFC in the feedback stabilized plasma in low-q discharges | Stability & Disruption Avoidance | PPPL | Yes | No | No | |||
| 174 | Exploration of DEFC in the feedback stabilized plasma in low-q discharges | Stability & Disruption Avoidance | PPPL | No | No | No | |||
| 183 | Measurement of multiple mechanisms in the low-density limit via ellipticity in the compass scan | Stability & Disruption Avoidance | Columbia U | Yes | No | No | |||
| 186 | Optimal Mixing of I & C coils for n=1 EFC | Stability & Disruption Avoidance | Columbia U | Yes | No | No | |||
| 187 | H-mode 3-D field optimization with purely kink-resonant and non-resonant n=1 fields | Stability & Disruption Avoidance | Columbia U | Yes | No | No | |||
| 188 | Extension of proxy error field experiments to H-mode plasmas | Stability & Disruption Avoidance | Columbia U | No | No | No | |||
| 198 | Compare the power threshold for pre-emptive NTM suppression vs Catch and Subdue | Stability & Disruption Avoidance | PPPL | Yes | No | No | |||
| 199 | Reducing the tearing island detection time | Stability & Disruption Avoidance | PPPL | Yes | No | No | |||
| 200 | Multiple periods of NTM suppression | Stability & Disruption Avoidance | PPPL | Yes | No | No | |||
| 202 | Error Field Correction Improvement: Adding BetaN dependence | Stability & Disruption Avoidance | PPPL | Yes | No | No | |||
| 212 | Island seeding with saw teeth pacing: New method to control tearing modes | Stability & Disruption Avoidance | PPPL | Yes | No | No | |||
| 217 | PID (proportional integral derivative)control of Error Field | Stability & Disruption Avoidance | PPPL | Yes | No | No | |||
| 231 | Stabilization of NTMs with ECCD | Stability & Disruption Avoidance | QST | No | Yes | No | |||
| 232 | Bifurcated helical core equilibrium - continued | Stability & Disruption Avoidance | U of Wisconsin | Yes | No | No | |||
| 238 | Direct Measurement of NTV Torque | Stability & Disruption Avoidance | Columbia U | Yes | No | No | |||
| 239 | Continuous Scan of NTV Torque Across Low Rotation Peak | Stability & Disruption Avoidance | Columbia U | Yes | No | No | |||
| 240 | Optimization of Applied Error Field Spectrum for NTV | Stability & Disruption Avoidance | Columbia U | Yes | No | No | |||
| 242 | q95 < 2 Tokamak Operation Via Dynamic Error Field Correction | Stability & Disruption Avoidance | GA | No | No | No | |||
| 291 | Trigger-less onset of NTMs with P_EC and NTV effects on rotation regime | Stability & Disruption Avoidance | Instituto Superior Tecnico, Lisboa, Portugal | No | No | No | |||
| 296 | Determine dependence of RWM marginal stability on rotation and energetic particles | Stability & Disruption Avoidance | Columbia U | Yes | Yes | Yes | |||
| 298 | Soft landing with 2/1 TM in the ITER shape | Stability & Disruption Avoidance | GA | No | No | No | |||
| 309 | Full 3D Rotation optimization of H mode | Stability & Disruption Avoidance | GA | No | Yes | Yes | |||
| 317 | Study on sawteeth in the neutral beam (NB) heated plasmas | Stability & Disruption Avoidance | Korea National Fusion Research Center | No | No | No | |||
| 320 | RWM excitation in the SSI target by reducing triangularity" | Stability & Disruption Avoidance | PPPL | No | No | No | |||
| 326 | Understand mechanisms by which ECH influences NTM stablility | Stability & Disruption Avoidance | GA | No | No | No | |||
| 328 | Error field correction at low rotation | Stability & Disruption Avoidance | GA | No | No | No | |||
| 329 | Discussion of plasma rotation transient process during OFM/ELM-driven RWM w/wo feedback usin | Stability & Disruption Avoidance | PPPL | No | No | No | |||
| 331 | QH-mode with TBM (dup 330) | Stability & Disruption Avoidance | GA | No | No | No | |||
| 338 | Local correction of the TBM error field | Stability & Disruption Avoidance | Columbia U | No | No | Yes | |||
| 339 | Combined effect of TBM and NTM fields on fast-ion confinement | Stability & Disruption Avoidance | UC, Irvine | No | Yes | No | |||
| 340 | Combined effect of TBM and Sawtooth fields on fast-ion confinement | Stability & Disruption Avoidance | UC, Irvine | No | Yes | No | |||
| 354 | Control of Major Disruptions in DIII-D | Stability & Disruption Avoidance | Columbia U | No | No | No | |||
| 361 | Dither injection for closed-loop system identification of vacuum and plasma response | Stability & Disruption Avoidance | Consultant | No | No | No | |||
| 364 | Absolute plasma response null measurement by multiple betaN steps | Stability & Disruption Avoidance | Columbia U | No | No | No | |||
| 366 | Up/down Asymmetric EFC | Stability & Disruption Avoidance | Department of Energy | No | No | No | |||
| 425 | Flow or flow shear for m/n=2/1 tearing mode stabilization? | Stability & Disruption Avoidance | Retired from GA | Yes | Yes | No | |||
| 442 | Measurement of Inductive Poloidal Current | Stability & Disruption Avoidance | GA | No | No | No | |||
| 445 | Effect of Islands on ECCD | Stability & Disruption Avoidance | GA | No | No | No | |||
| 451 | Disruption mitigation by differential rotation of internal MHD | Stability & Disruption Avoidance | Los Alamos National Laboratory | Yes | No | No | |||
| 455 | TBM mock-up effects on confinement at high β | Stability & Disruption Avoidance | ITER Organization | Yes | No | Yes | |||
| 458 | Test optimized TBM error field correction at higher values of beta | Stability & Disruption Avoidance | CRPP-EPFL | No | No | Yes | |||
| 477 | Establishing MHD mode rotation control with EM torque and better understanding of disruptive process | Stability & Disruption Avoidance | PPPL | Yes | No | Yes | |||
| 478 | Reduction of thermal disruption due to 2/1 mode in q >1 configuration | Stability & Disruption Avoidance | PPPL | Yes | No | Yes | |||
| 479 | Major disruption avoidance by providing â??magnetic helical insulationâ?? between ST and 2/1 surface | Stability & Disruption Avoidance | PPPL | Yes | No | Yes | |||
| 480 | Orderly shutdown enhancement of multi-mega joule magnetic energy during the plasma current shut down | Stability & Disruption Avoidance | PPPL | Yes | No | Yes | |||
| 481 | Spin-up the NTM mode frequency for suppression of NTM by explicitly the EM torque control | Stability & Disruption Avoidance | PPPL | Yes | No | Yes | |||
| 482 | Disruption study by increasing up to 1kHz of 3/2 (n=2) mode over internally shielded regime | Stability & Disruption Avoidance | PPPL | Yes | No | Yes | |||
| 483 | Avoidance of NTM mode rotation frequency near the dangerous mechanical resonance | Stability & Disruption Avoidance | PPPL | Yes | No | Yes | |||
| 484 | Mitigation: Reduction of toroidal-asymmetry of radiation loss by 3D-magnetic mode rotation control | Stability & Disruption Avoidance | PPPL | Yes | No | Yes | |||
| 485 | Avoidance of NTM mode rotation frequency near the dangerous mechanical resonance | Stability & Disruption Avoidance | PPPL | Yes | No | Yes | |||
| 486 | Mitigation: pellet and massive gas injections in helically favorable ways for reducing asymmetry | Stability & Disruption Avoidance | PPPL | Yes | No | Yes | |||
| 487 | Reduction of required power of ECCD NTM suppression targeting in slowly moving x- and o- point | Stability & Disruption Avoidance | PPPL | Yes | No | Yes | |||
| 496 | Impact of fast-ions on the RWM stability boundary | Stability & Disruption Avoidance | Columbia U | No | No | No | |||
| 498 | Validation of single-mode model of error field correction for n=2 fields | Stability & Disruption Avoidance | Department of Energy | Yes | Yes | No | |||
| 499 | Up/down Asymmetric EFC | Stability & Disruption Avoidance | Department of Energy | No | No | No | |||
| 500 | q95<2 tokamak operation via dynamic error field correction | Stability & Disruption Avoidance | Consorzio RFX | Yes | No | No | |||
| 526 | q95 < 2 Tokamak Operation Via Dynamic Error Field Correction | Stability & Disruption Avoidance | GA | No | No | No | |||
| 549 | Testing kinetic RWM stabilization theory at marginal stability in high beta, TM stabilized plasmas | Stability & Disruption Avoidance | Columbia U | Yes | Yes | Yes | |||
| 562 | RMP NTM interaction | Stability & Disruption Avoidance | PPPL | Yes | No | No | |||
| 565 | Benign 3/2 NTM Formation to avoid 2/1 NTM locking | Stability & Disruption Avoidance | PPPL | No | No | No | |||
| 570 | Space, time and energy-resolved x-ray measurements for magnetically confined fusion plasmas | Stability & Disruption Avoidance | PPPL | Yes | No | No | |||
| 578 | Â N=2 mode rotation technique development using the current-driven loq q RWM onset | Stability & Disruption Avoidance | PPPL | Yes | No | Yes | |||
| 581 | Heat flux distribution during major disruptions | Stability & Disruption Avoidance | ITER Organization | Yes | Yes | Yes | |||
| 582 | Energy deposition during runaway electron impact | Stability & Disruption Avoidance | ITER Organization | Yes | Yes | Yes | |||
| 602 | Rotating field current drive for NTM suppression | Stability & Disruption Avoidance | Massachusetts Institute of Technology | Yes | No | No | |||
| 605 | Importance of matched poloidal spectra in most sensitive EFC conditions | Stability & Disruption Avoidance | Columbia U | No | No | No | |||
| 606 | Dominant kink-mode poloidal coupling dependence with betaN, q95 | Stability & Disruption Avoidance | Columbia U | No | No | No | |||
| 607 | Direct measurement of E-coil contribution to intrinsic EF | Stability & Disruption Avoidance | Columbia U | No | No | No | |||
| 610 | Local correction of the TBM error field | Stability & Disruption Avoidance | Columbia U | No | No | No | |||
| 611 | Absolute plasma response null measurement by multiple betaN steps | Stability & Disruption Avoidance | Columbia U | No | No | No | |||
| 617 | Characterization of core/pedestal density limits for rotating tearing modes | Stability & Disruption Avoidance | Columbia U | No | No | No | |||
| 622 | Identification of entrainment threshold in I-coil amplitude/frequency space | Stability & Disruption Avoidance | Massachusetts Institute of Technology | Yes | No | No | |||
| 626 | Validation of ECCD NTM stabilization criteria | Stability & Disruption Avoidance | ITER Organization | Yes | No | Yes | |||
| 630 | Sawtooth control via n=1 external magnetic perturbation: extension to H-mode plasmas | Stability & Disruption Avoidance | Consorzio RFX | Yes | No | No | |||
| 633 | Plasma response to small applied rotating fields as an error-field-detection method | Stability & Disruption Avoidance | Columbia U | Yes | No | No | |||
| 636 | Time-resolved measurement of plasma response spectrum | Stability & Disruption Avoidance | Columbia U | No | No | No | |||
| 657 | Initial n=2 error field correction | Stability & Disruption Avoidance | GA | No | No | No | |||
| 658 | Plasma response to n=2 perturbations | Stability & Disruption Avoidance | GA | No | No | No | |||
| 659 | n = 2 Dynamic Error Field Correction | Stability & Disruption Avoidance | GA | No | No | No | |||
| 660 | Dependence of non-axisymmetric plasma response on plasma rotation | Stability & Disruption Avoidance | GA | No | No | No | |||
| 663 | Effect of higher mode number error fields on n=1 Locking Threshold | Stability & Disruption Avoidance | Columbia U | No | No | No | |||
| 675 | Error field correction at low rotation | Stability & Disruption Avoidance | GA | No | Yes | No | |||
| 677 | Robust NTM control | Stability & Disruption Avoidance | CRPP-EPFL | No | Yes | Yes | |||
| 685 | Locked mode control at low (ITER-like) q95 and with external C-coils | Stability & Disruption Avoidance | Columbia U | No | No | No | |||
| 686 | â??Born-lockedâ?? mode control by ECCD and magnetic perturbations | Stability & Disruption Avoidance | Columbia U | No | No | No | |||
| 687 | Add modulated ECCD to f/back or f/fwd entrainment discharges | Stability & Disruption Avoidance | Columbia U | No | No | No | |||
| 689 | Assess optimal Error Field Correction by modulating I-coils at incommensurable frequencies | Stability & Disruption Avoidance | Columbia U | No | No | No | |||
| 690 | EFC by ramping beta up or q95 down or NBI torque down (instead of density down) in 3-4 discharges | Stability & Disruption Avoidance | Columbia U | No | No | No | |||
| 691 | Locked-mode avoidance by magnetic f/back on saddle-loops | Stability & Disruption Avoidance | Columbia U | No | No | No | |||
| 692 | NTMs â??on demandâ??, by ECH | Stability & Disruption Avoidance | Columbia U | No | No | No | |||
| 693 | NTMs â??on demandâ??, by modulated ECCD | Stability & Disruption Avoidance | Columbia U | No | No | No | |||
| 698 | Dither injection for closed-loop system identification of vacuum and plasma response | Stability & Disruption Avoidance | Consultant | No | No | No | |||
| 699 | Feedback control of mode rotation and phase | Stability & Disruption Avoidance | Consultant | No | No | No | |||
| 700 | PID-controlled boundary radial field for â??spontaneousâ?? mode-unlocking | Stability & Disruption Avoidance | Consultant | No | No | No | |||
| 705 | Develop feedback-controlled 3D equilibria | Stability & Disruption Avoidance | Columbia U | No | No | No | |||
| 710 | RWM control using external coils | Stability & Disruption Avoidance | Columbia U | No | No | No | |||
| 718 | Compare the power threshold for pre-emptive NTM suppression vs Catch and Subdue | Stability & Disruption Avoidance | PPPL | No | No | No | |||
| 737 | n=1 and n=2 simultaneous DEFC /DFB for routine demonstration of low q << 2 RWM stable regime | Stability & Disruption Avoidance | PPPL | No | No | No | |||
| 738 | The investigation of EP-kinetic effects and plasma rotation with low q and low beta operation | Stability & Disruption Avoidance | PPPL | No | No | No | |||
| 740 | Respond to locking by ramping IP down | Stability & Disruption Avoidance | Columbia U | No | No | No | |||
| 741 | Quantifying the improved confinement achieved by NTM spinup | Stability & Disruption Avoidance | Massachusetts Institute of Technology | No | No | No | |||
| 742 | Measurement of viscous torque on locked 2/1 mode | Stability & Disruption Avoidance | Massachusetts Institute of Technology | No | No | No | |||
| 743 | Measurement of viscous torque on locked 2/1 mode | Stability & Disruption Avoidance | Massachusetts Institute of Technology | No | No | No | |||
| 744 | NBI torque assisted unlocking and spinup experiments | Stability & Disruption Avoidance | Massachusetts Institute of Technology | No | No | No | |||
| 757 | Cause(s) for the rotation degradation and tearing instabilities of the ITER baseline scenario | Stability & Disruption Avoidance | Columbia U | No | No | No | |||
| 759 | Link between driven plasma response and tearing stability | Stability & Disruption Avoidance | Columbia U | No | No | No | |||
| 760 | Marginal 2/1 island width in IBS | Stability & Disruption Avoidance | Retired from GA | No | No | No | |||
| 762 | ITER Baseline Scenario: Expand the operational limit by NTM stabilization and Time Dependent EFC | Stability & Disruption Avoidance | PPPL | No | No | No | |||
| 763 | Expand the high li, betaN >4 operating regime through NTM Stabilization | Stability & Disruption Avoidance | PPPL | No | No | No | |||
| 764 | Multiple periods of NTM suppression | Stability & Disruption Avoidance | PPPL | No | No | No | |||
| 765 | Island seeding with saw teeth pacing: New method to control tearing modes | Stability & Disruption Avoidance | PPPL | No | No | No | |||
| 785 | Active determination of angular momentum transfer process between 3D structures: NTM 2/1 and 3/2 mo | Stability & Disruption Avoidance | PPPL | No | No | No | |||