DIII-D RESEARCH OPPORTUNITIES FORUM FOR THE 2017 EXPERIMENTAL CAMPAIGN

DIII-D RESEARCH OPPORTUNITIES FORUM FOR THE 2017 EXPERIMENTAL CAMPAIGN
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ID	Title	Research Area	Name	Affiliation	Time Req'ed	ITPA Joint Exp	ITER IO Urgent Research Task
2	Advanced RWM control with external coils	D&C - stability (apart from core stability in low torque ITER thrust)	Clement	PPPL	Yes	No	No
4	Optimized high-qmin performance using beam ion phase space tailoring to control Alfvenic activity	D&C - steady state (apart from core-edge SS thrust)	Pace	GA	Yes	No	No
15	3D fields for ELM suppression of AT scenario plasmas	Understand Limits and Means to Extend ELM suppression for future	Victor	LLNL	Yes	No	No
19	Use real time CER to test rotation actuation and 3D field effects	Develop Basis to Predict and Control Rotation in ITER	Chrystal	GA	Yes	No	No
28	Turbulence and transport in negative triangularity discharges at high beta_n	BPP - turbulence and transport	Austin	U of Texas, Austin	Yes	No	No
39	Near Axis Co-ECCD for ST Control in Low Torque IBS	Control and Understand Core Stability in low Torque ITER Baseline	La Haye	Retired from GA	Yes	Yes	No
40	Measuring Non-Axisymmetric Heat and Particle Flux Footprints in n=2 ELM Suppression	Understand Limits and Means to Extend ELM suppression for future	Briesemeister	ORNL	Yes	No	No
41	Optimize Co-ECCD For 2/1 NTM Preemption in the Low Torque ITER Baseline	Control and Understand Core Stability in low Torque ITER Baseline	La Haye	Retired from GA	Yes	Yes	No
43	Radiative divertor physics with impurity seeding in forward and reversed BT	Address Critical Detachment Physics Models	Jarvinen	VTT Technical Research Centre	Yes	No	No
44	Understanding the density dependence of WI S/XB coefficients	AMV: Erosion/migration	Abrams	GA	Yes	No	No
45	The impact of surface temperature on high-Z/low-Z mixed material balance	AMV: Erosion/migration	Abrams	GA	Yes	No	No
46	Qualify He exhaust capacity during RMP ELM suppression in relation to tau_E	Understand Limits and Means to Extend ELM suppression for future	Schmitz	U of Wisconsin	Yes	No	No
47	Optimize Pulsed Co-ECCD "Catch & Subdue" For 2/1 NTM Stabilization in the Low Torque ITER Baseline	Control and Understand Core Stability in low Torque ITER Baseline	La Haye	Retired from GA	Yes	Yes	No
48	Demonstrate NTV Torque Profile Control Varying 3D Field Spectra	Develop Basis to Predict and Control Rotation in ITER	Logan	Columbia U	Yes	No	No
49	Search for EF Driven Rotation with Positive NTV Offset	Develop Basis to Predict and Control Rotation in ITER	Logan	Columbia U	Yes	No	No
50	ELM Suppression Feedback using Reluctance Eigenmode Responses	Understand Limits and Means to Extend ELM suppression for future	Logan	Columbia U	Yes	No	No
54	correlation of stochasticity and enhanced momentum transport in multi-helicity discharges	D&C - stability (apart from core stability in low torque ITER thrust)	Tobias	Los Alamos National Laboratory	Yes	No	No
55	Optimize Co-ECCD for 3/2 NTM Preemption in the Low Torque ITER Baseline	Control and Understand Core Stability in low Torque ITER Baseline	La Haye	Retired from GA	Yes	Yes	No
57	n=1 I-Coil Applied Field for Tearing Mode Probing Using Super-Spa	Control and Understand Core Stability in low Torque ITER Baseline	La Haye	Retired from GA	Yes	Yes	No
58	Explore Electro-Magnetic turbulence by using Faraday-effect polarimeter	BPP - turbulence and transport	Chen	UCLA	Yes	No	No
59	Parametric dependence of micro-tearing mode and associated transport	BPP - turbulence and transport	Chen	UCLA	Yes	No	No
60	3D pedestal turbulence studies during ELM suppression with rotating n=2 I-coils	Understand Limits and Means to Extend ELM suppression for future	Wilcox	ORNL	Yes	No	No
64	Commissioning of the Laser Blow-off System on DIII-D	BPP - turbulence and transport	Howard	Massachusetts Institute of Technology	Yes	No	No
65	Commissioning of the Laser Blow-off System on DIII-D	BPP - turbulence and transport	Howard	MIT -PSFC	Yes	No	No
66	Maintaining divertor detachment through H-L back transition	DO: Detachment & control (apart from Detachment Physics Thrust)	Eldon	GA	Yes	No	No
68	Active handling of 3D divertor power deposition with impurity seeding and gas puffing for EAST long pulse operations	Boundary	Wang	ASIPP	Yes	Yes	Yes
69	Optimized lower torque hybrids	Integrated Core-Edge Steady State Solution	Turco	Columbia U	Yes	No	No
72	Erosion of tungsten-alternative PFCs due to Type I ELMs in DIII-D	AMV: Erosion/migration	Coburn	Sandia National Lab	Yes	No	No
73	Understand the role of Shafranov shift, q profile on the formation of ITB in high betap plasmas	Scenarios and Transport	Ding	GA	Yes	No	No
75	Impact deuterium molecular emission on the radiation shortfall	Address Critical Detachment Physics Models	Groth	Aalto U	Yes	No	No
79	Phase scan of n=3 RMP ELM Suppression	Understand Limits and Means to Extend ELM suppression for future	Ferraro	PPPL	Yes	No	No
82	Understanding the effect of impurities on H-mode pedestal structure	PE - Pedestal/SOL physics and Pedestal optimization	Giroud	CCFE	Yes	Yes	No
84	Effect of Electron Heating on Momentum & Particle Transport in Reverse Shear QH-Modes	Develop Basis to Predict and Control Rotation in ITER	Ernst	Massachusetts Institute of Technology	Yes	No	No
89	Direct identification of multi-mode plasma response for improved MHD stability control	Control and Understand Core Stability in low Torque ITER Baseline	Wang	PPPL	Yes	No	No
90	Optimize ELM suppression and quantify tearing drive with Nyquist optimized coil phase and frequency	Understand Limits and Means to Extend ELM suppression for future	Wang	PPPL	Yes	No	No
91	Achieve detachment at low/medium core density	Understand the Impact of Geometry and Fueling on Divertor, Pedestal and SOL Dynamics	Wang	GA	Yes	No	No
92	Scaling of helical core in high beta hybrid discharges	Integrated Core-Edge Steady State Solution	Wingen	ORNL	Yes	No	No
93	Scaling of helical core in high beta hybrid discharges	D&C - steady state (apart from core-edge SS thrust)	Wingen	ORNL	Yes	No	No
94	Kick off helical core with core pressure disturbance	Integrated Core-Edge Steady State Solution	Wingen	ORNL	Yes	No	No
95	Use of shape driven vertical motion to probe non-axisymmetric VDE SOL currents	Disruption Mitigation Physics	Cabrera	Columbia U	Yes	No	No
96	Kick off helical core with core pressure disturbance	D&C - steady state (apart from core-edge SS thrust)	Wingen	ORNL	Yes	No	No
97	Explore density pumpout mechanism and scaling	Understand Limits and Means to Extend ELM suppression for future	Wilcox	ORNL	Yes	No	No
98	ELM suppression with radiative/detached divertor condition by n=2 phase scan	Understand Limits and Means to Extend ELM suppression for future	Ahn	ORNL	Yes	No	No
99	Safe, low n NTV in Highly 3D Plasmas	Develop Basis to Predict and Control Rotation in ITER	Logan	Columbia U	Yes	No	No
100	Understand and control n=1 and n=2 magnetic response of low-torque ITER demonstration discharges	Control and Understand Core Stability in low Torque ITER Baseline	Hanson	Columbia U	Yes	No	No
102	Maximize performance of the low-torque ITER demonstration discharges as a function of stability	Control and Understand Core Stability in low Torque ITER Baseline	Hanson	Columbia U	Yes	No	No
104	QH-mode with zero torque throughout	Understand Limits and Means to Extend ELM suppression for future	Burrell	GA	Yes	No	No
113	Internal Plasma Response of n=2 RMP Suppressed Discharges	Understand Limits and Means to Extend ELM suppression for future	Shafer	ORNL	Yes	No	No
114	Explore Threshold and Hysteresis for RMP ELM Suppression in DIII-D	Understand Limits and Means to Extend ELM suppression for future	Cui	PPPL	Yes	No	No
118	QH-mode edge in a hybrid plasma	Integrated Core-Edge Steady State Solution	Thome	GA	Yes	No	No
119	High Performance Pedestal with SAS Divertor	Understand the Impact of Geometry and Fueling on Divertor, Pedestal and SOL Dynamics	Snyder	ORNL	Yes	No	No
120	Understanding the Role of Localized Gas Fueling in the SAS divertor	Understand the Impact of Geometry and Fueling on Divertor, Pedestal and SOL Dynamics	Hinson	ORNL	Yes	No	No
121	Impact of 3D Sheath Boundary Condition During RMP on Material Erosion and Redeposition	AMV: 3D effects	Hinson	ORNL	Yes	No	No
122	Robustness of Film Adhesion of Cold-Sprayed Materials in a Tokamak Divertor Environment	AMV: Erosion/migration	Hinson	ORNL	Yes	No	No
123	Test newly identified physical principles for RMP ELM suppression	Understand Limits and Means to Extend ELM suppression for future	Callen	U of Wisconsin	Yes	No	No
124	Explore and test models for q_95 windows in n=2 RMP ELM suppression	Understand Limits and Means to Extend ELM suppression for future	Callen	U of Wisconsin	Yes	No	No
126	Will discharges with SAS divertors have low P_threshold_L->H?	Understand the Impact of Geometry and Fueling on Divertor, Pedestal and SOL Dynamics	Stangeby	U of Toronto	Yes	No	No
128	How to interpret SAS detachment for toroidally localized gas injection?	Understand the Impact of Geometry and Fueling on Divertor, Pedestal and SOL Dynamics	Stangeby	U of Toronto	Yes	No	No
132	Imaging Three-Dimensional Flow Structures in ELM-suppressed H-mode plasmas.	Understand Limits and Means to Extend ELM suppression for future	Samuell	LLNL	Yes	No	No
133	Validation of New W I SXB Ratios Using Ultraviolet Emission for Improved Erosion Diagnosis	AMV: Erosion/migration	Ennis	Auburn U	Yes	No	No
134	W II Ultraviolet Emission for Redeposition Diagnosis	AMV: Erosion/migration	Ennis	Auburn U	Yes	No	No
135	Enhanced Hybrid Plasma Performance and Its Impact on Heat Flux Reduction	Integrated Core-Edge Steady State Solution	Petrie	GA	Yes	No	No
136	ELM energy scaling collisionality scan	PE - Pedestal/SOL physics and Pedestal optimization	Knolker	GA	Yes	No	No
137	Overdriven ELM suppression with external three-dimensional magnetic perturbations	Understand Limits and Means to Extend ELM suppression for future	Lyons	GA	Yes	No	No
138	Multi-Scale and Multi-Channel Turbulence and Transport in the ITER Baseline Scenario	BPP - turbulence and transport	Howard	Massachusetts Institute of Technology	Yes	No	No
139	ELM pacing by pellet injection in low-collisionality ITER relevant scenarios	PE - RMP and pellets (non ELM suppression thrust)	Bortolon	PPPL	Yes	No	No
140	Kinetic Ballooning Modes in H-Mode Inner Core	BPP - turbulence and transport	Ernst	Massachusetts Institute of Technology	Yes	No	No
141	Adaptive Pedestal Control for ELM Free/Mitigated Scenarios	Understand Limits and Means to Extend ELM suppression for future	Kolemen	PPPL	Yes	No	No
142	Effect of detachment on ELM pacing and mitigation by pellet injection	Understand the Impact of Geometry and Fueling on Divertor, Pedestal and SOL Dynamics	Bortolon	PPPL	Yes	No	No
143	Expose UFG W to DIII-D discharges to demonstrate improved properties useful in future PFCs	AMV: Erosion/migration	Barton	Sandia National Lab	Yes	No	No
144	Validation of SAS Design Concept	Understand the Impact of Geometry and Fueling on Divertor, Pedestal and SOL Dynamics	Guo	GA	Yes	No	No
145	Stabilization of ELMs by counter beam injection	PE - Pedestal/SOL physics and Pedestal optimization	Bortolon	PPPL	Yes	No	No
149	Role of predator-prey cycles in maintaining the transport in EHO-free wide pedestal QH-mode.	Understand Limits and Means to Extend ELM suppression for future	Kumar Barada	UCLA	Yes	No	No
150	Test displacement damage recovery and erosion in UFG-W	AMV: Erosion/migration	Barton	Sandia National Lab	Yes	No	No
151	Minimize L-H transition power threshold with n=2,n=3 RMP	BPP - L-H transition	Schmitz	UCLA	Yes	No	No
153	Main ion poloidal flow and hysteresis across the L-H and H-L transitions	BPP - L-H transition	Schmitz	UCLA	Yes	No	No
154	Mitigate L-H transition threshold increase via LFS/HFS pellet injection	BPP - L-H transition	Schmitz	UCLA	Yes	No	No
157	Characterizing the Effects of Impurity Injection on Instabilities Driving ECH Density Pumpout	BPP - turbulence and transport	Truong	Sandia National Lab	Yes	No	No
166	Direct measurement of core-localized MHD via toroidally separated interferometers	Control and Understand Core Stability in low Torque ITER Baseline	Davis	Massachusetts Institute of Technology	Yes	No	No
167	Direct measurement of core-localized MHD via toroidally separated interferometers	BPP - Energetic Particle Physics	Davis	Massachusetts Institute of Technology	Yes	No	No
170	Establishing the relationship between core torque, velocity profiles near the pedestal, and far-SOL flows.	Address Critical Detachment Physics Models	Samuell	LLNL	Yes	No	No
171	Extending CIS to the pedestal and beyond.	PE - Pedestal/SOL physics and Pedestal optimization	Samuell	LLNL	Yes	No	No
172	Quantifying Carbon Entrainment in H-mode plasmas	Address Critical Detachment Physics Models	Samuell	LLNL	Yes	No	No
176	ELM-resolved fuel recycling on pre-conditioned C/metal surfaces	AMV: Erosion/migration	Bykov	GA	Yes	No	No
177	Non thermal contribution to edge radiation in the mid IR range in different plasma scenarios	General Physics	Bykov	GA	Yes	No	No
178	Impact of impurity detachment on pedestal	Understand the Impact of Geometry and Fueling on Divertor, Pedestal and SOL Dynamics	Wang	GA	Yes	No	No
180	Solving the challenges facing modeling of divertor detachment	Address Critical Detachment Physics Models	McLean	LLNL	Yes	No	No
182	Understand return of ELMs in low torque QH-mode at low q95	Understand Limits and Means to Extend ELM suppression for future	Garofalo	GA	Yes	No	No
185	Improved access and operating space for the low-torque wide-pedestal QH	Understand Limits and Means to Extend ELM suppression for future	Chen	GA	Yes	No	No
189	Physics basis for startup of a high fNI, high betaN discharge with uniform loop voltage profile	D&C - steady state (apart from core-edge SS thrust)	Ferron	GA	Yes	No	No
194	Physics of the high li scenario at more reactor-relevant parameters	D&C - steady state (apart from core-edge SS thrust)	Ferron	GA	Yes	No	No
196	Control of Radial Electric Field with the Snowflake Divertor Configuration in QH-mode	Torkil Jensen Award	Wilks	Massachusetts Institute of Technology	Yes	No	No
203	Residual stress driven rotation peaking	Develop Basis to Predict and Control Rotation in ITER	Grierson	GA	Yes	No	No
204	Infer Te at SAS target from D_αlpha/I_sat, D_beta/I_sat ratios	Understand the Impact of Geometry and Fueling on Divertor, Pedestal and SOL Dynamics	Stangeby	U of Toronto	Yes	No	No
205	W-pellet injection to calibrate the Deposition Probe	AMV: Erosion/migration	Stangeby	U of Toronto	Yes	No	No
206	Precise measurement of the concentricity of the strike point in SAS	Understand the Impact of Geometry and Fueling on Divertor, Pedestal and SOL Dynamics	Stangeby	U of Toronto	Yes	No	No
218	Investigating Flux Pumping with ELM Suppression in hybrids	D&C - steady state (apart from core-edge SS thrust)	Taylor	Oak Ridge Associated Universities	Yes	No	No
219	Investigating Flux Pumping in Hybrids with Applied n=2 Fields	D&C - steady state (apart from core-edge SS thrust)	Taylor	Oak Ridge Associated Universities	Yes	No	No
221	AE Critical Gradient Study in H-Mode (Steady-State Scenario)	D&C - steady state (apart from core-edge SS thrust)	Collins	ORNL	Yes	No	No
224	Quantify relationship between SOL sources of fuel/impurities and pedestal profiles/transport	Understand the Impact of Geometry and Fueling on Divertor, Pedestal and SOL Dynamics	Groebner	GA	Yes	No	No
225	Improved Access to and Higher Performance of RMP ELM Suppressed Plasmas With Closed Divertor	Understand the Impact of Geometry and Fueling on Divertor, Pedestal and SOL Dynamics	Nazikian	GA	Yes	No	Yes
229	Measure cross phase of density, ion temperature, and radial flow fluctuations associated with EHO	Understand Limits and Means to Extend ELM suppression for future	Garofalo	GA	Yes	No	No
230	Exploring Hyteresis and Threshold Required for RMP ELM Suppression in DIII-D ISS Plasmas	Understand Limits and Means to Extend ELM suppression for future	Nazikian	GA	Yes	No	Yes
232	Edge momentum pinch: density scale length and strength of ITG	Develop Basis to Predict and Control Rotation in ITER	Grierson	GA	Yes	No	No
234	Detachment of a lithiated divertor strike point	Understand the Impact of Geometry and Fueling on Divertor, Pedestal and SOL Dynamics	Bortolon	PPPL	Yes	No	No
238	Does intrinsic stochasticity due to internal MHD drive intrinsic rotation?	Develop Basis to Predict and Control Rotation in ITER	Tobias	Los Alamos National Laboratory	Yes	No	No
240	RMP ELM suppression of high q_min plasmas	Integrated Core-Edge Steady State Solution	Victor	LLNL	Yes	No	No
242	Low-field ELM-suppression with edge ECCD	Understand Limits and Means to Extend ELM suppression for future	Lyons	GA	Yes	No	No
243	Validation of SOLPS-ITER modeling of heat flux width	IBM: Core-edge integration	Meier	Zap Energy Inc.	Yes	No	No
247	Test nonlinear theory of EHO	Understand Limits and Means to Extend ELM suppression for future	Garofalo	GA	Yes	No	No
249	Optimization and improvement of energy confinement of RMP ELM suppressed plasma	PE - RMP and pellets (non ELM suppression thrust)	Sung	KAIST	Yes	No	No
260	Mitigation of fast ion effects in advanced scenario discharges	Integrated Core-Edge Steady State Solution	Ferron	GA	Yes	No	No
261	Effect of orbit modification on intrinsic rotation	Develop Basis to Predict and Control Rotation in ITER	Nazikian	PPPL	Yes	No	No
263	Exploring Dependence of Core Confinement on the RMP Amplitude and Edge Te/Ti	Integrated Core-Edge Steady State Solution	Cui	PPPL	Yes	No	No
266	Modulated ECH Driven Transport During RMP	BPP - turbulence and transport	Brookman	GA	Yes	No	No
269	Develop, test and exploit new density feedback algorithm with dynamic target control	Scenarios and Transport	Garofalo	GA	Yes	No	No
270	Investigating Flux Pumping with ELM Suppression in hybrids	Integrated Core-Edge Steady State Solution	Taylor	Oak Ridge Associated Universities	Yes	No	No
271	Investigating Flux Pumping in Hybrids with Applied n=2 Fields	Integrated Core-Edge Steady State Solution	Taylor	Oak Ridge Associated Universities	Yes	No	No
273	Use edge ECCD to achieve ELM suppression with little-to-no 3D field	Torkil Jensen Award	Lyons	GA	Yes	No	No
274	Understand and Optimze n=2 Plasma Response for ELM Suppression in High Beta Regimes	Integrated Core-Edge Steady State Solution	Nazikian	GA	Yes	No	No
275	ELM-suppressed Hybrid Plasmas with Radiating Divertor	Integrated Core-Edge Steady State Solution	Thome	GA	Yes	No	No
276	Core Transport Dependence on Magnetic Shear in Hybrid Plasmas	Integrated Core-Edge Steady State Solution	Thome	GA	Yes	No	No
283	Develop low-torque access to QH-mode for ITER Baseline	Control and Understand Core Stability in low Torque ITER Baseline	Garofalo	GA	Yes	No	No
284	ECCD and ECH for IBS with real-time modulation control	Control and Understand Core Stability in low Torque ITER Baseline	Kolemen	PPPL	Yes	No	No
299	Role of predator-prey cycles in maintaining the transport in EHO-free wide pedestal QH-mode.	PE - QH mode (non ELM suppression thrust)	Kumar Barada	UCLA	Yes	No	No
316	Intrinsic Rotation and Core Transport in Wide Pedestal QH-Mode Approaching Burning Plasma Conditions	Develop Basis to Predict and Control Rotation in ITER	Ernst	Massachusetts Institute of Technology	Yes	No	No
317	Demonstrating Plasma Performance and Technology to Increase Fusion Yield with Spin Polarized Fuel	Torkil Jensen Award	Pace	GA	Yes	No	No
326	Effect of damaged tungsten on operations	AMV: Erosion/migration	De Temmerman	ITER Organization	Yes	Yes	Yes
327	Droplet ejection and vapour shielding during transient melting of Al	AMV: Erosion/migration	De Temmerman	ITER Organization	Yes	No	Yes

Click here for internal detailed listing Below is a public summary listing:

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