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Title: Role of density gradient driven trapped electron mode turbulence in the H-mode inner core with electron heating

Journal Article · · Physics of Plasmas
DOI:https://doi.org/10.1063/1.4948723· OSTI ID:1372301
 [1];  [2];  [3];  [4];  [5];  [6];  [3];  [7];  [2];  [1];  [8];  [2];  [1];  [4];  [4];  [9];  [4]
  1. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States). Plasma Science and Fusion Center
  2. General Atomics, San Diego, CA (United States)
  3. Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States)
  4. Univ. of California, Los Angeles, CA (United States)
  5. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  6. Fourth State Research, Austin, TX (United States)
  7. Univ. of California, San Diego, CA (United States)
  8. Univ. of Wisconsin, Madison, WI (United States)
  9. Univ. of Colorado, Boulder, CO (United States)

Research Organization:
General Atomics, San Diego, CA (United States); Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Fusion Energy Sciences (FES)
Contributing Organization:
the DIII-D Team
Grant/Contract Number:
FC02-04ER54698; FC02-08ER54966; AC02-09CH11466; FG02-08ER54984; SC-0006957; FG02-08ER54999; AC02-05CH11231; AC52-07NA27344
OSTI ID:
1372301
Alternate ID(s):
OSTI ID: 1252336; OSTI ID: 1469449
Report Number(s):
LLNL-JRNL-747552
Journal Information:
Physics of Plasmas, Vol. 23, Issue 5; Related Information: D. R. Ernst, K. H. Burrell, W. Guttenfelder, T. L. Rhodes, A. M. Dimits, R. Bravenec, B. A. Grierson, C. Holland, J. Lohr, A. Marinoni, G. R. McKee, C. C. Petty, J. C. Rost, L. Schmitz, G. Wang, S. Zemedkun, L. Zeng, and the DIII-D Team; ISSN 1070-664X
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 28 works
Citation information provided by
Web of Science

References (67)

Measurements of the cross-phase angle between density and electron temperature fluctuations and comparison with gyrokinetic simulations journal May 2010
Performance and data analysis aspects of the new DIII-D monostatic profile reflectometer system journal November 2014
Collisionality dependence of density peaking in quasilinear gyrokinetic calculations journal November 2005
Equilibrium analysis of current profiles in tokamaks journal June 1990
An Eulerian gyrokinetic-Maxwell solver journal April 2003
Spatially resolved measurements of two-dimensional turbulent structures in DIII-D plasmas journal December 2015
Experimental characterization of multiscale and multifield turbulence as a critical gradient threshold is surpassed in the DIII-D tokamak journal May 2013
A multichannel, frequency-modulated, tunable Doppler backscattering and reflectometry system journal August 2009
Heating of toroidal plasmas by neutral injection journal April 1972
Electron temperature gradient driven turbulence journal May 2000
A review of ECRH experiments journal September 1986
Fusion Heating in a Deuterium-Tritium Tokamak Plasma journal April 1996
Reduced electron thermal transport in low collisionality H-mode plasmas in DIII-D and the importance of TEM/ETG-scale turbulence journal January 2012
Particle pinch and collisionality in gyrokinetic simulations of tokamak plasma turbulence journal June 2009
An Eulerian method for the solution of the multi-species drift-kinetic equation journal June 2009
Detection of zonal flow spectra in DIII-D by a dual-channel Doppler backscattering system journal October 2008
Synthetic Doppler Reflectometer Diagnostic for Nonlinear Global Gyrokinetic Simulations journal May 2010
Testing gyrokinetic simulations of electron turbulence journal June 2012
Unifying Role of Radial Electric Field Shear in the Confinement Trends of TFTR Supershot Plasmas journal September 1998
Electron Temperature Gradient Turbulence journal December 2000
Nonlinear Stabilization of Tokamak Microturbulence by Fast Ions journal October 2013
Impurity confinement and transport in high confinement regimes without edge localized modes on DIII-Da) journal May 2015
Core turbulence behavior moving from ion-temperature-gradient regime towards trapped-electron-mode regime in the ASDEX Upgrade tokamak and comparison with gyrokinetic simulation journal March 2015
Application of ECH to the Study of Transport in ITER Baseline Scenario-like Discharges in DIII-D journal January 2015
Measurements of core electron temperature and density fluctuations in DIII-D and comparison to nonlinear gyrokinetic simulations journal May 2008
Edge pedestal control in quiescent H-mode discharges in DIII-D using co-plus counter-neutral beam injection journal July 2009
Role of trapped electron mode turbulence in internal transport barrier control in the Alcator C-Mod Tokamak journal May 2004
Gyrokinetic simulation of collisionless trapped-electron mode turbulence journal July 2005
Quasioptical design of integrated Doppler backscattering and correlation electron cyclotron emission systems on the DIII-D tokamak journal October 2010
Quasi-coherent modes and electron-driven turbulence journal November 2014
Quiescent Double Barrier Regime in the DIII-D Tokamak journal May 2001
Effects of E×B velocity shear and magnetic shear on turbulence and transport in magnetic confinement devices journal May 1997
The quiescent double barrier regime in the DIII-D tokamak journal November 2001
Discriminating the trapped electron modes contribution in density fluctuation spectra journal August 2015
Gyrokinetic modelling of electron and boron density profiles of H-mode plasmas in ASDEX Upgrade journal February 2011
Chapter 2: Plasma confinement and transport journal June 2007
Electron profile stiffness and critical gradient studies journal August 2012
Multispecies density peaking in gyrokinetic turbulence simulations of low collisionality Alcator C-Mod plasmas journal June 2015
L-mode validation studies of gyrokinetic turbulence simulations via multiscale and multifield turbulence measurements on the DIII-D tokamak journal May 2011
Multiscale Investigations of Drift-Wave Turbulence and Plasma Flows: Measurements and Total-Distribution-Function Gyrokinetic Simulations journal October 2012
Dependence of the density shape on the heat flux profile in ASDEX Upgrade high density H modes journal November 2001
Observation of a Critical Gradient Threshold for Electron Temperature Fluctuations in the DIII-D Tokamak journal January 2013
Progress in GYRO validation studies of DIII-D H-mode plasmas journal October 2012
The effect of plasma shaping on turbulent transport and E×B shear quenching in nonlinear gyrokinetic simulations journal October 2007
2D full wave modeling for a synthetic Doppler backscattering diagnostic journal October 2012
New techniques for calculating heat and particle source rates due to neutral beam injection in axisymmetric tokamaks journal September 1981
Turbulent fluxes and entropy production rate journal August 2005
Experimental Study of Trapped-Electron-Mode Properties in Tokamaks: Threshold and Stabilization by Collisions journal August 2005
High-beta steady-state research and future directions on the Japan Atomic Energy Research Institute Tokamak-60 Upgrade and the Japan Atomic Energy Research Institute Fusion Torus-2 Modified journal April 2004
Turbulence in the TORE SUPRA Tokamak: Measurements and Validation of Nonlinear Simulations journal April 2009
Fidelity of reduced and realistic electron mass ratio multi-scale gyrokinetic simulations of tokamak discharges journal April 2015
Understanding of the density profile shape, electron heat transport and internal transport barriers observed in ASDEX Upgrade journal August 2005
Role of zonal flows in trapped electron mode turbulence through nonlinear gyrokinetic particle and continuum simulation journal May 2009
Quiescent double barrier high-confinement mode plasmas in the DIII-D tokamak journal May 2001
Poloidal mode ballooning of trapped electron instability journal January 1979
Gyrokinetic studies of core turbulence features in ASDEX Upgrade H-mode plasmas journal April 2015
Gyrokinetic Fokker-Planck Collision Operator journal May 2011
Density and temperature profile modifications with electron cyclotron power injection in quiescent double barrier discharges on DIII-D journal April 2006
Particle transport in tokamak plasmas, theory and experiment journal November 2009
Kinetic calculation of neoclassical transport including self-consistent electron and impurity dynamics journal July 2008
Quantitative predictions of tokamak energy confinement from first‐principles simulations with kinetic effects journal June 1995
Gyrokinetic δf particle simulation of trapped electron mode driven turbulence journal August 2007
Nonlinear electromagnetic gyrokinetic equation for plasmas with large mean flows journal July 1998
Experimental test of the neoclassical theory of impurity poloidal rotation in tokamaks journal May 2006
Density response to central electron heating: theoretical investigations and experimental observations in ASDEX Upgrade journal June 2004
Particle transport with high power central ECH and ECCD in TCV journal September 2001
An Empirical Approach to Tokamak Transport book January 1979

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Multi-scale transport in the DIII-D ITER baseline scenario with direct electron heating and projection to ITER journal February 2018
Fast synthetic X-mode Doppler reflectometry diagnostics for the full-f global gyrokinetic modeling of the FT-2 tokamak journal August 2018
Influence of the probing wave phase modulation on the X-mode radial correlation Doppler reflectometry performance in the FT-2 tokamak journal November 2018
Turbulent mixing and transition criteria of flows induced by hydrodynamic instabilities journal August 2019
VITALS: A Surrogate-Based Optimization Framework for the Accelerated Validation of Plasma Transport Codes journal February 2018
Comparison between measured and predicted turbulence frequency spectra in ITG and TEM regimes journal May 2017
The effect of lower hybrid waves on JET plasma rotation journal December 2016
Bringing global gyrokinetic turbulence simulations to the transport timescale using a multiscale approach journal March 2018
Bringing global gyrokinetic turbulence simulations to the transport timescale using a multiscale approach text January 2018