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Title: Progress towards modeling tokamak boundary plasma turbulence and understanding its role in setting divertor heat flux widths

Journal Article · · Physics of Plasmas
DOI:https://doi.org/10.1063/1.5016582· OSTI ID:1543851
 [1]; ORCiD logo [2]; ORCiD logo [3];  [4];  [5];  [5];  [5]; ORCiD logo [5]; ORCiD logo [5];  [6];  [6]
  1. Univ. of Science and Technology of China, Hefei (China); Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  2. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  3. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Chinese Academy of Sciences (CAS), Hefei (China)
  4. Dalian Univ. of Technology (China)
  5. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
  6. Univ. of Science and Technology of China, Hefei (China)

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC); Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States); Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Fusion Energy Sciences (FES); National Natural Science Foundation of China (NSFC); USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
FC02-99ER54512; SC0014264; AC52-7NA27344; AC52-07NA27344
OSTI ID:
1543851
Alternate ID(s):
OSTI ID: 1436555; OSTI ID: 1566016
Report Number(s):
LLNL-JRNL-742019
Journal Information:
Physics of Plasmas, Vol. 25, Issue 5; ISSN 1070-664X
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 18 works
Citation information provided by
Web of Science

References (45)

Simulation of density fluctuations before the L-H transition for Hydrogen and Deuterium plasmas in the DIII-D tokamak using the BOUT++ code journal January 2018
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20 years of research on the Alcator C-Mod tokamaka) journal November 2014
Calculation of two-dimension radial electric field in boundary plasmas by using BOUT++ journal July 2018
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Experimental and Theoretical Study of Quasicoherent Fluctuations in Enhanced D α Plasmas in the Alcator C-Mod Tokamak journal November 2002
Scaling of divertor power footprint width in RF-heated type-III ELMy H-mode on the EAST superconducting tokamak journal November 2014
Parallel heat flux limits in the tokamak scrape-off layer journal October 2005
Drift wave instability near a magnetic separatrix journal May 2002
The quasi-coherent signature of enhanced D α H-mode in Alcator C-Mod journal March 2001
Edge dimensionless identity experiment on DIII-D and Alcator C -Mod journal March 2003
Inter-ELM Power Decay Length for JET and ASDEX Upgrade: Measurement and Comparison with Heuristic Drift-Based Model journal November 2011
Edge turbulence and divertor heat flux width simulations of Alcator C-Mod discharges using an electromagnetic two-fluid model journal August 2017
Divertor heat flux scaling with heating power and plasma current in H-mode discharges in the national spherical torus experiment journal June 2007
Modeling of tokamak divertor plasma for weakly collisional parallel electron transport journal August 2015
Gyrokinetic projection of the divertor heat-flux width from present tokamaks to ITER journal August 2017
Divertor heat flux simulations in ELMy H-mode discharges of EAST journal August 2017
Radial localization of edge modes in Alcator C-Mod pedestals using optical diagnostics journal January 2017
Multi-parameter scaling of divertor power load profiles in D, H and He plasmas on JET and implications for ITER journal July 2011
Internal transport barrier on q =3 surface and poloidal plasma spin up in JT-60U high- β p discharges journal June 1994
Heuristic drift-based model of the power scrape-off width in low-gas-puff H-mode tokamaks journal December 2011
Six-field two-fluid simulations of peeling–ballooning modes using BOUT++ journal May 2013
New insights on boundary plasma turbulence and the quasi-coherent mode in Alcator C-Mod using a Mirror Langmuir Probe journal May 2014
Impact of E × B flow shear on turbulence and resulting power fall-off width in H-mode plasmas in experimental advanced superconducting tokamak journal June 2015
Scaling of the tokamak near the scrape-off layer H-mode power width and implications for ITER journal August 2013
Scaling of the power exhaust channel in Alcator C-Mod journal May 2011
Quiescent H-Mode Plasmas with Strong Edge Rotation in the Cocurrent Direction journal April 2009
Confinement in ASDEX with neutral beam and RF heating journal January 1986
Excitation of edge plasma instabilities and their role in pedestal saturation in the HL-2A tokamak journal April 2016
Analysis of a multi-machine database on divertor heat fluxes journal May 2012
Nonlinear fluid simulation of particle and heat fluxes during burst of ELMs on DIII-D with BOUT++  code journal September 2015
Far-infrared polarimetry diagnostic for measurement of internal magnetic field dynamics and fluctuations in the C-MOD Tokamak (invited) journal October 2012
Low-to-high confinement transition simulations in divertor geometry journal May 2000
The Plasma Boundary of Magnetic Fusion Devices book January 2000
Impact of E × B shear flow on low-n MHD instabilities journal May 2017
Edge-localized modes - physics and theory journal May 1998
New Edge Coherent Mode Providing Continuous Transport in Long-Pulse H-mode Plasmas journal May 2014
Effects of E×B velocity shear and magnetic shear on turbulence and transport in magnetic confinement devices journal May 1997
Experimental studies of edge turbulence and confinement in Alcator C-Mod journal May 2010
Observations and empirical scalings of the high-confinement mode pedestal on Alcator C-Mod journal July 2002
Impact of inward turbulence spreading on energy loss of edge-localized modesa) journal May 2015
Regime of Improved Confinement and High Beta in Neutral-Beam-Heated Divertor Discharges of the ASDEX Tokamak journal November 1982
The Plasma Boundary of Magnetic Fusion Devices book January 2000
The Plasma Boundary of Magnetic Fusion Devices journal January 2001
Gyrokinetic projection of the divertor heat-flux width from present tokamaks to ITER text January 2017

Cited By (4)

Simulations of divertor heat flux width using transport code with cross-field drifts under the BOUT++ framework journal January 2020
Prediction of divertor heat flux width for ITER using BOUT++ transport and turbulence module journal February 2019
The impact of edge radial electric fields on edge–scrape-off layer coupling in the TJ-II stellarator journal November 2019
Nonlinear simulation and energy analysis of the EAST coherent mode journal January 2020