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

Chen, B.; Xu, X. Q.; Xia, T. Y.; Li, N. M.; Porkolab, M.; Edlund, E.; LaBombard, B.; Terry, J.; Hughes, J. W.; Ye, M. Y.; Wan, Y. X.

doi:10.1063/1.5016582

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

Authors:

Chen, B. ^[1];

^[2];

^[3]; Li, N. M. ^[4]; Porkolab, M. ^[5]; Edlund, E. ^[5]; LaBombard, B. ^[5];

^[5];

^[5]; Ye, M. Y. ^[6]; Wan, Y. X. ^[6]

Univ. of Science and Technology of China, Hefei (China); Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Chinese Academy of Sciences (CAS), Hefei (China)
Dalian Univ. of Technology (China)
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Univ. of Science and Technology of China, Hefei (China)

Publication Date:: Wed May 09 00:00:00 EDT 2018

Research Org.:: 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 Org.:: USDOE Office of Science (SC), Fusion Energy Sciences (FES); National Natural Science Foundation of China (NSFC); USDOE National Nuclear Security Administration (NNSA)

OSTI Identifier:: 1543851

Alternate Identifier(s):: OSTI ID: 1436555; OSTI ID: 1566016

Report Number(s):: LLNL-JRNL-742019
Journal ID: ISSN 1070-664X

Grant/Contract Number:: FC02-99ER54512; SC0014264; AC52-7NA27344; AC52-07NA27344

Resource Type:: Accepted Manuscript

Journal Name:: Physics of Plasmas

Additional Journal Information:: Journal Volume: 25; Journal Issue: 5; Journal ID: ISSN 1070-664X

Publisher:: American Institute of Physics (AIP)

Country of Publication:: United States

Language:: English

Subject:: 70 PLASMA PHYSICS AND FUSION TECHNOLOGY

Citation Formats


                    Chen, B., Xu, X. Q., Xia, T. Y., Li, N. M., Porkolab, M., Edlund, E., LaBombard, B., Terry, J., Hughes, J. W., Ye, M. Y., and Wan, Y. X. Progress towards modeling tokamak boundary plasma turbulence and understanding its role in setting divertor heat flux widths.  United States: N. p., 2018. 
Web.  doi:10.1063/1.5016582.

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                    Chen, B., Xu, X. Q., Xia, T. Y., Li, N. M., Porkolab, M., Edlund, E., LaBombard, B., Terry, J., Hughes, J. W., Ye, M. Y., & Wan, Y. X. Progress towards modeling tokamak boundary plasma turbulence and understanding its role in setting divertor heat flux widths.  United States.  https://doi.org/10.1063/1.5016582

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                    Chen, B., Xu, X. Q., Xia, T. Y., Li, N. M., Porkolab, M., Edlund, E., LaBombard, B., Terry, J., Hughes, J. W., Ye, M. Y., and Wan, Y. X. Wed .  
"Progress towards modeling tokamak boundary plasma turbulence and understanding its role in setting divertor heat flux widths".  United States.  https://doi.org/10.1063/1.5016582.  https://www.osti.gov/servlets/purl/1543851.

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@article{osti_1543851,

  title        = {Progress towards modeling tokamak boundary plasma turbulence and understanding its role in setting divertor heat flux widths},

  author       = {Chen, B. and Xu, X. Q. and Xia, T. Y. and Li, N. M. and Porkolab, M. and Edlund, E. and LaBombard, B. and Terry, J. and Hughes, J. W. and Ye, M. Y. and Wan, Y. X.},

  abstractNote = {},

  doi          = {10.1063/1.5016582},

  journal      = {Physics of Plasmas},

  number       = 5,

  volume       = 25,

  place        = {United States},

  year         = {Wed May 09 00:00:00 EDT 2018},

  month        = {Wed May 09 00:00:00 EDT 2018}

}

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Works referenced in this record:

Simulation of density fluctuations before the L-H transition for Hydrogen and Deuterium plasmas in the DIII-D tokamak using the BOUT++ code
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Divertor heat flux scaling with heating power and plasma current in H-mode discharges in the national spherical torus experiment
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Divertor heat flux simulations in ELMy H-mode discharges of EAST
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Works referencing / citing this record:

Simulations of divertor heat flux width using transport code with cross-field drifts under the BOUT++ framework
journal, January 2020

Li, N. M.; Xu, X. Q.; Hughes, J. W.
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Prediction of divertor heat flux width for ITER using BOUT++ transport and turbulence module
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Nuclear Fusion, Vol. 59, Issue 4
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The impact of edge radial electric fields on edge–scrape-off layer coupling in the TJ-II stellarator
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Nuclear Fusion, Vol. 60, Issue 1
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Nonlinear simulation and energy analysis of the EAST coherent mode
journal, January 2020

Huang, Y. Q.; Xia, T. Y.; Xu, X. Q.
Nuclear Fusion, Vol. 60, Issue 2
DOI: 10.1088/1741-4326/ab5e73

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

Citation Formats

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

Influence of equilibrium shear flow on peeling-ballooning instability and edge localized mode crash journal, September 2012

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

Edge localized modes (ELMs) journal, February 1996

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

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

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

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

Influence of equilibrium shear flow on peeling-ballooning instability and edge localized mode crash
journal, September 2012

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

Edge localized modes (ELMs)
journal, February 1996

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

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

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