Parallel transport modeling of linear divertor simulators with fundamental ion cyclotron heating *

Kumar, A.; Caneses-Marin, J. F.; Lau, C.; Goulding, R.

doi:10.1088/1741-4326/acb160

Title: Parallel transport modeling of linear divertor simulators with fundamental ion cyclotron heating ^*

Abstract

Abstract The Material Plasma Exposure eXperiment (MPEX) is a steady state linear device with the goal to perform plasma material interaction (PMI) studies at future fusion reactor relevant conditions. A prototype of MPEX referred as ‘Proto-MPEX’ is designed to carry out research and development related to source, heating and transport concepts on the planned full MPEX device. The auxiliary heating schemes in MPEX are based on cyclotron resonance heating with radio frequency (RF) waves. Ion cyclotron heating (ICH) and electron cyclotron heating (ECH) in MPEX are used to independently heat the ions and electrons and provide fusion divertor conditions ranging from sheath-limited to fully detached divertor regimes at a material target. A Hybrid Particle-In-Cell code- PICOS++ is developed and applied to understand the plasma parallel transport during ICH in MPEX/Proto-MPEX to the target. With this tool, evolution of the distribution function of MPEX/Proto-MPEX ions is modeled in the presence of (1) Coulomb collisions, (2) volumetric particle sources and (3) quasi-linear RF-based ICH. The code is benchmarked against experimental data from Proto-MPEX and simulation data from B2.5 EIRENE. The experimental observation of “density-drop” near the target in Proto-MPEX and MPEX during ICH is demonstrated and explained via physics-based arguments using PICOS++more »« less

Authors:

;

Publication Date:: Wed Jan 25 00:00:00 EST 2023

Research Org.:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Fusion Energy Sciences (FES)

OSTI Identifier:: 1922128

Alternate Identifier(s):: OSTI ID: 1908285; OSTI ID: 1923188

Grant/Contract Number:: AC05-00OR22725

Resource Type:: Published Article

Journal Name:: Nuclear Fusion

Additional Journal Information:: Journal Name: Nuclear Fusion Journal Volume: 63 Journal Issue: 3; Journal ID: ISSN 0029-5515

Publisher:: IOP Publishing

Country of Publication:: IAEA

Language:: English

Subject:: 70 PLASMA PHYSICS AND FUSION TECHNOLOGY

Citation Formats


                    Kumar, A., Caneses-Marin, J. F., Lau, C., and Goulding, R. Parallel transport modeling of linear divertor simulators with fundamental ion cyclotron heating *.  IAEA: N. p., 2023. 
Web.  doi:10.1088/1741-4326/acb160.

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                    Kumar, A., Caneses-Marin, J. F., Lau, C., & Goulding, R. Parallel transport modeling of linear divertor simulators with fundamental ion cyclotron heating *.  IAEA.  https://doi.org/10.1088/1741-4326/acb160

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                    Kumar, A., Caneses-Marin, J. F., Lau, C., and Goulding, R. Wed .  
"Parallel transport modeling of linear divertor simulators with fundamental ion cyclotron heating *".  IAEA.  https://doi.org/10.1088/1741-4326/acb160.

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@article{osti_1922128,

  title        = {Parallel transport modeling of linear divertor simulators with fundamental ion cyclotron heating *},

  author       = {Kumar, A. and Caneses-Marin, J. F. and Lau, C. and Goulding, R.},

  abstractNote = {Abstract The Material Plasma Exposure eXperiment (MPEX) is a steady state linear device with the goal to perform plasma material interaction (PMI) studies at future fusion reactor relevant conditions. A prototype of MPEX referred as ‘Proto-MPEX’ is designed to carry out research and development related to source, heating and transport concepts on the planned full MPEX device. The auxiliary heating schemes in MPEX are based on cyclotron resonance heating with radio frequency (RF) waves. Ion cyclotron heating (ICH) and electron cyclotron heating (ECH) in MPEX are used to independently heat the ions and electrons and provide fusion divertor conditions ranging from sheath-limited to fully detached divertor regimes at a material target. A Hybrid Particle-In-Cell code- PICOS++ is developed and applied to understand the plasma parallel transport during ICH in MPEX/Proto-MPEX to the target. With this tool, evolution of the distribution function of MPEX/Proto-MPEX ions is modeled in the presence of (1) Coulomb collisions, (2) volumetric particle sources and (3) quasi-linear RF-based ICH. The code is benchmarked against experimental data from Proto-MPEX and simulation data from B2.5 EIRENE. The experimental observation of “density-drop” near the target in Proto-MPEX and MPEX during ICH is demonstrated and explained via physics-based arguments using PICOS++ modeling. In fact, the density drops at the target during ICH in Proto-MPEX/MPEX to conserve the flux and to compensate for the increased flow during ICH. Furthermore, sensitivity scans of various plasma parameters with respect to ICH power are performed for MPEX to investigate its role on plasma transport and particle and energy fluxes at the target.},

  doi          = {10.1088/1741-4326/acb160},

  journal      = {Nuclear Fusion},

  number       = 3,

  volume       = 63,

  place        = {IAEA},

  year         = {Wed Jan 25 00:00:00 EST 2023},

  month        = {Wed Jan 25 00:00:00 EST 2023}

}

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Title: Parallel transport modeling of linear divertor simulators with fundamental ion cyclotron heating *

Abstract

Citation Formats

High-Resolution Hybrid Simulations of Kinetic Plasma Turbulence at Proton Scales journal, October 2015

First M87 Event Horizon Telescope Results. IV. Imaging the Central Supermassive Black Hole journal, April 2019

Divertor plasma detachment journal, May 2016

Mirror ratio scaling of axial confinement of a mirror-trapped collisional plasma journal, January 1986

Power transport efficiency during O-X-B 2nd harmonic electron cyclotron heating in a helicon linear plasma device 1 journal, December 2021

Linear and nonlinear particle-magnetohydrodynamic simulations of the toroidal Alfvén eigenmode journal, May 1998

Current Advance Method and Cyclic Leapfrog for 2D Multispecies Hybrid Plasma Simulations journal, May 1994

Experimental Investigation of the Effects of Magnetic Mirrors on Plasma Transport in the Prototype Material Plasma Exposure Experiment journal, June 2020

ICRF Heating and Plasma Acceleration with an Open Magnetic Field for the Advanced Space Thruster journal, February 2007

Velocity Power Spectra from Cross-Field Turbulence in the Proton Kinetic Regime journal, February 2012

Particle-in-cell charged-particle simulations, plus Monte Carlo collisions with neutral atoms, PIC-MCC journal, April 1991

Results of Ion Cyclotron Heating Experiments on Proto-MPEX Utilizing a Movable Stainless Steel Target journal, June 2019

Fokker-Planck Equation for an Inverse-Square Force journal, July 1957

Particle Rezoning for Multidimensional Kinetic Particle-In-Cell Simulations journal, September 2002

Kinetic simulations of collision-less plasmas in open magnetic geometries * journal, January 2022

Utilization of O-X-B mode conversion of 28 GHz microwaves to heat core electrons in the upgraded Proto-MPEX journal, May 2019

Kinetic effects in edge plasma: kinetic modeling for edge plasma and detached divertor journal, February 2017

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The Materials Plasma Exposure eXperiment: Status of the Physics Basis Together With the Conceptual Design and Plans Forward journal, June 2020

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Ion Fluxes and Neutral Gas Ionization Efficiency of the 100-kW Light-Ion Helicon Plasma Source Concept for the Material Plasma Exposure eXperiment journal, June 2019

The Development of the Material Plasma Exposure Experiment journal, December 2016

Electromagnetic ion cyclotron resonance heating in the VASIMR journal, July 2008

Ion species stratification within strong shocks in two-ion plasmas journal, March 2018

Kinetic simulation of a collisional shock wave in a plasma journal, October 1991

Hybrid simulation codes with application to shocks and upstream waves journal, October 1985

Helicon normal modes in Proto-MPEX journal, May 2018

The Material Plasma Exposure eXperiment: Mission and conceptual design journal, July 2020

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Effect of turbulence on theta pinch modeling by hybrid numerical models journal, January 1977

Integrated modeling for ion cyclotron resonant heating in toroidal systems journal, April 2011

Kinetic modelling of impurity transport in detached plasma for integrated divertor simulation with SONIC (SOLDOR/NEUT2D/IMPMC/EDDY) journal, May 2009

A fluid–kinetic hybrid electron model for electromagnetic simulations journal, May 2001

A binary collision model for plasma simulation with a particle code journal, November 1977

Radio-frequency-driven radial current and plasma rotation in a tokamak journal, February 2002

Evidence of electron heating at different radial locations on Proto-MPEX journal, March 2019

Hybrid particle-in-cell simulations of laser-driven plasma interpenetration, heating, and entrainment journal, November 2019

Ion cyclotron heating at high plasma density in Proto-MPEX journal, January 2023

Monte Carlo evaluation of transport coefficients journal, January 1981

Simulation Study of Detached Plasmas by Using One-Dimensional SOL-Divertor Fluid Code with Virtual Divertor Model journal, July 2016

Particle simulation of plasmas: review and advances journal, April 2005

SHARP: A Spatially Higher-order, Relativistic Particle-in-cell Code journal, May 2017

Progress in the Development of a High Power Helicon Plasma Source for the Materials Plasma Exposure Experiment journal, August 2017

Particle merging algorithm for PIC codes journal, June 2015

Quasineutral hybrid simulation of macroscopic plasma phenomena journal, September 1982

An electron Bernstein wave heating scheme for the Proto-MPEX linear device journal, July 2018

A hybrid fluid-particle model of ion heating in high-Mach-number shock waves journal, February 1975

Observations of electron heating during 28 GHz microwave power application in proto-MPEX journal, February 2018

A fully implicit, time dependent 2-D fluid code for modeling tokamak edge plasmas journal, December 1992

A fully-neoclassical finite-orbit-width version of the CQL3D Fokker–Planck code journal, September 2016

Monte Carlo collision operators for use with exact trajectory integrators journal, October 2002

Plasma Edge Physics with B2-Eirene journal, February 2006

Title: Parallel transport modeling of linear divertor simulators with fundamental ion cyclotron heating ^*

High-Resolution Hybrid Simulations of Kinetic Plasma Turbulence at Proton Scales
journal, October 2015

First M87 Event Horizon Telescope Results. IV. Imaging the Central Supermassive Black Hole
journal, April 2019

Divertor plasma detachment
journal, May 2016

Mirror ratio scaling of axial confinement of a mirror-trapped collisional plasma
journal, January 1986

Power transport efficiency during O-X-B 2nd harmonic electron cyclotron heating in a helicon linear plasma device ¹
journal, December 2021

Linear and nonlinear particle-magnetohydrodynamic simulations of the toroidal Alfvén eigenmode
journal, May 1998

Current Advance Method and Cyclic Leapfrog for 2D Multispecies Hybrid Plasma Simulations
journal, May 1994

Experimental Investigation of the Effects of Magnetic Mirrors on Plasma Transport in the Prototype Material Plasma Exposure Experiment
journal, June 2020

ICRF Heating and Plasma Acceleration with an Open Magnetic Field for the Advanced Space Thruster
journal, February 2007

Velocity Power Spectra from Cross-Field Turbulence in the Proton Kinetic Regime
journal, February 2012

Particle-in-cell charged-particle simulations, plus Monte Carlo collisions with neutral atoms, PIC-MCC
journal, April 1991

Results of Ion Cyclotron Heating Experiments on Proto-MPEX Utilizing a Movable Stainless Steel Target
journal, June 2019

Fokker-Planck Equation for an Inverse-Square Force
journal, July 1957

Particle Rezoning for Multidimensional Kinetic Particle-In-Cell Simulations
journal, September 2002

Kinetic simulations of collision-less plasmas in open magnetic geometries ^*
journal, January 2022

Utilization of O-X-B mode conversion of 28 GHz microwaves to heat core electrons in the upgraded Proto-MPEX
journal, May 2019

Kinetic effects in edge plasma: kinetic modeling for edge plasma and detached divertor
journal, February 2017

Self-consistent treatment of the sheath boundary conditions by introducing anisotropic ion temperatures and virtual divertor model
journal, April 2016

Characterizing the plasma-induced thermal loads on a 200 kW light-ion helicon plasma source via infra-red thermography
journal, July 2021

The Materials Plasma Exposure eXperiment: Status of the Physics Basis Together With the Conceptual Design and Plans Forward
journal, June 2020

Two-way coupling of a global Hall magnetohydrodynamics model with a local implicit particle-in-cell model
journal, July 2014

Models and Numerics in the Multi-Fluid 2-D Edge Plasma Code EDGE2D/U
journal, January 1994

Radial transport modeling of high density deuterium plasmas in proto-MPEX with the B2.5-Eirene code
journal, April 2019

Ion Fluxes and Neutral Gas Ionization Efficiency of the 100-kW Light-Ion Helicon Plasma Source Concept for the Material Plasma Exposure eXperiment
journal, June 2019

The Development of the Material Plasma Exposure Experiment
journal, December 2016

Electromagnetic ion cyclotron resonance heating in the VASIMR
journal, July 2008

Ion species stratification within strong shocks in two-ion plasmas
journal, March 2018

Kinetic simulation of a collisional shock wave in a plasma
journal, October 1991

Hybrid simulation codes with application to shocks and upstream waves
journal, October 1985

Helicon normal modes in Proto-MPEX
journal, May 2018

The Material Plasma Exposure eXperiment: Mission and conceptual design
journal, July 2020

Computational investigation of ion cyclotron heating on Proto-MPEX
journal, March 2019

Effect of magnetic field ripple on parallel electron transport during microwave plasma heating in the Proto-MPEX linear plasma device
journal, February 2020

Hybrid-PIC modeling of laser-plasma interactions and hot electron generation in gold hohlraum walls
journal, June 2017

Material testing facilities and programs for plasma-facing component testing
journal, June 2017

Effect of turbulence on theta pinch modeling by hybrid numerical models
journal, January 1977

Integrated modeling for ion cyclotron resonant heating in toroidal systems
journal, April 2011

Kinetic modelling of impurity transport in detached plasma for integrated divertor simulation with SONIC (SOLDOR/NEUT2D/IMPMC/EDDY)
journal, May 2009

A fluid–kinetic hybrid electron model for electromagnetic simulations
journal, May 2001

A binary collision model for plasma simulation with a particle code
journal, November 1977

Radio-frequency-driven radial current and plasma rotation in a tokamak
journal, February 2002

Evidence of electron heating at different radial locations on Proto-MPEX
journal, March 2019

Hybrid particle-in-cell simulations of laser-driven plasma interpenetration, heating, and entrainment
journal, November 2019

Ion cyclotron heating at high plasma density in Proto-MPEX
journal, January 2023

Monte Carlo evaluation of transport coefficients
journal, January 1981

Simulation Study of Detached Plasmas by Using One-Dimensional SOL-Divertor Fluid Code with Virtual Divertor Model
journal, July 2016

Particle simulation of plasmas: review and advances
journal, April 2005

SHARP: A Spatially Higher-order, Relativistic Particle-in-cell Code
journal, May 2017

Progress in the Development of a High Power Helicon Plasma Source for the Materials Plasma Exposure Experiment
journal, August 2017

Particle merging algorithm for PIC codes
journal, June 2015

Quasineutral hybrid simulation of macroscopic plasma phenomena
journal, September 1982

An electron Bernstein wave heating scheme for the Proto-MPEX linear device
journal, July 2018

A hybrid fluid-particle model of ion heating in high-Mach-number shock waves
journal, February 1975

Observations of electron heating during 28 GHz microwave power application in proto-MPEX
journal, February 2018

A fully implicit, time dependent 2-D fluid code for modeling tokamak edge plasmas
journal, December 1992

A fully-neoclassical finite-orbit-width version of the CQL3D Fokker–Planck code
journal, September 2016

Monte Carlo collision operators for use with exact trajectory integrators
journal, October 2002

Plasma Edge Physics with B2-Eirene
journal, February 2006