Particle-in-cell studies of fast-ion slowing-down rates in cool tenuous magnetized plasma

Evans, Eugene S.; Cohen, Samuel A.; Welch, Dale R.

doi:10.1063/1.5022188

Title: Particle-in-cell studies of fast-ion slowing-down rates in cool tenuous magnetized plasma

Abstract

We report on 3D-3V particle-in-cell simulations of fast-ion energy-loss rates in a cold, weakly-magnetized, weakly-coupled plasma where the electron gyroradius, ρe, is comparable to or less than the Debye length, λ_De, and the fast-ion velocity exceeds the electron thermal velocity, a regime in which the electron response may be impeded. These simulations use explicit algorithms, spatially resolve ρ_e and λ_De, and temporally resolve the electron cyclotron and plasma frequencies. For mono-energetic dilute fast ions with isotropic velocity distributions, these scaling studies of the slowing-down time, τ_s, versus fast-ion charge are in agreement with unmagnetized slowing-down theory; with an applied magnetic field, no consistent anisotropy between τs in the cross-field and field-parallel directions could be resolved. Scaling the fast-ion charge is confirmed as a viable way to reduce the required computational time for each simulation. In conclusion, the implications of these slowing down processes are described for one magnetic-confinement fusion concept, the small, advanced-fuel, field-reversed configuration device.

Authors:

^[1];

^[1]; Welch, Dale R. ^[2]

Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States)
Voss Scientific, Albuquerque, NM (United States)

Publication Date:: Thu Apr 05 00:00:00 EDT 2018

Research Org.:: Princeton Plasma Physics Laboratory (PPPL), Princeton, NJ (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1440976

Alternate Identifier(s):: OSTI ID: 1431387

Grant/Contract Number:: AC02-09CH11466

Resource Type:: Accepted Manuscript

Journal Name:: Physics of Plasmas

Additional Journal Information:: Journal Volume: 25; Journal Issue: 4; 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


                    Evans, Eugene S., Cohen, Samuel A., and Welch, Dale R. Particle-in-cell studies of fast-ion slowing-down rates in cool tenuous magnetized plasma.  United States: N. p., 2018. 
Web.  doi:10.1063/1.5022188.

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                    Evans, Eugene S., Cohen, Samuel A., & Welch, Dale R. Particle-in-cell studies of fast-ion slowing-down rates in cool tenuous magnetized plasma.  United States.  https://doi.org/10.1063/1.5022188

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                    Evans, Eugene S., Cohen, Samuel A., and Welch, Dale R. Thu .  
"Particle-in-cell studies of fast-ion slowing-down rates in cool tenuous magnetized plasma".  United States.  https://doi.org/10.1063/1.5022188.  https://www.osti.gov/servlets/purl/1440976.

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@article{osti_1440976,

  title        = {Particle-in-cell studies of fast-ion slowing-down rates in cool tenuous magnetized plasma},

  author       = {Evans, Eugene S. and Cohen, Samuel A. and Welch, Dale R.},

  abstractNote = {We report on 3D-3V particle-in-cell simulations of fast-ion energy-loss rates in a cold, weakly-magnetized, weakly-coupled plasma where the electron gyroradius, ρe, is comparable to or less than the Debye length, λDe, and the fast-ion velocity exceeds the electron thermal velocity, a regime in which the electron response may be impeded. These simulations use explicit algorithms, spatially resolve ρe and λDe, and temporally resolve the electron cyclotron and plasma frequencies. For mono-energetic dilute fast ions with isotropic velocity distributions, these scaling studies of the slowing-down time, τs, versus fast-ion charge are in agreement with unmagnetized slowing-down theory; with an applied magnetic field, no consistent anisotropy between τs in the cross-field and field-parallel directions could be resolved. Scaling the fast-ion charge is confirmed as a viable way to reduce the required computational time for each simulation. In conclusion, the implications of these slowing down processes are described for one magnetic-confinement fusion concept, the small, advanced-fuel, field-reversed configuration device.},

  doi          = {10.1063/1.5022188},

  journal      = {Physics of Plasmas},

  number       = 4,

  volume       = 25,

  place        = {United States},

  year         = {Thu Apr 05 00:00:00 EDT 2018},

  month        = {Thu Apr 05 00:00:00 EDT 2018}

}

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Works referencing / citing this record:

Acceleration of charged particles to extremely large energies by a sub-Dreicer electric field
journal, April 2019

Marshall, R. S.; Bellan, P. M.
Physics of Plasmas, Vol. 26, Issue 4
DOI: 10.1063/1.5081716

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Similar Records

Title: Particle-in-cell studies of fast-ion slowing-down rates in cool tenuous magnetized plasma

Abstract

Citation Formats

Ion Heating in the Field-Reversed Configuration by Rotating Magnetic Fields near the Ion-Cyclotron Resonance journal, December 2000

Electron Fokker-Planck Equation for Collisions with Ions in a Magnetized Plasma journal, January 1989

The Interaction of Cosmic rays with Diffuse Clouds journal, September 2011

Excitation of global eigenmodes of the Alfven wave in Tokamaks journal, September 1982

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Matplotlib: A 2D Graphics Environment journal, January 2007

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First Test of Long-Range Collisional Drag via Plasma Wave Damping journal, October 2016

Test Particles in a Completely Ionized Plasma journal, January 1960

Molecular Dynamics Simulations of Classical Stopping Power journal, November 2013

A direct fusion drive for rocket propulsion journal, December 2014

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

Magnetized plasma kinetic theory. III. Fokker-Planck coefficients for a uniform magnetized plasma journal, July 1977

Survey of collective instabilities and beam–plasma interactions in intense heavy ion beams journal, July 2009

Fundamentals of Plasma Physics book, January 2006

Parallel velocity diffusion and slowing-down rate from long-range collisions in a magnetized plasma journal, May 2014

Collision operator for a strongly magnetized pure electron plasma journal, January 1983

Nonlinear heavy-ion stopping in plasmas journal, October 1998

Fundamentals of Plasma Physics journal, January 2007

Magnetized plasma kinetic theory. III. Fokker-Planck coefficients for a uniform magnetized plasma journal, September 1977

Fundamentals of Plasma Physics journal, December 1981

The Interaction of Cosmic Rays with Diffuse Clouds text, January 2011

Acceleration of charged particles to extremely large energies by a sub-Dreicer electric field journal, April 2019

Ion Heating in the Field-Reversed Configuration by Rotating Magnetic Fields near the Ion-Cyclotron Resonance
journal, December 2000

Electron Fokker-Planck Equation for Collisions with Ions in a Magnetized Plasma
journal, January 1989

The Interaction of Cosmic rays with Diffuse Clouds
journal, September 2011

Excitation of global eigenmodes of the Alfven wave in Tokamaks
journal, September 1982

Fast electron energy deposition in a magnetized plasma: Kinetic theory and particle-in-cell simulation
journal, March 2010

Simulation techniques for heavy ion fusion chamber transport
journal, May 2001

Experimental studies of heavy-ion slowing down in matter
journal, October 2002

Heating of toroidal plasmas by neutral injection
journal, April 1972

Particle-in-cell and hypernetted chain models of two-component, two-temperature coupled classical plasmas
journal, October 2009

Matplotlib: A 2D Graphics Environment
journal, January 2007

Kinetic Equation with a Constant Magnetic Field
journal, January 1960

Inertially confined fusion plasmas dominated by alpha-particle self-heating
journal, April 2016

First Test of Long-Range Collisional Drag via Plasma Wave Damping
journal, October 2016

Test Particles in a Completely Ionized Plasma
journal, January 1960

Molecular Dynamics Simulations of Classical Stopping Power
journal, November 2013

A direct fusion drive for rocket propulsion
journal, December 2014

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

Magnetized plasma kinetic theory. III. Fokker-Planck coefficients for a uniform magnetized plasma
journal, July 1977

Survey of collective instabilities and beam–plasma interactions in intense heavy ion beams
journal, July 2009

Fundamentals of Plasma Physics
book, January 2006

Parallel velocity diffusion and slowing-down rate from long-range collisions in a magnetized plasma
journal, May 2014

Collision operator for a strongly magnetized pure electron plasma
journal, January 1983

Nonlinear heavy-ion stopping in plasmas
journal, October 1998

Fundamentals of Plasma Physics
journal, January 2007

Magnetized plasma kinetic theory. III. Fokker-Planck coefficients for a uniform magnetized plasma
journal, September 1977

Fundamentals of Plasma Physics
journal, December 1981

The Interaction of Cosmic Rays with Diffuse Clouds
text, January 2011

Acceleration of charged particles to extremely large energies by a sub-Dreicer electric field
journal, April 2019