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Title: Impact of centrifugal drifts on ion turbulent transport

Abstract

Here, the influence of sonic toroidal rotation on gyrokinetic stability and transport is studied, with important implications for heavy impurity dynamics. When centrifugal drifts and electrostatic trapping corrections are included, significant modifications to the calculated transport of heavy impurities are observed. These high-rotation corrections add to the standard Coriolis drift and toroidal rotation shear drive which are normally included in gyrokinetics. Yet, because of their complexity, centrifugal and electrostatic trapping terms (quadratic in the main ion Mach number) are not generally included in gyrokinetic codes. In this work, we explore the implications of using reduced descriptions of the rotational physics. For heavy impurities such as tungsten, cross terms due to the centrifugal force can dominate the rotation dynamics, and neglecting them is shown to lead to large errors in the impurity particle flux.

Authors:
ORCiD logo [1]; ORCiD logo [1]
  1. General Atomics, San Diego, CA (United States)
Publication Date:
Research Org.:
General Atomics, San Diego, CA (United States)
Sponsoring Org.:
USDOE Office of Nuclear Energy (NE)
OSTI Identifier:
1438439
Alternate Identifier(s):
OSTI ID: 1423400
Grant/Contract Number:  
FG02-95ER54309; FC02-06ER54873
Resource Type:
Accepted Manuscript
Journal Name:
Physics of Plasmas
Additional Journal Information:
Journal Volume: 25; Journal Issue: 3; 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

Belli, Emily A., and Candy, J. Impact of centrifugal drifts on ion turbulent transport. United States: N. p., 2018. Web. doi:10.1063/1.5020298.
Belli, Emily A., & Candy, J. Impact of centrifugal drifts on ion turbulent transport. United States. doi:10.1063/1.5020298.
Belli, Emily A., and Candy, J. Thu . "Impact of centrifugal drifts on ion turbulent transport". United States. doi:10.1063/1.5020298. https://www.osti.gov/servlets/purl/1438439.
@article{osti_1438439,
title = {Impact of centrifugal drifts on ion turbulent transport},
author = {Belli, Emily A. and Candy, J.},
abstractNote = {Here, the influence of sonic toroidal rotation on gyrokinetic stability and transport is studied, with important implications for heavy impurity dynamics. When centrifugal drifts and electrostatic trapping corrections are included, significant modifications to the calculated transport of heavy impurities are observed. These high-rotation corrections add to the standard Coriolis drift and toroidal rotation shear drive which are normally included in gyrokinetics. Yet, because of their complexity, centrifugal and electrostatic trapping terms (quadratic in the main ion Mach number) are not generally included in gyrokinetic codes. In this work, we explore the implications of using reduced descriptions of the rotational physics. For heavy impurities such as tungsten, cross terms due to the centrifugal force can dominate the rotation dynamics, and neglecting them is shown to lead to large errors in the impurity particle flux.},
doi = {10.1063/1.5020298},
journal = {Physics of Plasmas},
number = 3,
volume = 25,
place = {United States},
year = {2018},
month = {3}
}

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Works referenced in this record:

A unified method for operator evaluation in local Grad–Shafranov plasma equilibria
journal, September 2009


Implications of advanced collision operators for gyrokinetic simulation
journal, February 2017


A new gyrokinetic quasilinear transport model applied to particle transport in tokamak plasmas
journal, November 2007

  • Bourdelle, C.; Garbet, X.; Imbeaux, F.
  • Physics of Plasmas, Vol. 14, Issue 11
  • DOI: 10.1063/1.2800869

Equilibrium of a Magnetically Confined Plasma in a Toroid
journal, January 1958

  • Kruskal, M. D.; Kulsrud, R. M.
  • Physics of Fluids, Vol. 1, Issue 4
  • DOI: 10.1063/1.1705884

A high-accuracy Eulerian gyrokinetic solver for collisional plasmas
journal, November 2016


Gyrokinetic study of turbulent convection of heavy impurities in tokamak plasmas at comparable ion and electron heat fluxes
journal, September 2016


Neoclassical ion transport in rotating axisymmetric plasmas
journal, January 1985

  • Hinton, F. L.; Wong, S. K.
  • Physics of Fluids, Vol. 28, Issue 10
  • DOI: 10.1063/1.865350

Gyrokinetic simulations including the centrifugal force in a rotating tokamak plasma
journal, October 2010

  • Casson, F. J.; Peeters, A. G.; Angioni, C.
  • Physics of Plasmas, Vol. 17, Issue 10
  • DOI: 10.1063/1.3491110

An Eulerian method for the solution of the multi-species drift-kinetic equation
journal, June 2009


Gyro-Landau fluid equations for trapped and passing particles
journal, October 2005

  • Staebler, G. M.; Kinsey, J. E.; Waltz, R. E.
  • Physics of Plasmas, Vol. 12, Issue 10
  • DOI: 10.1063/1.2044587

Toroidal gyro‐Landau fluid model turbulence simulations in a nonlinear ballooning mode representation with radial modes
journal, July 1994

  • Waltz, R. E.; Kerbel, G. D.; Milovich, J.
  • Physics of Plasmas, Vol. 1, Issue 7
  • DOI: 10.1063/1.870934

Analytic formulae for centrifugal effects on turbulent transport of trace impurities in tokamak plasmas
journal, December 2012

  • Angioni, C.; Casson, F. J.; Veth, C.
  • Physics of Plasmas, Vol. 19, Issue 12
  • DOI: 10.1063/1.4773051

Influence of the centrifugal force and parallel dynamics on the toroidal momentum transport due to small scale turbulence in a tokamak
journal, April 2009

  • Peeters, A. G.; Strintzi, D.; Camenen, Y.
  • Physics of Plasmas, Vol. 16, Issue 4
  • DOI: 10.1063/1.3097263

Discoveries from the exploration of gyrokinetic momentum transport
journal, May 2011

  • Staebler, G. M.; Waltz, R. E.; Kinsey, J. E.
  • Physics of Plasmas, Vol. 18, Issue 5
  • DOI: 10.1063/1.3566017

Kinetic quasitoroidal ion temperature gradient instability in the presence of sheared flows
journal, May 1993

  • Dong, J. Q.; Horton, W.
  • Physics of Fluids B: Plasma Physics, Vol. 5, Issue 5
  • DOI: 10.1063/1.860898

Tungsten transport in JET H-mode plasmas in hybrid scenario, experimental observations and modelling
journal, July 2014


Nonlinear gyrokinetic Vlasov equation for toroidally rotating axisymmetric tokamaks
journal, February 1995


Toroidal Momentum Pinch Velocity due to the Coriolis Drift Effect on Small Scale Instabilities in a Toroidal Plasma
journal, June 2007


Advances in the simulation of toroidal gyro‐Landau fluid model turbulence
journal, June 1995

  • Waltz, R. E.; Kerbel, G. D.; Milovich, J.
  • Physics of Plasmas, Vol. 2, Issue 6
  • DOI: 10.1063/1.871264

Kinetic calculation of neoclassical transport including self-consistent electron and impurity dynamics
journal, July 2008


Neoclassical electron and ion transport in toroidally rotating plasmas
journal, June 1997

  • Sugama, H.; Horton, W.
  • Physics of Plasmas, Vol. 4, Issue 6
  • DOI: 10.1063/1.872385

Nonlinear electromagnetic gyrokinetic equation for plasmas with large mean flows
journal, July 1998

  • Sugama, H.; Horton, W.
  • Physics of Plasmas, Vol. 5, Issue 7
  • DOI: 10.1063/1.872941

The nonlinear gyro-kinetic flux tube code GKW
journal, December 2009

  • Peeters, A. G.; Camenen, Y.; Casson, F. J.
  • Computer Physics Communications, Vol. 180, Issue 12
  • DOI: 10.1016/j.cpc.2009.07.001

Spectral treatment of gyrokinetic shear flow
journal, March 2018


Noncircular, finite aspect ratio, local equilibrium model
journal, April 1998

  • Miller, R. L.; Chu, M. S.; Greene, J. M.
  • Physics of Plasmas, Vol. 5, Issue 4
  • DOI: 10.1063/1.872666

A gyro-Landau-fluid transport model
journal, July 1997

  • Waltz, R. E.; Staebler, G. M.; Dorland, W.
  • Physics of Plasmas, Vol. 4, Issue 7
  • DOI: 10.1063/1.872228

Gyrokinetic theory and simulation of angular momentum transport
journal, December 2007

  • Waltz, R. E.; Staebler, G. M.; Candy, J.
  • Physics of Plasmas, Vol. 14, Issue 12
  • DOI: 10.1063/1.2824376

Full linearized Fokker–Planck collisions in neoclassical transport simulations
journal, December 2011