Time-dependent neoclassical viscosity

A. L. Garcia-Perciante; J. D. Callen; K. C. Shaing; C. C. Hegna

doi:10.1063/1.1899159

Time-dependent neoclassical viscosity

A. L. Garcia-Perciante, J. D. Callen, K. C. Shaing, C. C. Hegna

Institute of Space and Plasma Sciences

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

A time-dependent closure for the parallel viscous force is calculated in a bumpy cylinder magnetic field geometry using a Chapman-Enskog-like approach. The calculation is valid for all times and field modulations, and is expressed as a dynamic evolution in time. Two important applications are presented: modification of the frequency-dependent electrical conductivity due to the interaction between trapped and circulating particles, and the parallel flow evolution which can be extended to axisymmetric geometries.

Original language	English
Article number	052516
Pages (from-to)	1-11
Number of pages	11
Journal	Physics of Plasmas
Volume	12
Issue number	5
DOIs	https://doi.org/10.1063/1.1899159
Publication status	Published - 2005 May

All Science Journal Classification (ASJC) codes

Condensed Matter Physics

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10.1063/1.1899159

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abstract = "A time-dependent closure for the parallel viscous force is calculated in a bumpy cylinder magnetic field geometry using a Chapman-Enskog-like approach. The calculation is valid for all times and field modulations, and is expressed as a dynamic evolution in time. Two important applications are presented: modification of the frequency-dependent electrical conductivity due to the interaction between trapped and circulating particles, and the parallel flow evolution which can be extended to axisymmetric geometries.",

author = "Garcia-Perciante, {A. L.} and Callen, {J. D.} and Shaing, {K. C.} and Hegna, {C. C.}",

note = "Funding Information: The authors wish to thank Dr. Eric Held for helpful discussions. This research was supported by U. S. Department of Energy under Grant No. DE-FG02-86ER53218.",

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AU - Garcia-Perciante, A. L.

AU - Callen, J. D.

AU - Shaing, K. C.

AU - Hegna, C. C.

N1 - Funding Information: The authors wish to thank Dr. Eric Held for helpful discussions. This research was supported by U. S. Department of Energy under Grant No. DE-FG02-86ER53218.

PY - 2005/5

Y1 - 2005/5

N2 - A time-dependent closure for the parallel viscous force is calculated in a bumpy cylinder magnetic field geometry using a Chapman-Enskog-like approach. The calculation is valid for all times and field modulations, and is expressed as a dynamic evolution in time. Two important applications are presented: modification of the frequency-dependent electrical conductivity due to the interaction between trapped and circulating particles, and the parallel flow evolution which can be extended to axisymmetric geometries.

AB - A time-dependent closure for the parallel viscous force is calculated in a bumpy cylinder magnetic field geometry using a Chapman-Enskog-like approach. The calculation is valid for all times and field modulations, and is expressed as a dynamic evolution in time. Two important applications are presented: modification of the frequency-dependent electrical conductivity due to the interaction between trapped and circulating particles, and the parallel flow evolution which can be extended to axisymmetric geometries.

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ER -

Time-dependent neoclassical viscosity

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