Time dependent parallel viscosity and relaxation rate of poloidal rotation in the banana regime

C. T. Hsu; K. C. Shaing; R. Gormley

doi:10.1063/1.870932

Time dependent parallel viscosity and relaxation rate of poloidal rotation in the banana regime

C. T. Hsu, K. C. Shaing, R. Gormley

Institute of Space and Plasma Sciences

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

36 Citations (Scopus)

Abstract

Time dependent ion parallel viscous force in the banana regime with arbitrary inverse aspect ratio ∈ is calculated using the eigenfunction approach. The flux surface averaged viscosity is then used to study the relaxation process of the poloidal rotation which leads to oscillatory relaxation behavior. The relaxation rate v_p is found approximately proportional to v_ii/∈ (where v_ii is the ion collision frequency and ∈ is the inverse aspect ratio).

Original language	English
Pages (from-to)	132-138
Number of pages	7
Journal	Physics of Plasmas
Volume	1
Issue number	1
DOIs	https://doi.org/10.1063/1.870932
Publication status	Published - 1994

All Science Journal Classification (ASJC) codes

Condensed Matter Physics

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10.1063/1.870932

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abstract = "Time dependent ion parallel viscous force in the banana regime with arbitrary inverse aspect ratio ∈ is calculated using the eigenfunction approach. The flux surface averaged viscosity is then used to study the relaxation process of the poloidal rotation which leads to oscillatory relaxation behavior. The relaxation rate vp is found approximately proportional to vii/∈ (where vii is the ion collision frequency and ∈ is the inverse aspect ratio).",

author = "Hsu, {C. T.} and Shaing, {K. C.} and R. Gormley",

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AU - Shaing, K. C.

AU - Gormley, R.

PY - 1994

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N2 - Time dependent ion parallel viscous force in the banana regime with arbitrary inverse aspect ratio ∈ is calculated using the eigenfunction approach. The flux surface averaged viscosity is then used to study the relaxation process of the poloidal rotation which leads to oscillatory relaxation behavior. The relaxation rate vp is found approximately proportional to vii/∈ (where vii is the ion collision frequency and ∈ is the inverse aspect ratio).

AB - Time dependent ion parallel viscous force in the banana regime with arbitrary inverse aspect ratio ∈ is calculated using the eigenfunction approach. The flux surface averaged viscosity is then used to study the relaxation process of the poloidal rotation which leads to oscillatory relaxation behavior. The relaxation rate vp is found approximately proportional to vii/∈ (where vii is the ion collision frequency and ∈ is the inverse aspect ratio).

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Time dependent parallel viscosity and relaxation rate of poloidal rotation in the banana regime

Abstract

All Science Journal Classification (ASJC) codes

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