Trapped ion nonlocal effect in ion cyclotron radio‐frequency heating

A general formula for the nonlocal absorption power of trapped ions averaged over a magnetic surface in ion cyclotron radio‐frequency (ICRF) heating is derived. The gyrokinetic equation is adopted and a full particle orbit and wave coupling are kept. The resulting expression for a Maxwellian plasma...

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Bibliographic Details
Published in:Physics of fluids. B, Plasma physics Plasma physics, 1991-09, Vol.3 (9), p.2491-2495
Main Authors: Chen, Yan Ping, Tsai, Shih Tung
Format: Article
Language:English
Subjects:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700101 - Fusion Energy- Plasma Research- Confinement, Heating, & Production
700108 - Fusion Energy- Plasma Research- Wave Phenomena
ABSORPTION
BOLTZMANN STATISTICS
CHARGED PARTICLES
CLOSED PLASMA DEVICES
CORRELATIONS
COUPLING
DIFFUSION
ENERGY ABSORPTION
EQUATIONS
Exact sciences and technology
HEATING
HIGH-FREQUENCY HEATING
ICR HEATING
IONS
KINETIC EQUATIONS
MAGNETIC FIELD CONFIGURATIONS
MAGNETIC SURFACES
Physics
Physics of gases, plasmas and electric discharges
Physics of plasmas and electric discharges
PLASMA
PLASMA HEATING
Plasma production and heating
THERMONUCLEAR DEVICES
TOKAMAK DEVICES
TRAJECTORIES
TRAPPING
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Summary:A general formula for the nonlocal absorption power of trapped ions averaged over a magnetic surface in ion cyclotron radio‐frequency (ICRF) heating is derived. The gyrokinetic equation is adopted and a full particle orbit and wave coupling are kept. The resulting expression for a Maxwellian plasma in tokamaks is compared with Stix’s theory [Nucl. Fusion 1 5, 737(1975)], which shows that Stix’s theory is rather good for the fundamental cyclotron frequency heating and the nonlocal effect is not negligible for the second‐harmonic cyclotron frequency heating.
ISSN:0899-8221
2163-503X
DOI:10.1063/1.859620