Excitation of the lower-hybrid resonance at the plasma edge by ICRF couplers

Excitation of the lower-hybrid resonance at the plasma edge by ICRF couplers

A simple model is presented and used to examine the inadvertent excitation of the lower-hybrid resonance by fast wave couplers. Loading resistances due to this effect are found to be of the order of 0.1 Omega for present-generation experiments and increase with the toroidal magnetic field. An upper-...

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Veröffentlicht in:IEEE transactions on plasma science 1990-02, Vol.18 (1), p.142-148
Hauptverfasser: Berro, E.A., Morales, G.J.
Format: Artikel
Sprache:eng
Schlagworte:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700108 > Fusion Energy-- Plasma Research-- Wave Phenomena
700208 > Fusion Power Plant Technology-- Inertial Confinement Technology
CLOSED PLASMA DEVICES
Couplers
Dielectrics
Electrostatics
ENERGY TRANSFER
ENERGY-LEVEL TRANSITIONS
Exact sciences and technology
EXCITATION
Frequency
HEATING
HIGH-FREQUENCY HEATING
ICR HEATING
LOWER HYBRID HEATING
MAGNETIC FIELDS
Magnetic resonance
Physics
Physics of gases, plasmas and electric discharges
Physics of plasmas and electric discharges
PINCH DEVICES
Plasma density
PLASMA HEATING
Plasma interactions (nonlaser)
Plasma properties
PLASMA SIMULATION
Plasma waves
SIMULATION
Tensile stress
THERMONUCLEAR DEVICES
Toroidal magnetic fields
TOROIDAL PINCH DEVICES 700101 > Fusion Energy-- Plasma Research-- Confinement, Heating, & Production
TOROIDAL THETA PINCH DEVICES
WAVE PROPAGATION
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Beschreibung
Zusammenfassung:A simple model is presented and used to examine the inadvertent excitation of the lower-hybrid resonance by fast wave couplers. Loading resistances due to this effect are found to be of the order of 0.1 Omega for present-generation experiments and increase with the toroidal magnetic field. An upper-bound estimate of 1 keV is obtained for the energy transferred to edge ions by the resonance.< >
ISSN:0093-3813
1939-9375
DOI:10.1109/27.45517