Kinetic ray tracing in toroidal geometry with application to mode-converted ion-Bernstein waves
Conference
·
OSTI ID:5393917
We discuss results of detailed numerical and analytical studies on the propagation of ion-Bernstein waves (IBW) in a toroidal plasma. Such waves can be excited by mode conversion of an externally launched fast Alfven wave near the ion-ion hybrid resonance (or near the second harmonic resonance for a single ion species plasma) in a tokamak. We find that there is a significant upshift in the poloidal mode numbers of the IBW over short radial distances of propagation so that the IBW can Landau damp onto the electrons. The numerically obtained results are corroborated by a simple analytical model. 4 refs., 4 figs.
- Research Organization:
- Massachusetts Inst. of Tech., Cambridge, MA (USA). Plasma Fusion Center
- Sponsoring Organization:
- DOE/ER
- DOE Contract Number:
- AC02-78ET51013
- OSTI ID:
- 5393917
- Report Number(s):
- PFC/JA-89-37; CONF-891182--2; ON: DE90001829
- Country of Publication:
- United States
- Language:
- English
Similar Records
Propagation and damping of mode converted ion-Bernstein waves in toroidal plasmas
Electron heating by mode-converted ion-Bernstein waves in ICRF heating of tokamak plasmas
Electron heating by mode-converted ion-Bernstein waves in ICRF heating of tokamak plasmas
Journal Article
·
Sun Mar 31 23:00:00 EST 1991
· Physics of Fluids B; (USA)
·
OSTI ID:5618210
Electron heating by mode-converted ion-Bernstein waves in ICRF heating of tokamak plasmas
Conference
·
Fri May 01 00:00:00 EDT 1987
·
OSTI ID:6193945
Electron heating by mode-converted ion-Bernstein waves in ICRF heating of tokamak plasmas
Conference
·
Tue Sep 01 00:00:00 EDT 1987
· AIP Conf. Proc.; (United States)
·
OSTI ID:6930769