Sheared poloidal flow driven by mode conversion in tokamak plasmas.
A two-dimensional integral full-wave model is used to calculate poloidal forces driven by mode conversion in tokamak plasmas. In the presence of a poloidal magnetic field, mode conversion near the ion-ion hybrid resonance is dominated by a transition from the fast magnetosonic wave to the slow ion cyclotron wave. The poloidal field generates strong variations in the parallel wave spectrum that cause wave damping in a narrow layer near the mode conversion surface. The resulting poloidal forces in this layer drive sheared poloidal flows comparable to those in direct launch ion Bernstein wave experiments.
Jaeger
E F
EF
Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831-8071, USA.
Berry
L A
LA
Myra
J R
JR
Batchelor
D B
DB
D'Azevedo
E
E
Bonoli
P T
PT
Phillips
C K
CK
Smithe
D N
DN
D'Ippolito
D A
DA
Carter
M D
MD
Dumont
R J
RJ
Wright
J C
JC
Harvey
R W
RW