Microtearing Modes in Low Collisionality NSTX Discharges
Other conference contribution, 2019
Recently, a new unified fluid/kinetic MTM model is developed and incorporated into the
Multi-Mode Model (MMM). The MTM model has been found to reproduce many of the linear gyrokinetic results predicted in NSTX discharges, such as the variation of real frequency and growth rates with poloidal wavenumber, beta, and electron temperature (T e ) and density gradients. A particularly important result is that the model recovers the non-monotonic dependence of linear MTM growth rate with collision frequency.
Multi-Mode Model (MMM). The MTM model has been found to reproduce many of the linear gyrokinetic results predicted in NSTX discharges, such as the variation of real frequency and growth rates with poloidal wavenumber, beta, and electron temperature (T e ) and density gradients. A particularly important result is that the model recovers the non-monotonic dependence of linear MTM growth rate with collision frequency.
Author
Tariq Rafiq
Lehigh University
S.M. Kaye
Princeton Plasma Physics Laboratory
W Guttenfelder
Princeton Plasma Physics Laboratory
Johan Anderson
Chalmers, Space, Earth and Environment
Jan Weiland
Chalmers, Physics
A. Y. Pankin
Lehigh University
The Sherwood Fusion Theory Conference
Princeton, USA,
Princeton, USA,
Areas of Advance
Energy
Roots
Basic sciences
Subject Categories
Other Physics Topics
Fusion, Plasma and Space Physics