PPPL-4176 is available in pdf format (431 KB).

Modeling of Fast Wave Heating and Current Drive in DIII-D High Performance Plasmas

Authors: C.E. Kessel, R.V. Budny, A.M. Garofalo, C.M. Greenfield, M. Murakami, R.I. Pinsker, and P.M. Ryan

Date of PPPL Report: June 2006

Presented at: the Thirty-Third European Physical Society Conference on Plasma Physics, 19 – 23 June 2006, Rome, Italy.

The DIII-D tokamak is using Ion Cyclotron Range of Frequencies (ICRF) fast wave (FW) heating and current drive in high performance discharges. The ICRF system will supplement the existing neutral beam (NB) and electron cyclotron (EC) heating and current drive systems. This study addresses the application of FW heating and current drive to high beta discharges produced in 2005, by reproducing a discharge (122976) in a transport simulation and adding the FW to observe the impact on the electron and ion temperatures, safety factor/current density profile evolution, and non-inductive current.