Title :
Heating and current drive systems for FIRE AT operation
Author :
Swain, D.W. ; Kessel, C.
Author_Institution :
Oak Ridge Nat. Lab., TN, USA
Abstract :
FIRE is a proposed high-field tokamak (B0 up to 10 T) designed to explore burning plasma physics of conventional ELMy H-modes as well as several types of advanced tokamak (AT) modes. A 20-MW ion cyclotron system in the 70 to 115 MHz frequency range is the baseline heating system. This system should achieve Q ≈ 10 in a 50:50 D-T plasma under standard (i.e., non-AT) conditions, and can also drive a modest amount of current near the center of the plasma during AT operation. Two other heating and current drive systems are being considered for FIRE as upgrade options: a 30-MW, 5-GHz lower hybrid system to drive current in the outer part of the plasma, and a 170-GHz electron cyclotron system to stabilize neoclassical tearing modes during AT operation.
Keywords :
Tokamak devices; plasma hybrid waves; plasma radiofrequency heating; plasma toroidal confinement; plasma transport processes; tearing instability; 170 MHz; 20 MW; 30 MW; 5 GHz; 70 to 115 MHz; D-T plasma; FIRE advanced tokamak operation; burning plasma physics; conventional ELMy H-modes; current drive system; electron cyclotron system; heating system; high-field tokamak; ion cyclotron system; lower hybrid system; neoclassical tearing modes; Cyclotrons; Electrons; Fires; Frequency; Heating; Laboratories; Physics; Plasmas; Tokamaks; Transmission line antennas;
Conference_Titel :
Fusion Engineering, 2003. 20th IEEE/NPSS Symposium on
Print_ISBN :
0-7803-7908-X
DOI :
10.1109/FUSION.2003.1426706
