Transport in high performance weak and negative central shear discharges in DIII-D
Conference
·
OSTI ID:451136
- General Atomics, San Diego, CA (United States)
- Lawrence Livermore National Lab., CA (United States); and others
In recent experiments in the DIII-D tokamak, the previously reported enhanced performance regime with negative central magnetic shear (NCS) has been extended to further improve fusion performance. This was done by using controlled L-H transitions to further broaden the pressure profile, thereby delaying the onset of MHD activity which would lead to the termination of the high performance phase. Such discharges have achieved record parameters for DIII-D, including D-D fusion power up to 28 kW and stored energy in excess of 4 MJ.
- Research Organization:
- General Atomics, San Diego, CA (United States); Oak Ridge National Lab., TN (United States); Columbia Univ., New York, NY (United States); Lawrence Livermore National Lab., CA (United States)
- Sponsoring Organization:
- USDOE Office of Energy Research, Washington, DC (United States)
- DOE Contract Number:
- AC03-89ER51114; AC05-96OR22464; FG05-88ER53266; FG02-89ER53297; W-7405-ENG-48
- OSTI ID:
- 451136
- Report Number(s):
- GA--A22403; CONF-9606226--8; ON: DE97002548
- Country of Publication:
- United States
- Language:
- English
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