DIII-D RESEARCH OPPORTUNITIES FORUM FOR THE 2008 EXPERIMENTAL CAMPAIGN
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| Title | 330: ITER accessibility to hybrid regime using RF | ||
| Name: | Masanori Murakami ( |
Affiliation: | Oak Ridge National Laboratory |
| Research Area: | ITER Demonstration Discharges | Presentation time: | Not requested | Co-Author(s): | J.M. Park, R. Pinsker, W. Baity, D. Rasmussen, J. Hosea, C. Petty, et al., |
| Description: | 1) Study the accessibility of hybrid regime using substantial RF power in ITER-shape plasmas
2) Sustain q(0)>1 with FWCD while 3/2 or 4/3 tearing modes feedback stabilized 3) Gain experience of FW operation with ELMing H-mode with a relatively large gap | ||
| Experimental Approach/Plan: | 1) Scenario modeling study to seek optimal strategy for accessibility and sustainment of hybrid scenario in ITER-shaped plasma in DIII-D
2) Reproduce shot like 119733, and apply counter-FWCD 3) Adjust power to find L-H threshold power, and lowest betaN for hybrid operation 4) Settle at a baseline (ITER-like) condition and characterize RF operation (optimal coupling, etc) 5) Study maintenance of q(0)>1 with FWCD while ECCD stabilize 3/2 or 4/3 NTM | ||
| Background: | |||
| Resource Requirements: | Machine Time: 2 days
Number of gyrotrons: 4 Number of neutral beam sources: 7 | ||
| Diagnostic Requirements: | Fast ion diagnostic (UC, Irvine), edge reflectometer (UCLA) | ||
| Analysis Requirements: | |||
| Other Requirements: | fast wave (both 90 and 60 MHz) | ||
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