ACT2 preliminary JSOLVER equilibria

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Presentation transcript:

ACT2 preliminary JSOLVER equilibria C. Kessel, PPPL ARIES Project Meeting, Jan 23-24, 2012, UCSD

JSOLVER preliminary solution to start modeling for this scenario R = 6.75 m, a = 1.68 m, κ = 2.0, δ = 0.7, BT = 7.25 T JSOLVER ASC Ip 12.78 13.25 IBS 7.1 8.0 ICD 5.44 5.2 n/nGr 0.77 0.85 n(0)/<n> 1.34 1.3 T(0)/<T> 1.96 1.79 li(1) 0.6 βN 2.88 2.75

Here ILH ~ 2.5 MA, IIC/EC ~ 2.5-3 MA So far, can find ballooning stable cases around βN ~ 2.8-2.9, BUT can not n=1 stable cases without a wall……still working on it Need to drive significant current in inner regions, ρ < 0.4, IC or EC for on-axis, most likely EC for further out Here ILH ~ 2.5 MA, IIC/EC ~ 2.5-3 MA ILH = 2.5 MA IIC/EC = 3 MA Combination of IC & EC

Work to do on ACT2 Finish JSOLVER analysis to identify ideal MHD stable preliminary configuration Develop free-boundary equilibrium for other analyses Begin developing TSC time-dependent analysis for ACT2, including heating and current drive analysis (TSC/TRANSP) Begin making similar ELM and disruption analysis for heat loads for ACT2