Modeling of current profile evolution and equilibria in negative central shear discharges in the DIII-D experiment
Description:
Recent DIII-D advanced tokamak experiments with negative central shear (NCS) have resulted in operation at high normalized {beta}, {beta}{sub N}={beta}/(I/aB), to 4.2, confinement enhancement factors to H=4 (H={tau}{sub E}/{tau}ITER-89P), and record neutron rates for DIII-D to 2.4X10{sup 16} neutrons/sec. These data were obtained during high triangularity, single and double null diverted operation with peaked (L-mode) and broad (H-mode) pressure profiles. We are modeling the spatial and tempora…
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Date:
June 20, 1996
Creator:
Casper, T. A.; Crotinger, J.; Meyer, W.; Moller, J.; Pearlstein, L. D.; Rice, B. et al.
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