Seminar : STAR project by Jack Berkery

Compact high-field superconducting tokamaks are being proposed in the U.S. as a means of potentially reducing the capital cost of a fusion pilot plant (FPP).

This presentation will describe both engineering and physics design activities for a fully nuclear A=2, R=4-4.5m Spherical Tokamak Advanced Reactor (STAR).

Facility engineering, layout and sizing will be described.

Initial STAR physics results that will be described include equilibrium and global stability analysis, Alfvenic instability analysis and energetic particle confinement,  pedestal stability projections, non-inductive current- drive analysis for ramp-up and sustainment for ECCD and NBI, core radiation estimates, and power exhaust projections (utilizing SOLPS-ITER) and mitigation approaches including lithium vapor box operation and SOL heat-flux broadening.

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