Burning Plasma Bringing a Star to Earth (2004) / Chapter Skim
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Appendix C: Proposed Burning Plasma Experiments
Appendix C: Proposed Burning Plasma Experiments
Pages 143-147
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From page 143... ...
While each of the three devices is capable of addressing fusion physics and technology issues to some extent, they vary markedly in their missions, schedules, and budgets. INTERNATIONAL THERMONUCLEAR EXPERIMENTAL REACTOR ITER is an international facility that is designed to demonstrate the scientific feasibility of fusion as an energy source.
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From page 144... ...
It will facilitate studies of plasmas for pulse lengths much longer than the plasma current redistribution time, which will enable studies of steady-state operation. The long pulse capabil ity, the range and flexibility of heating and current drive technologies, and the extensive diagnostic set provide the capability to explore and evaluate advanced, steady-state operating regimes.
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From page 145... ...
The operating regime of ITER facilitates the study of alpha-particle-driven instabilities at temperatures relevant to a power plant. The flexible plasma control capability and long pulse duration will permit the exploration of self-driven current regimes, permitting studies relevant to steady-state operation.
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From page 146... ...
The design is based on cryogenically cooled copper magnets, with a relatively high magnetic field and modest size as compared, for example, with ITER. FIRE employs strong plasma shaping and internal feedback control coils, both of which improve the capability to operate at high "beta" (i.e., plasma pressure normalized by the con fining magnetic field)
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From page 147... ...
The IGNITOR design also raises a number of concerns, including less well established performance projections, questions about whether the required peak pressure profiles can be realized, and issues surrounding the structural integrity of the vessel.2 2R. Bangerter, G
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