Burning Plasma Bringing a Star to Earth (2004) / Chapter Skim
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Appendix F: Fusion Reactor Concepts
Appendix F: Fusion Reactor Concepts
Pages 169-173
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From page 169... ...
, the spherical torus and the spheromak (see Figure F.2) , the stellarator (see Figure F.3)
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From page 170... ...
to stabilize the plasma while using a poloidal field created by a toroidal plasma current to confine the particles (upper right)
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(safety factor q = 0.03) FIGURE F.2 Examples of the magnetic topologies of three related toroidal configurations with increasing curvature and varying stability characteristics.
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has relatively simple helical symmetry and multiple har monics in the field strength along a field line (b) , which in turn gives rise to large particle losses.
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From page 173... ...
The magnetic topology includes a reversal of the toroidal field inside the plasma owing to plasma currents. Under normal inductive current drive, the magnetic field lines can readily become chaotic, as indicated by a puncture plot of the field lines as they traverse a poloidal plane (bottom left)
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