Neutral beam heating in the Princeton Large Torus

Details Neutral beam heating in the Princeton Large Torus Neutral beam heating in the Princeton Large Torus

Mar 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980sci...207.1301g&link_type=abstract

Science, vol. 207, Mar. 21, 1980, p. 1301-1309.

Physics

4

Atomic Beams, Inertial Fusion (Reactor), Neutral Beams, Plasma Heating, Tokamak Devices, Controlled Fusion, Electron Energy, Energetic Particles, Flux Density, Ion Temperature, Ionic Collisions, Plasma Density, Plasma Temperature, Rotating Plasmas

Scientific paper

Beams of energetic atoms were injected to heat the plasma contained in the Princeton Large Torus tokamak. The plasma reached ion temperatures of about 6.5 keV (approximately 75,000,000 K) and electron temperatures of about 4.0 keV or greater (approximately 46,000,000 K) - both the highest yet achieved in a tokamak device. Although a new type of density fluctuation in the plasma was observed at the highest injection powers and lowest plasma densities, the energy confinement properties of the discharge did not appear to deteriorate even at the low collisionalities relevant to a thermonuclear reactor plasma. The electron energy confinement in the central plasma appeared to be enhanced during beam injection.

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