Radiative losses due to impurities and the neτ parameter of a thermonuclear plasma with fast neutral particle injection
Abramov V.A. , Gervids V.I. , Krupin V.A., Lisitsa V.S.
At present, one of the most promising and developed methods of generation of a plasma with thermonuclear parameters is injection of high-power fast neutral particle beams into a plasma.1'1 Beam injection (with a specific power PB) leads, however, to occurrence of two contradictory effects: 1) plasma heating and generation of additional power PBF as a result of a fusion reaction involving the beam atoms and 2) plasma cooling due to increased rate of radiative losses (RL) R which is determined by the rapid change in the ionization equilibrium of impurity ions in the course of a charge transfer between the beam atoms. In this paper values of the ne τ parameter are calculated for a thermonuclear plasma with both effects taken into consideration.
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