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Radiative collapse in an impurity-seeded spinning gas-puff staged pinch
Published online by Cambridge University Press: 01 January 1999
Abstract
The dynamics and thermonuclear fusion parameters of a spinning gas-puff staged pinch are investigated by considering a DT-fibre plasma seeded with a Kr impurity. The effects of anomalous heating, line radiations from Kr, α-heating and radiative collapse are studied for different spin velocities Ω0, keeping the spin coupling parameter f0 (=0.1) fixed. Numerical results indicate that the choice of Ω0 is highly critical. Large values of the spin velocities although provide stabilization against the R–T instability in the final stage of compression, but causes an adverse reduction in the values of the plasma parameters that are essential to achieve controlled fusion. Our analysis suggests that a judicious choice of spin velocity can provide the desired temperature and density when we seed a DT-fibre plasma with a small fraction of Kr impurity to initiate radiative collapse.
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- © 1999 Cambridge University Press
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