Optimization of the parameters of plasma liners with zero-dimensional models

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Abstract

The efficiency of conversion of the energy stored in the capacitor bank of a high-current pulse generator into the kinetic energy of an imploding plasma liner is analyzed. The analysis is performed by using a model consisting of LC circuit equations and equations of motion of a cylindrical shell. It is shown that efficient energy conversion can be attained only with a low-inductance generator. The mode of an "ideal" load is considered where the load current at the final stage of implosion is close to zero. The advantages of this mode are, first, high efficiency of energy conversion (80%) and, second, improved stability of the shell implosion. In addition, for inertial confinement fusion realized by the scheme of a Z pinch dynamic hohlraum, not one but several fusion targets can be placed in the cavity on the pinch axis due to the large length of the liner.

Original languageEnglish
Article number112505
JournalPhysics of Plasmas
Volume20
Issue number11
DOIs
Publication statusPublished - 1 Nov 2013
Externally publishedYes

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ASJC Scopus subject areas

  • Condensed Matter Physics

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