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Title:
Fusion in a Staged Z-pinch
Authors:
Rahman, H. U.; Ney, P.; Rostoker, N.; Wessel, F. J.
Affiliation:
AA(Physics and Astronomy, Univ. of California), AB(Dept. Physics, Mount San Jacinto College), AC(Physics and Astronomy, Univ. of California), AD(Physics and Astronomy, Univ. of California)
Publication:
Astrophysics and Space Science, Volume 323, Issue 1, pp.51-55 (Ap&SS Homepage)
Publication Date:
09/2009
Origin:
SPRINGER
Keywords:
Magneto-inertial fusion
DOI:
10.1007/s10509-009-0028-4
Bibliographic Code:
2009Ap&SS.323...51R

Abstract

A Staged Z-pinch (H.U. Rahman, F.J. Wessel, N. Rostoker, Phys. Rev. Lett. 74:714, <CitationRef CitationID="CR5">1995</CitationRef>), configured for a 100 ns, 2 MJ implosion accelerator, is studied using the 2-1/2 D, radiation-MHD code, MACH2. The Z-pinch is configured as a cylindrical, high-atomic number plasma shell that implodes radially onto a co-axial, plasma target, for example: Xenon onto a 50:50 mixture of Deuterium-Tritium. During implosion a shock develops in the plasma liner, producing a conduction channel at the Xe/DT interface as the mass Xe accumulates, and preheating the DT target. During subsequent acceleration and compression the Xe/DT interface remains stable, even as the outer surface of the Xe shell develops RT instabilities. At peak implosion the simulated fusion-energy yield is 7.6 MJ, producing an energy gain of 3.8.
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