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Preparation and Liner Compression of Plasma From an Ultrahigh Speed Flow

Preparation and Liner Compression of Plasma From an Ultrahigh Speed Flow,10.1109/TPS.2007.914169,IEEE Transactions on Plasma Science,Peter J. Turchi,N

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Preparation and Liner Compression of Plasma From an Ultrahigh Speed Flow   (Citations: 2)
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Preparation of the target plasma represents a critical issue in liner compression techniques to achieve fusion conditions. We consider the use of an ultrahigh speed plasma flow from a special coaxial-gun arrangement known as the plasma flow switch. Experiments have demonstrated that this arrangement can provide plasma flows with speeds in excess of 2000 km/s. Stagnation of such a plasma flow results in fully stripped aluminum plasma with electron temperatures of 30 keV. Substitution of deuterium or a deuterium-tritium mixture could provide target plasma at kilovolt temperatures within an imploding liner. Such temperatures suggest that, even if substantial heat loss occurred during liner compression, fusion-level temperatures would be possible. The concatenation of events to generate the ultrahigh speed flow, to direct it into the implosion chamber, and to arrange liner dynamics for effective compression demands numerical simulation, which is based on initial analytical estimates. Both types of calculation for exploring this concept are discussed.
Journal: IEEE Transactions on Plasma Science - IEEE TRANS PLASMA SCI , vol. 36, no. 1, pp. 92-103, 2008
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    • ...“Dark” corresponds to 3kg/m 3 , “medium” is 0.03 kg/m 3 , and “light” is 3 × 10 �4 kg/m 3 , where the sizes are in meters [26]...
    • ...It has also been discussed in the context of the ultrahigh-speed flow from a PFS [26]...
    • ...The MACH2 simulations of such experiments [26] indicate that we would obtain a nonequi-...
    • ...Fig. 11. Use of PFS to provide a plasma that is magnetized by the azimuthal field for thermal insulation during electromagnetically driven liner compression to higher densities [26]...

    Peter J. Turchi, et al. Review of Some Plasma Gun Techniques for Fusion at Megagauss Energy De...

    • ...The high values of effective heat-conductivity coefficients can make it difficult to produce a high-temperature magnetized plasma in the new systems for liner compression of plasma from an ultrahigh speed flow discussed in [11]...

    Sergey F. Garanin. Surface Discharges in Strong Magnetic Fields

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