Hollow poly(alpha-methylstyrene) shells for inertial confinement fusion targets
نویسندگان
چکیده
منابع مشابه
Production of Hollow Microspheres for Inertial Confinement Fusion Experiments
The targets used in inertial confinement fusion (ICF) experiments at the Lawrence Livermore National Laboratory are plastic capsules roughly 0.5 mm in diameter. The capsules, which typically have wall thicknesses from 20 to 60 p, must possess extraordinary symmetry and concentricity and must have surface finishes of less than 1000 A peak-to-valley variation over surface contours of from 10 to 1...
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The stagnation pressure p(s) of imploding cylindrical ( n = 2) and spherical ( n = 3) shells is found to scale as p(s)/p(0)~M(2(n+1)/(gamma+1))(0), where M0 is the Mach number of the imploding shell and p(0) its maximum pressure. The result holds approximately for Mach numbers in the range 2<M0<25 relevant for inertial confinement fusion capsules and is of key importance for their ignition ener...
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LLE Review, Volume 80 185 In inertial confinement fusion (ICF), a spherical shell filled with a DT-gas mixture is compressed to high densities and temperatures to achieve ignition condition.1 Degradation from spherical symmetry during the implosion, however, limits the achievable compression ratios and could quench the ignition. The main source of such asymmetry is hydrodynamic instabilities (s...
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Mixing of plastic ablator material, doped with Cu and Ge dopants, deep into the hot spot of ignition-scale inertial confinement fusion implosions by hydrodynamic instabilities is diagnosed with x-ray spectroscopy on the National Ignition Facility. The amount of hot-spot mix mass is determined from the absolute brightness of the emergent Cu and Ge K-shell emission. The Cu and Ge dopants placed a...
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Clusters of condensed deuterium of densities up to 10 cm in pores in solid oxide crystals were confirmed from time-of-flight mass spectrometry measurements. Based on these facts, a schematic outline and possible conclusions of expectable generalizations are presented which may lead to a simplification of laser driven fusion energy including new techniques for preparation of targets for applicat...
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ژورنال
عنوان ژورنال: Journal of Physics: Conference Series
سال: 2017
ISSN: 1742-6588,1742-6596
DOI: 10.1088/1742-6596/907/1/012020