Numerical Analysis for Effects of Irradiation Nonuniformities on Target Implosion.I.2-Dimensional Simulation
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概要
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Effects of irradiation nonuniformities on target implosion and ignition conditionsfor inertial-confinement fusior? with ion beams are studied by using a 2-dimensionalcode. The following results are obtained. When thc: beam energy is 5 MJ which is 1.6times the threshold beam energy (=3.2 MJ) in the spherical syrnmetric case, ignitionoccurs if the peak-to-valley nonuniformity rate is smaller than 0.05. On the otherhand, this value rises up to 0.1 when the beam energy is 7 MJ, i.e., it is 2.2 times thethreshold beam energy in the spherical symrnetric case. Furthermore, the ignition condition is the severest for the nonuniforrnity with tlte largest spatial scale.[inertial-confinement fusion, two-dimensional sinrulation,irradiation nonunifor- ll mitiesll
- 1988-06-15
著者
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Takeda Hiroshi
Institute For Supercomputing Research (isr) Recruit Co. Ltd.
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Niu Keishiro
Department Of Energy Science The Graduate School At Nagatsuta Tokyo Institute Of Technology
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