INDIRECT DRIVE FOR INERTIAL FUSION ENERGY

被引:2
|
作者
CARUSO, A
STRANGIO, C
机构
[1] Associazione EURATOM-ENEA sulla Fusione, 65-00044, Frascati, Roma, C.E. Frascati C.P.
关键词
D O I
10.1017/S026303460000700X
中图分类号
O59 [应用物理学];
学科分类号
摘要
A spherical scheme is introduced for indirect drive, having as reference the application to inertial fusion energy. The concept uses the transmission of a radiation wave through a high-Z, low-density spherical radiator surrounding the capsule to be imploded. The low conversion efficiency to in-cavity radiation is somewhat compensated by using modest radiator-to-capsule gaps, the smoothing effects on the longest dominant nonuniformity wavelengths due to this separation being of the order of 10. Another factor of the order of 100-500 is related to the consequent use of a large number of beams. From the application of the loop condition relative to power plants, it is found that this approach becomes practicable if drivers with efficiencies greater than 10% are assumed and if the fraction of circulating power is allowed to be 0.5, this implying a unitary cost of energy about a factor 1.5 greater than that associated to the more conventional fraction of 0.25.
引用
收藏
页码:149 / 156
页数:8
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