科研之友
微信
新浪微博
Facebook
分享链接
摘要
The nuclear reaction of deuterium-tritium (D-T) fusion by the usual magnetic or inertial confinement suffers from a number of difficulties and problems caused by tritium handling, neutron damage to materials and neutron-induced radioactivity, etc. The study of the nuclear synthesis reaction of deuterium-helium-3 (D-He-3) at low collision energies (below 1 keV) is of interest for its applications in nuclear physics and astrophysics. Spherical tokamak (ST) reactors have a low aspect ratio and can confine plasma with beta approximate to 1. These capabilities of ST reactors are due to the use of the alternative D-He-3 reaction. In this work, the burn condition of D-He-3 reaction was calculated by using zero-dimensional particles and power equations, and, with the use of the parameters of the ST reactor, the stability limit of D-He-3 reaction was calculated and then the results were compared with those of D-T reaction. The obtained results show that the burn conditions of D-He-3 reaction required a higher temperature and had a much more limited temperature range in comparison to those of D-T reaction.
- 出版日期2015-2
