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Excelsior University student section awarded community education grant
The American Nuclear Society Student Section at Excelsior University in Albany, N.Y., was awarded a $5,000 grant from the ANS Student Section Strategic Fund initiative for its program, Empowering Tomorrow’s Nuclear Innovators: A Collaborative Approach to Nuclear Technology Education and Awareness.
Geoffrey W. Shuy, Ali E. Dabiri, Husam Gurol
Fusion Science and Technology | Volume 9 | Number 3 | May 1986 | Pages 459-475
Technical Paper | Fusion Reactors | doi.org/10.13182/FST86-A24732
Articles are hosted by Taylor and Francis Online.
A system of neutron-lean tandem mirror satellite reactors using the deuterium-3He (D-3He) fuel cycle has been assessed. The 3He fuel is produced via a breeder reactor, also based on the tandem mirror reactor (TMR) concept. The TMR concept was selected because, for the satellite reactors, the fusion energy is mostly in charged-particle form, so efficient, direct energy conversion can be used. For the breeder, the TMR gives a higher maximum achievable support ratio than other concepts give. The optimum satellite operating temperature was found to be ∼75 keV. The safety and cost of the satellite/breeder system were assessed. The D-3He fuel cycle becomes particularly attractive if the deuterium-deuterium (D-D) reaction can be suppressed by nuclear spin polarization. For perfect D-D reaction suppression, this would allow immediate hands-on maintainability of reactor components and allow for reduction in the magnet dimensions, since the shield would no longer be required. For no D-D reaction suppression, ∼3% of the fusion power will be in neutrons. This will then require the use of ∼40-cm shielding, along with activation concerns. Hands-on maintenance f or the satellite reactor is possible even without D-D reaction suppression, if low-activation materials are used. The radioactivity level of the 3He breeder is comparable to that of a deuterium-tritium reactor. The cost of electricity for the system, including the fuel costs, is estimated f or this system.