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Technology requirements for fusion--fission reactors based on magnetic-mirror confinement
Technology requirements for mirror hybrid reactors are discussed. The required 120-keV neutral beams can use positive ions. The magnetic fields are 8 T or under and can use NbTi superconductors. The value of Q (where Q is the ratio of fusion power to injection power) should be in the range of 1 to 2 for economic reasons relating to the cost of recirculating power. The wall loading of 14-MeV neutrons should be in the range of 1 to 2 MW/m/sup 2/ for economic reasons. Five-times higher wall loading will likely be needed if fusion reactors are to be economical. The magnetic mirror experiments 2XIIB, TMX, and MFTF are described.
Date:
January 27, 1978
Creator:
Moir, Ralph W.
System:
The UNT Digital Library
Present and future technology of high voltage systems for neutral beam injections
This paper presents: (1) A brief review of existing neutral beam (NB) power supply technology for operating up to approximately 200 kV, 65 A; (2) Possibilities for using existing systems for next-generation NB sources, and associated problems; (3) A summary of the features of present systems which contribute to a high degree of complexity and/or cost; (4) A plea and proposal for minimizing cost and complexity of future systems operating up to approximately 300 kV; (5) A few comments pertaining to special problems associated with operating in the 300 to 1000-kV range; and (6) A listing of some specific task areas which we believe should receive early R and D effort.
Date:
January 27, 1978
Creator:
Baker, W. R. & Hopkins, D. B.
System:
The UNT Digital Library