Abstract
Civilization requires power. For a while it can get by with the power supplies we currently use, fossil fuel, nuclear fuel; and hydroelectric, solar and wind. Only the last 3 are sustainable. The first two will run out as some point, very likely well before the end of this century, especially if the less developed parts of the world come up to OECD standards. This paper makes the case that solar and wind are not up to the job, and neither is pure fusion, at least in this century. However, using fusion to breed fissile material for current nuclear reactors could play an important role well before century’s end. The requirements on a fusion device used as a breeder are considerably relaxed from the requirements for pure fusion. It is likely that an ITER type device, could be used for fusion breeding on a large scale. Fusion breeding can support nuclear fuel for civilization, at 30- 40 terawatts (TW), at least as far into the future as the dawn of civilization was in the past.
Highlights
The main, but not the only purpose of this paper is to argue for, and present research on fusion breeding as a sustainable power source
This paper argued that wind and solar cannot fill this role, and pure magnetic fusion cannot either, at least in this century, if ever
But only if some sort of breeding is used to provide fuel. It argued that fusion breeding can breed, and likely can do so well before century’s end, but that it is the best way to breed
Summary
The main, but not the only purpose of this paper is to argue for, and present research on fusion breeding as a sustainable power source. This is a tokamak like the others in Princeton and Europe, which have demonstrated short bursts of fusion; but the scientific prototype would run steady state or high duty cycle and breed its own tritium and recover unburned tritium. This author studied and researched fusion breeding, and has written several scientific publications on it between 1999 and 2021 [Manheimer, 1999, 2001, 2006, 2009, 2014, 2018, 2020 #1, 2020 #2, 2021 #1, Moir, 2013].
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