15 Facts About Aneutronic fusion

Aneutronic fusion is any form of fusion power in which very little of the energy released is carried by neutrons.

However, the conditions required to harness aneutronic fusion are much more extreme than those required for deuterium-tritium fusion such as at ITER or Wendelstein 7-X.

Aneutronic fusion proposed to capture the kinetic energy of charged particles as they were exhausted from a fusion reactor and convert this into voltage to drive current.

Polywell fusion was pioneered by the late Robert W Bussard in 1995 and funded by the US Navy.

Support for other DPF aneutronic fusion investigations came from the Air Force Research Laboratory.

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Several Aneutronic fusion reactions produce no neutrons on any of their branches.

Aneutronic fusion occurs in only minuscule amounts on Earth, so it would either have to be bred from neutron reactions or mined from extraterrestrial sources.

Many studies of aneutronic fusion concentrate on the p–B reaction, which uses easily available fuel.

Since igniting the p–B reaction is much more difficult than D-T, alternatives to the usual tokamak Aneutronic fusion reactors are usually proposed, such as inertial confinement Aneutronic fusion.

The second reaction could in principle be suppressed relative to the desired Aneutronic fusion by removing the high energy tail of the ion distribution, but this would probably be prohibited by the power required to prevent the distribution from thermalizing.

Aneutronic fusion produces energy in the form of charged particles instead of neutrons.

Large majority of Aneutronic fusion research has gone toward D-T Aneutronic fusion, which is the easiest to achieve.

Combination of lower cross-section and higher loss rates in D-He Aneutronic fusion is offset to a degree because the reactants are mainly charged particles that deposit their energy in the plasma.

Proton–boron Aneutronic fusion requires ion energies, and thus plasma temperatures, some nine times higher than those for D-T Aneutronic fusion.

In most Aneutronic fusion plasmas, bremsstrahlung radiation is a major energy loss channel.