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Spent fuel transfer project completed at INL
Work crews at Idaho National Laboratory have transferred 40 spent nuclear fuel canisters into long-term storage vaults, the Department of Energy’s Office of Environmental Management has reported.
V. Ya. Goloborod'ko, Ya. I. Kolesnichenko, S. N. Reznik, V. A. Yavorskij
Fusion Science and Technology | Volume 25 | Number 3 | May 1994 | Pages 249-257
Technical Paper | Alpha-Particle Special / Plasma Engineering | doi.org/10.13182/FST94-A30281
Articles are hosted by Taylor and Francis Online.
A kinetic equation is derived for the neoclassical distribution function of alpha particles with orbits intersecting or approaching the magnetic axis of a tokamak. This equation takes into account both the collisional slowing down and the pitch-angle scattering of alpha particles. An equation with a simplified pitchangle scattering term is solved analytically, and the distribution function obtained is used to find the alpha-particle bootstrap current at the magnetic axis. It is shown that the pitch-angle scattering leads to an alpha-particle current in the near-axis region that is larger than the one predicted from early neoclassical theory, which allows only for the slowing down of alpha particles.