It is shown that transverse injection of a hypervelocity high-density spheromak plasmoid into a tokamak plasma may be a viable fueling scheme. Three important processes occur and are discussed individually: establishment of equilibrium, slowing down, and disassembly of the compact toroid.

• Received 22 December 1987

DOI:https://doi.org/10.1103/PhysRevLett.61.1364