The burn performance of tritium-poor deuterium fuels, in conditions relevant to ICF fast ignitors, have been studied by two-dimensional numerical simulations. Compressed spheres of deuterium with an eccentric DT seed, ignited by an ultrapowerful external beam, have been considered. The dependence of the fuel energy gain on the fuel mass and energy, and on the tritium fractional content FT has been studied. Limiting gain curves (maximum gain achieved for a given fuel energy) have been found for fixed values of FT and of the isentrope parameter α, and have been compared with those for equimolar DT fuels with various compressed configurations. A region in parameter space has been found where net tritium breeding is obtained.
Potentialy of Tritium-Poor Fuels for ICF Fast Ignitors / Atzeni, Stefano; Ciampi, M. L.. - In: FUSION ENGINEERING AND DESIGN. - ISSN 0920-3796. - STAMPA. - 44:(1999), pp. 225-231. (Intervento presentato al convegno IAEA Technical Committee Meeting on Drivers and Ignition Facilities for Inertial Fusion tenutosi a Osaka, Japan nel 10–14 March 1997) [10.1016/S0920-3796(98)00266-X].
Potentialy of Tritium-Poor Fuels for ICF Fast Ignitors
ATZENI, Stefano;
1999
Abstract
The burn performance of tritium-poor deuterium fuels, in conditions relevant to ICF fast ignitors, have been studied by two-dimensional numerical simulations. Compressed spheres of deuterium with an eccentric DT seed, ignited by an ultrapowerful external beam, have been considered. The dependence of the fuel energy gain on the fuel mass and energy, and on the tritium fractional content FT has been studied. Limiting gain curves (maximum gain achieved for a given fuel energy) have been found for fixed values of FT and of the isentrope parameter α, and have been compared with those for equimolar DT fuels with various compressed configurations. A region in parameter space has been found where net tritium breeding is obtained.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.