Study of the effect of Au impurity on the ignition conditions of DT fuel in fusion plasma using the inertial confinement method

Abstract

The conditions of ignition and burn of nuclear fusion fuel in the presence of impurities are one of the critical issues in the fuel pellets design. In this paper, the impurity effect of Au heavy nucleus on all ignition processes in non-equilibrium DT plasma using four temperature models in which the shape of photon energy distribution function effects photon temperature behavior has been investigated. This study investigates the negative effects of fuel impurity during hot spot formation and fuel ignition. The results of numerical calculations obtained from the simulation of all effective processes in ignition show that in the presence of these impurities, effective ion charge and as a result the bremsstrahlung radiation is increased, and eventually the fuel efficiency decreases.

Keywords

• inertial confinement fusion
• volume ignition
• bremsstrahlung radiation
• gold impurity