We determine the dependence of key inertial confinement fusion (ICF) hot spot properties on the deuterium-tritium (DT) fuel adiabat accomplished by addition of heat to the cold shell. Our main result is to observe...We determine the dependence of key inertial confinement fusion (ICF) hot spot properties on the deuterium-tritium (DT) fuel adiabat accomplished by addition of heat to the cold shell. Our main result is to observe that variation of this parameter reduces the simulation to experiment discrepancy in several experimentally inferred quantities. Simulations are continued from capsule only l D simulations using the Lawrence Livermore National Laboratory ICF code, HYDRA. The continuations employ the high energy density physics (HEDP) University of Chicago code, FLASH, and a hydro only code, FronTier, modified with a radiation equation of state (EOS) model. Hot spot densities, burn-weighted ion temperatures and pressures show a decreasing trend, while the hot spot radius shows an increasing trend in response to added heat to the cold shell. Instantaneous quantities are assessed at the time of maximum neutron production within each simulation.展开更多
文摘We determine the dependence of key inertial confinement fusion (ICF) hot spot properties on the deuterium-tritium (DT) fuel adiabat accomplished by addition of heat to the cold shell. Our main result is to observe that variation of this parameter reduces the simulation to experiment discrepancy in several experimentally inferred quantities. Simulations are continued from capsule only l D simulations using the Lawrence Livermore National Laboratory ICF code, HYDRA. The continuations employ the high energy density physics (HEDP) University of Chicago code, FLASH, and a hydro only code, FronTier, modified with a radiation equation of state (EOS) model. Hot spot densities, burn-weighted ion temperatures and pressures show a decreasing trend, while the hot spot radius shows an increasing trend in response to added heat to the cold shell. Instantaneous quantities are assessed at the time of maximum neutron production within each simulation.