Model of pulsed electric discharge expansion in dense gas, taking into account electron and radiative thermal conductivities. IV. Limiting brightness of discharge radiation

摘要

Based on the relation between the radiation brightness B (R) of the pulsed high-current electric discharge in dense gas (Xe, Kr, Ar, Ne, He, N_2, and air at atmospheric pressure and above) and its temperature, the dependence of the limiting brightness B (LIM) of discharge channel radiation on ionization potentials of atoms of mentioned gases was obtained, and the condition under which the brightness saturation is achieved was determined. It was shown that this dependence is in agreement with experimental data of various researchers.