Simulation of impurity balance in the T-4 tokamak discharge

Integral energy losses with radiation, the effective ionic plasma charge and contribution of the basic types of plasma inpurities into these values were measured for the T-4 tokamak discharge. It is shown that to evaluate the mentioned plasma parameters it is sufficient to measure the absolute brightness of resonance lines of impurity ions of certain ionization factors along the central chord of plasma column cross section not applyjng to more complex measurements of spatial distribution of these line brightness, if the reliable calculation model of the diffusion and impurity radiation is available