This paper describes the numerical modeling of radiation parameters in cavities of centimetric sizes irradiated by X-rays from an imploding double-cascade Z-pinch. The semi-empirical parameters of the imploding liner are determined from ananalysis of the experiments on PBFA-Z installation. The results of 2-D scaling calculations of intensity, temperature and radiation symmetry in cavities of centimetric sizes for a wide range of current values in the liner system are presented. Theforecasts for installations X- 1 and EMIR are also presented.
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