We have developed a model for the calculation of the thermophysical properties (pressure, internal energy, conductivity, thermal conductivity, and thermal power) and the chemical composition of gallium plasma at temperatures 10–100 kK and densities less than 6 g/cm3. In this area, there have not been any published data on the considered properties for gallium plasma until now. The model was constructed on the basis of the chemical approach and relaxation time approximation. We have also estimated the region of applicability of the model due to the used approximations.

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