Calculation and experimental investigations of the transport coefficients and thermodynamic properties of a helium-xenonmixture are reviewed. It seems that a combination of approaches of the Chapman-Enskog kinetic theory and the theory of corresponding states of dense gas is most promising. This combined approach results in semiempirical relationships for calculating the density, coefficient of dynamic viscosity, thermal conductivity coefficient, specific heat capacity at constant pressure, and specific heat capacity at constant volume. These relationships consider the influence of the temperature and pressure, and also the ratio of mixture components. For a fixed ratio of mixture components, the calculation algorithms constructed by the authors with the use of such semiempirical relationships are in good agreement with the engineering calculation procedure in which the influence of mixture components is not considered, whereas the influence of temperature and pressure is considered by simple formulas in a form of polynomials.
