Thermal conductivity of some mixtures of monatomic gases at room temperature and at pressures up to 15 MPa

The paper reports measurements of the thermal conductivity of eight gaseous mixtures of monatomic gases. The group of systems studied consists of three binary mixtures of neon and argon, four binary mixtures of helium and argon and a ternary mixture of neon, argon and krypton. The measurements have been carried out in a transient hot-wire instrument at 27.5°C and within the pressure range 0.5–15 MPa. The accuracy of the experimental data is estimated to be one of ±0.2%. The experimental data for each mixture as a function of density are represented, within their uncertainty, by a polynomial of second degree in density.