TRANSPORT PROPERTIES OF DICHLORODIFLUOROMETHANE IN THE TEMPERATURE RANGE OF 280-450 K

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Abstract
Thermal conductivity of research grade pure dichlorodifluoromethane is measured in the temperature range 280-450 K employing the thermal conductivity column method. These data are compared with the most probable recommended values based on several data sets which scatter appreciably from each other. The molecular kinetic theory in conjunction with the Lennard-Jones (12-6) potential is employed to predict all the three transport properties of this gas. The inter-relations between the kinetic theory expressions for the viscosity and diffusion coefficients, which are essentially independent of the choice of intermolecular potential, are also used to predict these two properties.