Exploring the relationship between dimensionless calorimetric parameter and transport properties of saturated gases

The relations between the scaled transport properties of saturated gases with a dimensionless calorimetric parameter were explored in this work. Similar with the quasi-universal linear behavior between the scaled viscosity and self-diffusion coefficient with dimensionless calorimetric parameter in saturated liquids, data analysis revealed that quasi-universal curvilinear correlations exist. Then, by transforming the form of the dimensionless calorimetric parameter, simple linear equations for calculating transport properties have been derived. Further analysis revealed a one-dimensional correlation between the slopes and intercepts for the linear equations of each gas, allowing for the proposal of one-parameter models for viscosity and self-diffusion coefficient estimation. Validation against experimental viscosity data for saturated gases showed that the two parameter models constructed in this work have average deviations of 4.12% and that of the one-parameter models have average deviations of 4.52%, respectively, demonstrating good reliability. This research introduces a new method and perspective for calculating the transport properties of saturated gases.