Transport Properties Calculation for Some Pure Fluids Over Wide Ranges of Temperature and Pressure

摘要

The paper presents the results obtained from computation of transport properties (viscosity and thermal conductivity) for pure fluids, representing a polar associating fluid (H2O) and two non polar fluids (CO2 and CH4). The method of Chung et al. (1988) was applied for the prediction of transport properties using pseudo-experimental densities, and coupled with a cubic general equation of state (GEOS) for the calculation of fluids density. A comparison with available data (NIST data base) over wide ranges of pressure and temperature was made. The study reveals that the transport properties prediction based on GEOS densities is of the same accuracy as that given by using the pseudo-experimental values of density from NIST database for the three studied fluids.