The new simple extended corresponding-states principle: complex molecular transport properties in dilute gas state

The new simple extended corresponding-states principle to accurately correl ate and predict the transport properties in dilute gas for chemically diver se set of compounds from the Chapman-Enskog theory is presented. The extend ed corresponding-states principle is further testified to be successful in reflecting the physical behavior of substances whose force fields deviate f rom the spherical molecule argon. Satisfactory results are obtained for sim ple, nonpolar, polar, hydro-bonding and associating compounds. Once substan ce-dependent parameters such as the critical. parameters and acentric facto r are known, the transport properties may be reliably predicted. The paper presented here provides a general method to describe and predict the transp ort properties of all classes of molecules in the dilute gas in contrast to the existing theoretically-based models. (C) 2001 Elsevier Science B.V. Al l rights reserved.