The simple pnnclple of correspondmg states may be generahzed to Include substances that depart from strict conformahty by mtroducmg state dependent shape factors Tins approach IS applied to thermal conductlvlty, and a general correlation IS presented for the shape factors Muting rules derived from s
Generalized corresponding states correlation for self-diffusion coefficients of fluids
β Scribed by S. Murad
- Publisher
- Elsevier Science
- Year
- 1981
- Tongue
- English
- Weight
- 218 KB
- Volume
- 36
- Category
- Article
- ISSN
- 0009-2509
No coin nor oath required. For personal study only.
β¦ Synopsis
The simple principleof correspondingstatesmay begeneralized toincludesuhstances that departfrom strict conformality by introducing state dependent shape factors. This approach is applied to self-diffusion coefficient using a modified Enskog dense gas theory. Results are obtained for both saturated liquids and supercritical fluids and are generally within experimental error.
π SIMILAR VOLUMES
## Abstract A corresponding states approach has been used successfully to correlate reduced selfβdiffusivity of pure liquids with reduced temperature and acentric factor. In addition, dimensional analysis techniques have been used to accurately relate viscosity, normal boiling point and temperature
The self-diffusion coeffkient, shear viscosity and thermal conductivity of the Lennard-Jones fluid have been determined over essentially the whole phase diagram at densities below the solid-fluid coexistence line. This data is fitted to simple expressions developed from those proposed by Dymond.