The diffusion coefficient of '%r in natural krypton has been measured as a function of density. T'hc results deviate significantly from the values predicted by the Enskog theory. At low densities. the behaviour can be described by regarding the gas as a monomer-dimer mixture.
Molecular-dynamical calculations of the self-diffusion coefficient below the critical density
β Scribed by J.P.J. Michels; N.J. Trappeniers
- Publisher
- Elsevier Science
- Year
- 1975
- Tongue
- English
- Weight
- 497 KB
- Volume
- 33
- Category
- Article
- ISSN
- 0009-2614
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β¦ Synopsis
By inems of 2 moiecul~ dynemic d method the s=lfdXfusion coelficient of gseous systems hzve been c;i!cul~ted at densities below the critic& it has been four,d thei the artrzctive pxt of tie ilXCiZlOICcUls~ potcr+I !lZS 2 EZ2rk&!e ii!fluence on the density dependence of diffution. h:oreowr, sho;t-time effects ir. the behzviour of the iTl0City 2utocoire!Ztioa fmxiion, due to attractive forw, have been detected.
π SIMILAR VOLUMES
The self-diffusion coefficient D of water in ferrierite at an average density of 6.6 molecules per unit cell and 298 K has been computed from a molecular dynamics simulation and the Einstein relation. The estimated value of D is 0.5 x 10mJ cm's\_ ' and agrees with experimental results.
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