Abstract
We present exact results for mixtures of nonadditive hard disks and use some of them to derive a consistent model for the equation of state. We also performed molecular dynamics simulation for hard disks over a wide range of size ratios. Comparison of the model to the data shows that the model is accurate for all densities in the case of additive and slightly nonadditive (nonadditivity parameter within ±0.1) mixtures. For large nonadditivity, the model is accurate for low to moderate densities only, and starts to deteriorate at high densities.
| Original language | English |
|---|---|
| Pages (from-to) | 33-47 |
| Number of pages | 15 |
| Journal | Fluid Phase Equilibria |
| Volume | 154 |
| Issue number | 1 |
| DOIs | |
| State | Published - 4 Jan 1999 |
Keywords
- Equation of state
- Hard disks
- Mixture
- Molecular simulation
- Nonadditive
ASJC Scopus subject areas
- General Chemical Engineering
- General Physics and Astronomy
- Physical and Theoretical Chemistry
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