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RESEARCH PRODUCT
Phase coexistence in finite van der Waals systems
Michael SeidlM. ManninenA. Rytkönensubject
Van der Waals equationParticle numberChemistryBiophysicsThermodynamicsCondensed Matter PhysicsTheorem of corresponding statesPhysics::Fluid Dynamicssymbols.namesakeMolecular dynamicsPhase (matter)symbolsVan der Waals radiusPhysical and Theoretical Chemistryvan der Waals forceMolecular BiologyPhase diagramdescription
Phase coexistence in finite systems obeying van der Waals equation of state is studied by minimizing a model free energy function for a spherical liquid droplet and a gaseous phase around it. Phase diagrams are calculated for finite systems with a large range of sizes. According to this model, the highest temperature where a droplet and vapour can exist in equilibrium decreases as N −0.4, where N is the number of particles in the system. The model predicts higher equilibrium vapour pressures than molecular dynamics simulations.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 1999-01-20 |