2001 volume 33(1)
doi:10.1068/htwu244

Cite as:
Marcelli G, Sadus R, 2001, "Three-body interactions and the phase equilibria of mixtures" High Temperatures - High Pressures 33(1) 111 – 118

Three-body interactions and the phase equilibria of mixtures

Gianluca Marcelli, Richard Sadus

Received 05 April 2000

Abstract. Gibbs ensemble Monte-Carlo simulations are reported for the vapour - liquid phase coexistence of the binary argon + krypton mixture. The calculations employ accurate two-body potentials in addition to contributions from three-body dispersion resulting from third-order triple-dipole interactions. The calculations are in good overall agreement with experiment. The composition of coexisting vapour and liquid phases is relatively unaffected by three-body interactions. In contrast, three-body interactions affect substantially the density of the liquid phase.

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