| Issue |
EPL
Volume 80, Number 5, December 2007
|
|
|---|---|---|
| Article Number | 56002 | |
| Number of page(s) | 6 | |
| Section | Condensed Matter: Structural, Mechanical and Thermal Properties | |
| DOI | https://doi.org/10.1209/0295-5075/80/56002 | |
| Published online | 26 October 2007 | |
Thermodynamic properties and liquid-gas phase diagram of the dipolar hard-sphere fluid
1
Institute for Condensed Matter Physics - Svientsitskoho 1, 79011 Lviv, Ukraine
2
Department of Chemical Engineering, Vanderbilt University - Nashville, TN 37235-1604, USA
3
Chemical Sciences Division, Oak Ridge National Laboratory - Oak Ridge, TN 27831-6110, USA
Received:
21
August
2007
Accepted:
4
October
2007
A version of the thermodynamic perturbation theory for associative fluids with central force associative potential is developed. The theory is used to describe thermodynamic properties of the fluid of dipolar hard spheres at intermediate and low temperatures. The accuracy of the theory proposed ranges from quantitative at intermediate temperatures to qualitative at low temperatures. The liquid-gas phase diagram with the critical point located in reasonable agreement with the prediction of a recent computer simulation estimate is calculated.
PACS: 64.10.+h – General theory of equations of state and phase equilibria / 64.70.Fx – Liquid-vapor transitions / 82.70.Dd – Colloids
© Europhysics Letters Association, 2007
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