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Fluids of Pseudo-Hard Bodies: From Simulations to Equations of State

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    0324982 - ÚCHP 2009 RIV NL eng J - Journal Article
    Rouha, M. - Nezbeda, Ivo
    Fluids of Pseudo-Hard Bodies: From Simulations to Equations of State.
    [Tekutiny pseudotuhých těles: Od simulací ke stavové rovnici.]
    Fluid Phase Equilibria. Roč. 278, 1-2 (2009), s. 15-19. ISSN 0378-3812. E-ISSN 1879-0224
    R&D Projects: GA AV ČR IAA400720710; GA AV ČR IAA400720802
    Institutional research plan: CEZ:AV0Z40720504
    Keywords : pseudo-hard bodies * virial coefficients * perturbed virial expansion
    Subject RIV: CF - Physical ; Theoretical Chemistry
    Impact factor: 1.857, year: 2009

    Thermodynamic properties of a number of fluids of pseudo-hard bodies (PHB), representing non-additive excluded volume effects in selected polar and associating real fluids, have been studied by Monte Carlo (MC) simulations. Virial coefficients up to the fourth one have been determined and used in various semi-theoretical equations of state. It is shown that the perturbed virial expansion (PVE) about an appropriately chosen effective hard sphere (HS) reference is able to describe the thermodynamic behavior of the considered fluids quite accurately.

    Metodou Monte Carlo byly studovány různé tekutiny pseudotuhých těles představující odpudivé interakce v ve vybraných polárních a asociujících tekutinách. Byly vypočítány viriální koeficienty a zkonstruována stavová rovnice ve tvaru poruchového viriálního rozvoje, která popisuje docela přesně termodynamické vlastnosti uvažovaných tekutin.
    Permanent Link: http://hdl.handle.net/11104/0172550

     
     
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