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A New Concept for Augmented Van der Waals Equations of State

  1. 1.
    0354869 - ÚCHP 2011 RIV NL eng J - Článek v odborném periodiku
    Nezbeda, Ivo - Melnyk, R. - Trokhymchuk, A.
    A New Concept for Augmented Van der Waals Equations of State.
    Journal of Supercritical Fluids. Roč. 55, č. 2 (2010), s. 448-454. ISSN 0896-8446. E-ISSN 1872-8162
    Grant CEP: GA AV ČR IAA400720710
    Výzkumný záměr: CEZ:AV0Z40720504
    Klíčová slova: perturbation theory * molecular-based equation of state * yukawa fluid
    Kód oboru RIV: CF - Fyzikální chemie a teoretická chemie
    Impakt faktor: 2.986, rok: 2010

    A novel approach to perturbed equations of state for simple fluids is presented and its advantages over the traditional perturbed hard sphere equations are demonstrated by its application to several model fluids. The approach is based on a short range Yukawa reference which incorporates, in addition to repulsive interactions, also attractive interactions at short separations. The considered models of common interest are the Sutherland, Lennard-Jones, and EXP6 fluids. It is shown that using the proposed approach the reference system captures a good deal of properties of the studied fluids and that an accurate equation of state can be obtained using only the crude mean field (augmented van der Waals) approach.
    Trvalý link: http://hdl.handle.net/11104/0193775

     
     
Počet záznamů: 1  

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