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A New Concept for Augmented Van der Waals Equations of State
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SYSNO ASEP 0354869 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název A New Concept for Augmented Van der Waals Equations of State Tvůrce(i) Nezbeda, Ivo (UCHP-M) RID, ORCID, SAI
Melnyk, R. (UA)
Trokhymchuk, A. (UA)Zdroj.dok. Journal of Supercritical Fluids. - : Elsevier - ISSN 0896-8446
Roč. 55, č. 2 (2010), s. 448-454Poč.str. 7 s. Jazyk dok. eng - angličtina Země vyd. NL - Nizozemsko Klíč. slova perturbation theory ; molecular-based equation of state ; yukawa fluid Vědní obor RIV CF - Fyzikální chemie a teoretická chemie CEP IAA400720710 GA AV ČR - Akademie věd CEZ AV0Z40720504 - UCHP-M (2005-2011) UT WOS 000286444100006 DOI 10.1016/j.supflu.2010.10.041 Anotace 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. Pracoviště Ústav chemických procesů Kontakt Eva Jirsová, jirsova@icpf.cas.cz, Tel.: 220 390 227 Rok sběru 2011
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