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Latin American applied research
versão impressa ISSN 0327-0793
Resumo
PAREDES, M.L.L.; SANTOS, J.M.T. e BEZERRA, E.S.. A new correlativa model for surface tension of mixtures: hidrocarbon mixtures. Lat. Am. appl. res. [online]. 2012, vol.42, n.4, pp.389-395. ISSN 0327-0793.
This article presents a new correlative model for surface tension of mixtures. This model is an extension of a predictive model recently proposed by our group. Other correlative models were evaluated and compared to the proposed model. Hydrocarbons mixtures exhibiting chemical nature or shape and chain size asymmetries were chosen as the standard to test the performance of the chosen models at several temperatures. A total of 1433 experimental data was used. All of the correlative models studied showed very good results. However, an F-test study pointed out that there are still opportunities in modeling for describing the studied data within the experimental uncertainties.
Palavras-chave : Surface Tension; Modeling; Mixtures; Hydrocarbons.