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Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12128/12507
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dc.contributor.authorMarczak, Wojciech-
dc.contributor.authorAdamczyk, Natalia-
dc.contributor.authorŁężniak, Marta-
dc.date.accessioned2020-02-10T09:17:29Z-
dc.date.available2020-02-10T09:17:29Z-
dc.date.issued2012-
dc.identifier.citation"International Journal of Thermophysics" Vol. 33, no. 4 (2012), s. 680-691pl_PL
dc.identifier.issn0195-928X-
dc.identifier.issn1572-9567-
dc.identifier.urihttp://hdl.handle.net/20.500.12128/12507-
dc.description.abstractPrevious experiments demonstrated that microheterogeneities occur in liquid systems (2-methylpyridine or 2,6-dimethylpyridine) + water. They are most probably due to the association of the hydrates through hydrogen bonds between water molecules. Substitution of methanol for water causes that the mixtures become homogenous. The results of viscometric studies reported in this study confirmed that the molecular clusters in aqueous solutions are much larger than the complexes occurring in the methanolic systems. Taking into consideration “kinetic entities” rather than monomeric molecules, the dependence of viscosity on concentration and temperaturę have been satisfactorily approximated by the Grunberg-Nissan relation with two adjustable coefficients. The kinetic entities were trimers of water, dimers of methanol, and monomeric amines. The same approach proved to be valid for the activation energy of viscous flow as well.pl_PL
dc.language.isoenpl_PL
dc.rightsUznanie autorstwa-Użycie niekomercyjne 3.0 Polska*
dc.rights.urihttp://creativecommons.org/licenses/by-nc/3.0/pl/*
dc.subjectAqueous solutionspl_PL
dc.subjectGrunberg-Nissan modelpl_PL
dc.titleViscosity of associated mixtures approximated by the Grunberg-Nissan modelpl_PL
dc.typeinfo:eu-repo/semantics/articlepl_PL
dc.identifier.doi10.1007/s10765-011-1100-1-
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