Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/4612
Title: Onsager consistency checks for multicomponent diffusion models
Authors: Zielinski, John M.
Alsoy Altınkaya, Sacide
Alsoy Altınkaya, Sacide
Izmir Institute of Technology. Chemical Engineering
Keywords: Cross coefficients
Drying
Friction coefficients
Multicomponent diffusion
Mutual diffusion
Onsager
Self-diffusion
Issue Date: Jul-2001
Publisher: John Wiley and Sons Inc.
Source: Zielinski, J. M., and Alsoy, S. (2001). Onsager consistency checks for multicomponent diffusion models. Journal of Polymer Science, Part B: Polymer Physics, 39(13), 1496-1504, doi:10.1002/polb.1121
Abstract: The Onsager reciprocity relations are applied to several recently proposed multicomponent diffusion models in an attempt to gauge their validity and ascertain their applicability. Each of these friction-based diffusion models stems from the more general Bearman formalism through various assumptions regarding the individual friction coefficients. By assessing the compliance of the Bearman model with respect to the Onsager relations, we ascertain the validity of the simplifications introduced to each diffusion model and suggest which postulates lead to results consistent with the Onsager relations. Although some models are not consistent with the Onsager relations, each model predicts the multicomponent drying of polymer films reasonably well. The necessity for consistency with the Onsager development is, therefore, revisited.
URI: http://doi.org/10.1002/polb.1121
http://hdl.handle.net/11147/4612
ISSN: 0887-6266
0887-6266
1099-0488
Appears in Collections:Chemical Engineering / Kimya Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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