Bulk viscosity universality and scaling function near the binary liquid consolute point
2009 | journal article. A publication with affiliation to the University of Göttingen.
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Bulk viscosity universality and scaling function near the binary liquid consolute point
Bhattacharjee, J. K.; Iwanowski, I. & Kaatze, U. (2009)
The Journal of Chemical Physics, 131(17) art. 174502. DOI: https://doi.org/10.1063/1.3258279
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Details
- Authors
- Bhattacharjee, Jayanta K.; Iwanowski, Ireneusz; Kaatze, Udo
- Abstract
- The hydrodynamical equations and the notion of a frequency dependent complex specific heat near the critical point of binary liquids are used to obtain an expression for the low-frequency bulk viscosity. In this way the interrelations between different theoretical models, treating the critical sound attenuation from either a specific heat or a bulk viscosity approach, are made evident. The general structure of the bulk viscosity relation agrees with that of Onuki [Phys. Rev. E 55, 403 (1997)] but a universal number emerges only if a normalization to the critical point value is done.
- Issue Date
- 2009
- Status
- published
- Publisher
- Amer Inst Physics
- Journal
- The Journal of Chemical Physics
- ISSN
- 1089-7690; 0021-9606