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Phase separation in a chaotic flow | | L Berthier
; J L Barrat
; J Kurchan
; | | Date: |
5 Mar 2001 | | Journal: | Phys Rev Lett, 86 (10), 2014-7 | | Abstract: | The phase separation between two immiscible liquids advected by a bidimensional velocity field is investigated numerically by solving the corresponding Cahn-Hilliard equation. We study how the spinodal decomposition process depends on the presence-or absence-of Lagrangian chaos. A fully chaotic flow, in particular, limits the growth of domains, and for unequal volume fractions of the liquids, a characteristic exponential distribution of droplet sizes is obtained. The limiting domain size results from a balance between chaotic mixing and spinodal decomposition, measured in terms of Lyapunov exponent and diffusivity constant, respectively. | | Source: | PubMed, pmid11289843 | | Other source: | [GID 58408] cond-mat/0010236 | | Services: | Forum | Review | Favorites | |
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