Spinodal decomposition in multicomponent fluid mixtures: A molecular dynamics study
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Spinodal decomposition in multicomponent fluid mixtures : A molecular dynamics study. / Laradji, Mohamed; Mouritsen, Ole G.; Toxvaerd, Søren.
In: Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics, Vol. 53, No. 4, 01.01.1996, p. 3673-3681.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Spinodal decomposition in multicomponent fluid mixtures
T2 - A molecular dynamics study
AU - Laradji, Mohamed
AU - Mouritsen, Ole G.
AU - Toxvaerd, Søren
PY - 1996/1/1
Y1 - 1996/1/1
N2 - We have investigated the effect of the number [Formula Presented] of components on the dynamics of phase separation in two-dimensional symmetric multicomponent fluids. In contrast to concentrated two-dimensional binary fluids, where the growth dynamics is controlled by the coupling of the velocity field to the order parameter, leading to large growth-exponent values, the dynamics in multicomponent fluids ([Formula Presented]) is found to follow a [Formula Presented] growth law, where [Formula Presented] is time, which we relate to a long-wavelength evaporation-condensation process. These findings, which are proposed to be consequences of the compact domain structure persisting in multicomponent fluids, imply that hydrodynamic modes do not affect the dynamics of the phase separation in these systems.
AB - We have investigated the effect of the number [Formula Presented] of components on the dynamics of phase separation in two-dimensional symmetric multicomponent fluids. In contrast to concentrated two-dimensional binary fluids, where the growth dynamics is controlled by the coupling of the velocity field to the order parameter, leading to large growth-exponent values, the dynamics in multicomponent fluids ([Formula Presented]) is found to follow a [Formula Presented] growth law, where [Formula Presented] is time, which we relate to a long-wavelength evaporation-condensation process. These findings, which are proposed to be consequences of the compact domain structure persisting in multicomponent fluids, imply that hydrodynamic modes do not affect the dynamics of the phase separation in these systems.
UR - http://www.scopus.com/inward/record.url?scp=0042937031&partnerID=8YFLogxK
U2 - 10.1103/PhysRevE.53.3673
DO - 10.1103/PhysRevE.53.3673
M3 - Journal article
AN - SCOPUS:0042937031
VL - 53
SP - 3673
EP - 3681
JO - Physical Review E
JF - Physical Review E
SN - 2470-0045
IS - 4
ER -
ID: 236887654