期刊
COMPTES RENDUS MECANIQUE
卷 339, 期 5, 页码 318-323出版社
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.crme.2011.03.008
关键词
Thermodiffusion; Soret effect; Species separation; Molecular dynamics; Simulations
类别
Microgravity experiments and molecular dynamics simulations have been performed to study thermodiffusion of ternary mixtures composed of methane, n-butane and n-dodecane in petroleum reservoirs conditions. The simulations showed in both cases that methane and n-butane tend to migrate towards the hot side while n-dodecane tends to migrate towards the cold side. Some of the experimental results showed the same trend but with much larger amplitudes. Finally, a simulation of an idealized fluid column composed of one of the ternary mixture emphasizes that thermodiffusion can have a large impact on the vertical distribution of the components in a petroleum reservoir. (C) 2011 Academie des sciences. Published by Elsevier Masson SAS. All rights reserved.
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