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Mesoscale modelling of miscible and immiscible multicomponent fluids.

ABSTRACT: A mesoscopic simulation method based on the integration of dissipative particle dynamics (DPD), smoothed particle hydrodynamics (SPH) and computational thermodynamics (CT) has been developed. The kinetic behaviours of miscible and immiscible fluids were investigated. The interaction force between multicomponent mesoscopic particles is derived from the system free energy. The diffusivity of the components in non-ideal solution is determined by the chemical potential. The proposed method provides convincing predictions to the effects of convection, diffusion and microscopic interaction on the non-equilibrium evolution of engineering fluids, and demonstrates a potential to simulate more complicated phenomena in materials processing.

SUBMITTER: Zhao ZC

PROVIDER: S-EPMC6547870 | biostudies-literature | 2019 Jun

REPOSITORIES: biostudies-literature

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Mesoscale modelling of miscible and immiscible multicomponent fluids.

Zhao Z C ZC Moat R J RJ Qin R S RS

Scientific reports 20190604 1

A mesoscopic simulation method based on the integration of dissipative particle dynamics (DPD), smoothed particle hydrodynamics (SPH) and computational thermodynamics (CT) has been developed. The kinetic behaviours of miscible and immiscible fluids were investigated. The interaction force between multicomponent mesoscopic particles is derived from the system free energy. The diffusivity of the components in non-ideal solution is determined by the chemical potential. The proposed method provides ...[more]

PMID: 31164701

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