Variable slip coefficient in binary lattice Boltzmann models

• Autorzy: Lajos Szalmás
• Języki publikacji: EN

Abstrakty

EN

We present a new method in order to obtain variable slip coefficient in binary lattice Boltzmann models to simulate gaseous flows. We present the Boundary layer theory. We study both the single-and multi-fluid BGK-type models as well. The boundary slip and the Knudsen layer are analyzed in detail. Benchmark simulations are carried out in order to compare the analytical derivation with the numerical results. Excellent agreement is found between the two analytical formalism and the numerical simulations.

Słowa kluczowe

EN

lattice Boltzmann; binary mixtures; slip coefficient; microflows; Knudsen number

• Czasopismo: Open Physics
• Rocznik: 2008
• Tom: 6
• Numer: 4
• Strony: 786-791

Daty

wydano

2008-12-01

online

2008-09-27

Twórcy

autor

Lajos Szalmás

• Department of Physics, University of Rome “La Sapienza”, Piazzale Aldo Moro 2, Rome, 00185, Italy,

Bibliografia

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Identyfikatory

DOI

10.2478/s00000-008-0103-6