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On the Velocity Non-Equilibrium for Two-Phase Flow Computations

Abstract : A fully hyperbolic and fully conservative mixture conservation laws that treat the relative motion in gas-liquid two-phase flows is presented. These laws are based on compressible gas-liquid two-phase flow with velocity and pressure non-equilibrium. The resulting theoretical model accounts for the interaction between the gas and liquid phases with more reasonable physical meaning. Within this framework, the distinctness of the model conservation laws enables a straightforward extension and application of single-phase fluid dynamics numerical methods. Computations are carried out and presented. It is found that the interfacial friction source term has a strong influence on both the parameters and the wave structure in non-equilibrium two-phase flows.
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https://hal.archives-ouvertes.fr/hal-00724717
Contributor : Eric Goncalves Da Silva Connect in order to contact the contributor
Submitted on : Wednesday, August 22, 2012 - 2:16:45 PM
Last modification on : Wednesday, October 20, 2021 - 12:58:11 AM

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  • HAL Id : hal-00724717, version 1

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Dia Zeidan, Eric Goncalvès da Silva. On the Velocity Non-Equilibrium for Two-Phase Flow Computations. International Conference on Diffusion in Solids and Liquids, Jun 2012, Istanbul, Turkey. heat and mass transfer in porous media. ⟨hal-00724717⟩

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