In this paper, a computational method is presented that addresses the problem of multiphase flow characterized by phases with significant density ratio accompanied by strong shearing. The Coupled Level-Set Volume-of-Fluid (CLSVOF) technique is used for interface tracking, while the momentum transfer is coupled to that of mass by means of momentum fluxes computed using a sub-grid. This is an extended adaptation of Rudman’s volume tracking technique . The new method is shown to conserve kinetic energy when applied to cases otherwise unfeasible, such as shear layer with high density ratio.
- Fluids Engineering Division
A Consistent Mass and Momentum Flux Computation Method Using Rudman-Type Technique With a CLSVOF Solver
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Vaudor, G, Berlemont, A, Ménard, T, & Doring, M. "A Consistent Mass and Momentum Flux Computation Method Using Rudman-Type Technique With a CLSVOF Solver." Proceedings of the ASME 2014 4th Joint US-European Fluids Engineering Division Summer Meeting collocated with the ASME 2014 12th International Conference on Nanochannels, Microchannels, and Minichannels. Volume 1C, Symposia: Fundamental Issues and Perspectives in Fluid Mechanics; Industrial and Environmental Applications of Fluid Mechanics; Issues and Perspectives in Automotive Flows; Gas-Solid Flows: Dedicated to the Memory of Professor Clayton T. Crowe; Numerical Methods for Multiphase Flow; Transport Phenomena in Energy Conversion From Clean and Sustainable Resources; Transport Phenomena in Materials Processing and Manufacturing Processes. Chicago, Illinois, USA. August 3–7, 2014. V01CT23A012. ASME. https://doi.org/10.1115/FEDSM2014-21802
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