Investigations of vortex dynamics driven primary breakup in diesel spray based on multiphase lattice Boltzmann flux solver
Yue Wang,
De-Ming Li,
Jun-Long Liu
et al.
Abstract:During the fuel injection process, there is competition, merging, and entrainment between the Rayleigh–Taylor and Kelvin–Helmholtz instabilities, eventually leading to the formation of jet turbulence. The associated vortex dynamics is crucial for understanding the micro-evolution of surface waves on fuel spray. Considering the characteristics of fuel jet with large density ratios, a pressure-corrected multiphase lattice Boltzmann flux solver is proposed in this study, coupled with the Cahn–Hilliard model, to c… Show more
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