A hybrid Eulerian-Lagrangian method for LES of atomising spray

F. Ham, Y. N. Young, S. Apte, M. Hermann

Research output: Contribution to journalConference articlepeer-review

4 Scopus citations


Our goal in the this work is to develop a hybrid Eulerian-Lagrangian technique for simulating the breakup and atomization of liquid jets. The large scales associated with the primary breakup of the liquid jet are captured using an Eulerian surface capturing technique. The present formulation uses the particle level set method of Enright el al. [3] implemented on an adaptive Cartesian mesh. The small scales associated with secondary breakup are modeled using a stochastic sub-grid model by tracking the droplets in a Lagrangian framework [1]. The transition from primary (Eulerian) to secondary (Lagrangian) atomization is defined implicitly by the local grid resolution, taking place when the liquid interface can no longer be properly resolved on the grid. The sub-grid droplets thus formed may undergo further breakup according to the secondary breakup model. The formulation is developed and several preliminary cases of drop breakup are performed.

Original languageEnglish (US)
Pages (from-to)313-322
Number of pages10
JournalAdvances in Fluid Mechanics
StatePublished - 2004
Externally publishedYes
EventSecond International Conference on Computational Methods in Multiphase Flow, MULTIPHASE FLOW II - Santa Fe, NM, United States
Duration: Nov 3 2003Nov 5 2003

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Mechanical Engineering


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