Modelling spray impingement using linear stability theories for droplet shattering

S. S. Yoon, P. E. DesJardin

Research output: Contribution to journalArticlepeer-review

19 Citations (Scopus)


This paper compares several linear-theory-based models for droplet shattering employed for simulations of spray impingement on flat wall surface or a circular cylinder. Numerical simulations are conducted using a stochastic separated flow (SSF) technique that includes sub-models for droplet dynamics and impact. Results for spray impingement over a flat wall indicate that the linear theory applicable for a single droplet impact over-predicts the number of satellite (or secondary) droplets upon shattering when compared to experimental data. The causes for the observed discrepancies are discussed. Numerical simulation results for spray impingement over a circular cylinder in cross flow are obtained and discussed.

Original languageEnglish
Pages (from-to)469-489
Number of pages21
JournalInternational Journal for Numerical Methods in Fluids
Issue number4
Publication statusPublished - 2006 Feb 10


  • Distribution
  • Droplet
  • Finger
  • Impact
  • Linear theories
  • Satellite
  • Seconday instability
  • Shattering
  • Splashing
  • Spray

ASJC Scopus subject areas

  • Computational Mechanics
  • Mechanics of Materials
  • Mechanical Engineering
  • Computer Science Applications
  • Applied Mathematics


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