Abstract
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 language | English |
|---|---|
| Pages (from-to) | 469-489 |
| Number of pages | 21 |
| Journal | International Journal for Numerical Methods in Fluids |
| Volume | 50 |
| Issue number | 4 |
| DOIs | |
| State | Published - Feb 10 2006 |
Keywords
- Distribution
- Droplet
- Finger
- Impact
- Linear theories
- Satellite
- Seconday instability
- Shattering
- Splashing
- Spray
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