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Modelling spray impingement using linear stability theories for droplet shattering
- Authors
- Yoon, SS; DesJardin, PE
- Issue Date
- 10-2월-2006
- Publisher
- WILEY
- Keywords
- shattering; splashing; finger; satellite; droplet; impact; linear theories; secondary instability; spray; distribution
- Citation
- INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS, v.50, no.4, pp.469 - 489
- Indexed
- SCIE
SCOPUS
- Volume
- 50
- Number
- 4
- Start Page
- 469
- End Page
- 489
- ISSN
- 0271-2091
- 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. Copyright (c) 2005 John Wiley & Sons, Ltd.
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Collections - College of Engineering > Department of Mechanical Engineering > 1. Journal Articles
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