Abstract
The interaction of hollow cone spray and crossflow is an important way to enhance the mixing of gas and liquid, but there is rare research to clarify the mechanism of this motion. Adapting PIV system, the characteristics of shear layer and droplet dispersion of hollow cone spray in crossflow were investigated. The results show that shear layer and unsteady vortex structure are induced in the direction of flow field, enhancing the diffusion of droplets and causing the concentration of droplets in the shear layer region. Three parameters including crossflow Reynolds number, droplet Reynolds number and flow rate of droplet quantity directly affect the shear layer structure in the mixing flow field. With dimensional and regression analysis, a predictive correlation for shear layer trajectories in mixing flow field is developed.
| Translated title of the contribution | Entrainment Characteristics of Hollow Cone Spray Droplets in Crossflow |
|---|---|
| Original language | Chinese (Traditional) |
| Pages (from-to) | 1792-1798 |
| Number of pages | 7 |
| Journal | Tuijin Jishu/Journal of Propulsion Technology |
| Volume | 40 |
| Issue number | 8 |
| DOIs | |
| State | Published - 1 Aug 2019 |
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