Abstract
An experimental study was carried out to determine the correlation between die internal flow in a circular nozzle and elliptical nozzles with the external flow. The flow rate, spray angle and drop size were measured under various conditions of me injection pressure. Numerical simulations were attempted to investigate the internal flow structure in the elliptical nozzles, because the experimental study was limited in its measurements of flow velocity and pressure distributions in the relatively small orifice. In me case of me elliptical nozzles, the disintegration characteristics of the liquid jet were significantly different from those of die circular nozzle. Surface breakup was observed at the jet issued from the elliptical nozzles with injection pressure. This is due to the internal flow structure, which is reattached to the orifice wall at the minor axis plane of me elliptical nozzle, unlike that observed with the circular nozzle.
| Original language | English |
|---|---|
| Pages (from-to) | 325-333 |
| Number of pages | 9 |
| Journal | Transactions of the Korean Society of Mechanical Engineers, B |
| Volume | 36 |
| Issue number | 3 |
| DOIs | |
| State | Published - Mar 2012 |
Keywords
- Cavitations
- Elliptical nozzle
- Internal nozzle flow