Table 1
PIV parameters.
| Parameter | Value |
|---|---|
| Particle image size | 3–4 pixels/particle |
| Interrogation size and overlap | 32 × 32 pixels and 50% |
| Particle image density per interrogation window | 10–15 particles |
| Laser sheet thickness | 1 mm |
| Time interval between two pulses | 20 μs |
| Frame resolution | 1 frame/5 CAD |
| Spatial resolution | Planes AA and DD: 0.121 mm/pixel |
| Planes BB and EE: 0.133 mm/pixel | |
| Plane CC: 0.140 mm/pixel |