Table 4
Summary of Schlieren set-ups to study vapor penetration.
| IFPEN_CVP | NOSE | PPRIME_RCM | |
|---|---|---|---|
| Light source | Continuous laser (460 nm) | LED (white) + 1 mm pinhole | Ion laser |
| Laser + aspheric lens | |||
| Other optic | Converging lens + diaphragm (to have point light source) | 2 parabolic mirrors (d = 108 mm, f = 837 mm) | Concave mirror |
| Lens 1 (f = 1000 mm) | |||
| Detector | Photron SA-5 | Phantom-V1611 | Photron SA-Z |
| Collecting system | 2× bi-convex lens (500 mm) for parallelization and collection | Lens: f = 300 mm | Lens 2 (f = 500 mm) |
| 6 mm pinhole | Knife edge + diffuser | ||
| Camera Lens | 80 mm f/1.8 + diaphragm | n.a. | Sigma 105 mm f/2.8 |
| Frame speed | 42 kHz | 39 kHz | 42 kHz |
| Exposure time | 5 μs | 5 μs | 1 μs |
| Image size (pi2) | 704 × 224 | 1024 × 400 | 600 × 640 |
| Magnification | 7.98 pix/mm | 12.3 pix/mm | 11.6 pix/mm |