Table 1
Comparison of IFPEN, PPRIME, and PRISME vessels when set for spray A experiments.
| IFPEN | PPRIME | PRISME | |
|---|---|---|---|
| Vessel | CVP | RCM | NOSE (RCM) |
| Volume at SOI (cm3) | 1400 | 131 | ~240 |
| Displacement | – | 1050 cm3 | 3354 cm3 |
| Compression ratio | – | 9:1 | 15:1 |
| Injector mounting | Center side window | Center upper window | Center upper window |
| Injector tip protrusion from wall (mm) | 3 | 4 | 4 and 6 |
| Gas composition at SOI: inert (% mol) | N2/CO2/H2O: 88.5/9.3/2.2 | N2/Ar: 58/42 | N2: 100 |
| Gas composition at SOI: reactive (% mol) | O2/N2/CO2/H2O: 15/73.5/9.3/2.2 | O2/N2/Ar: 15/40/45 | O2/N2: 15/85 |
| Heat capacity Cp at SOI (kJ/kg K) | 1.21 | 0.89 | 1.14 |
| Gas fill | Sequential | Premixed | Premixed |
| Wall/body temperature (K) | 473 | 363 | 373 |
| Optical access | Cylindrical | Square | Rectangular |
| Window size | 80 mm diameter | 50 × 50 mm2 | 80 × 25 mm2 |
| Number of optical access | 5 | 3 | 4 |
| Injector # | 306.15 | 306.14 | 306.19 |