Open Access
Table 1
Definition of engine operating points.
| Condition number (–) | Speed (r/min) | PMEP (bar) | Excess air coefficient (–) | FMEP (bar) | Charging efficiency (–) | Turbine efficiency (%) | Compressor efficiency (%) | Intercooling efficiency (%) | Power (kW) |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1000 | 10 | 1.3 | 1 | 0.87 | 62 | 69.5 | 80 | 20.83 |
| 2 | 2000 | 18.09 | 1.371 | 1.7 | 0.89 | 62 | 74 | 80 | 75.36 |
| 3 | 2500 | 17.9 | 1.407 | 1.84 | 0.9 | 63 | 75.5 | 80 | 93.21 |
| 4 | 3000 | 16.5 | 1.443 | 2.1 | 0.84 | 64 | 68 | 80 | 103.1 |
| 5 | 4000 | 13.8 | 1.5 | 2.7 | 0.8 | 65 | 67.5 | 80 | 115 |
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