Research Article
Performance Evaluation of a Small-Scale Turbojet Engine Running on Palm Oil Biodiesel Blends
Table 4
GasTurb input parameters for cycle analysis at 66000 rpm.
| | Input name as shown in GasTurb 11 | Established reference variable | Value |
| | Total temperature | | 300 K |
| | Ambient pressure Pamb | | 101.1 kPa |
| | Relative humidity | | 50% (based on average hygrometer readings in laboratory over test period) |
| | Inlet Corr. Flow W2Rstd | | 0.767 kg/s (from experimental results for Jet A-1) |
| | Pressure ratio | | 2.63 (established from experimental results) |
| | Burner exit temperature | | 1133.3 K (Jet A-1) | | 1150 K (B20) |
| | Burner design efficiency | | 0.82 |
| | Fuel heating value | FHV or | 46.190 MJ/kg (Jet A-1); dependent on test fuel. FHV obtained from Table 3 |
| | Mechanical efficiency | | 0.8815 (as iterated by GasTurb) |
| | Compressor efficiency | | 0.77 |
| | Nominal spool speed | | 66000 rpm |
| | Turbine efficiency | | 0.82 |
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