Compare reaction turbines
All reaction turbines
|
Trent XWB-79B
✕
|
Trent XWB-79
✕
|
| EASA ID |
18RR077 |
14RR073 |
| Aircraft Engine Manufacturer |
Rolls-Royce |
Rolls-Royce |
| Aircraft Engine Type |
Turbofan |
Turbofan |
| Geared Fan |
No |
No |
| Combustion Chamber |
Phase5 Tiled |
Phase5 Tiled |
| Afterburner |
No |
No |
| Streams |
2 |
2 |
| Bypass Ratio |
9.15 |
9.15 |
| Overall Pressure Ratio |
38.8 |
38.80983 |
| Maximum Takeoff Thrust (kN) |
355.2 |
355.2 |
| Hydrocarbon Take Off (g/kg fuel) |
0 |
0 |
| Hydrocarbon Climb Out (g/kg fuel) |
0 |
0 |
| Hydrocarbon Approach (g/kg fuel) |
0.01 |
0 |
| Hydrocarbon Idle (g/kg fuel) |
1.22 |
1.11 |
| Hydrocarbon Unitary Average (g/kN) |
1.5 |
1.37 |
| Hydrocarbon Unitary Sigma (g/kN) |
0.23 |
0.04 |
| Hydrocarbon Unitary Range (g/kN) |
1.34-1.77 |
1.34-1.4 |
| Hydrocarbon Unitary Characteristic (g/kN) |
1.75 |
1.78 |
| Hydrocarbon Unitary Characteristicto Regulatory (% of limit) |
8.9 |
9.1 |
| Hydrocarbon LTO (g) |
534 |
486 |
| Carbon Monoxide Take Off (g/kg fuel) |
0.39 |
0.37 |
| Carbon Monoxide Climb Out (g/kg fuel) |
0.4 |
0.42 |
| Carbon Monoxide Approach (g/kg fuel) |
1.36 |
1.36 |
| Carbon Monoxide Idle (g/kg fuel) |
23.37 |
22.51 |
| Carbon Monoxide Unitary Average (g/kN) |
29.84 |
28.8 |
| Carbon Monoxide Unitary SD (g/kN) |
2.46 |
2.37 |
| Carbon Monoxide Unitary Range (g/kN) |
27.12-31.92 |
27.12-30.48 |
| Carbon Monoxide Unitary Characteristic (g/kN) |
32.27 |
32.8 |
| Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) |
27.3 |
27.8 |
| NOx Take Off (g/kg fuel) |
40.2 |
40.55 |
| NOx Climb Out (g/kg fuel) |
30.88 |
31.15 |
| NOx Approach (g/kg fuel) |
10.59 |
10.95 |
| NOx Idle (g/kg fuel) |
4.23 |
4.55 |
| NOx Unitary Average (g/kN) |
47.4 |
48.3 |
| NOx Unitary SD (g/kN) |
1.64 |
0.7 |
| NOx Unitary Range (g/kN) |
45.6-48.8 |
47.8-48.8 |
| NOx Unitary Characteristic (g/kN) |
50.21 |
53.11 |
| NOx Unitaryto Standard (% of limit) |
42.7 |
45.2 |
| NOx Unitaryto CAEP2 (% of limit) |
53.4 |
56.4 |
| NOx Unitaryto CAEP4 (% of limit) |
59.3 |
62.8 |
| NOx Unitaryto CAEP6 (% of limit) |
65.6 |
69.4 |
| NOx Unitaryto CAEP8 (% of limit) |
74.1 |
78.4 |
| NOx LTO (g) |
16834 |
17154 |
| Smoke Take Off (SN) |
5.8 |
6 |
| Smoke Climb Out (SN) |
7 |
6.9 |
| Smoke Approach (SN) |
6.5 |
6.1 |
| Smoke Idle (SN) |
1.6 |
1.3 |
| Smoke Max (SN) |
10.3 |
9.93 |
| Smoke Sigma (SN) |
2.2 |
3.004 |
| Smoke Range (SN) |
7.8-12.1 |
7.8-12.1 |
| Smoke Characteristic (SN) |
11.3 |
11.64 |
| Smoke Characteristicto Regulatory (% of limit) |
67.4 |
69.6 |
| Fuel Flow Take Off (kg/s) |
2.601 |
2.601 |
| Fuel Flow Climbout (kg/s) |
2.129 |
2.129 |
| Fuel Flow Approach (kg/s) |
0.755 |
0.755 |
| Fuel Flow Idle (kg/s) |
0.28 |
0.28 |
| Fuel LTO (kg) |
1008 |
1008 |
| Fuel Venting Compliant |
Yes |
No |
| Carbon Monoxide LTO (g) |
10597 |
10227 |
| Emissions Data Status |
C/R |
C |
| Emissions Data Superseded |
Yes |
Yes |
| Emissions Superseded By |
01P18RR122 |
18RR078 |
| NOx Compliance Demonstration |
2.3.2 e) |
2.3.2 e) |