Trent XWB-79B

Turbofan · Rolls-Royce
Reaction Turbines
Maximum Takeoff Thrust
355.2 kN
Bypass Ratio
9.15
Overall Pressure Ratio
38.80983
Fuel Flow Take Off
2.601 kg/s
NOx Unitaryto CAEP8
78.4 % of limit

Architecture

Fan Fan Stages — Fan Blades — Fan Technology — Fan Pressure Ratio —
Gearbox Geared Fan No Gear — Reduction Ratio —
LP compressor Low-Pressure Compressor Stages — Low-Pressure Compressor Technology — BP Compressor Pressure Ratio —
IP compressor Intermediary-Pressure Compressor Stages — Intermediary-Pressure Compressor Technology — IP Compressor Pressure Ratio —
HP compressor High-Pressure Compressor Stages — High-Pressure Compressor Technology — HP Compressor Pressure Ratio —
Combustor Combustion Chamber Phase5 Tiled
HP turbine High Pressure Compressor Stages — High-Pressure Turbine Technology —
IP turbine Intermediary-Pressure Turbine Stages — Intermediary-Pressure Turbine Technology —
LP turbine Low-Pressure Turbine Stages — Low-Pressure Turbine Technology —
Whole engine Streams 2 Bypass Ratio 9.15 Overall Pressure Ratio 38.80983 Afterburner No

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Similar reaction turbines

Name Aircraft Engine Manufacturer Maximum Takeoff Thrust (kN) Bypass Ratio Overall Pressure Ratio
Trent XWB-79 Rolls-Royce 355.2 9.15 38.80983 Compare
Trent XWB-79B Rolls-Royce 355.2 9.15 38.8 Compare
Trent XWB-79BEP Rolls-Royce 355.17 8.89 41.52 Compare
Trent XWB-79EP Rolls-Royce 355.17 8.89 41.52 Compare
Trent 1000-J2 Rolls-Royce 350.9 9.04 46.08 Compare
Trent 1000-K2 Rolls-Royce 350.9 9.04 46.08 Compare
All data (64 fields)
Name
Trent XWB-79B
EASA ID
14RR074
Aircraft Engine Manufacturer
Rolls-Royce
Aircraft Engine Type
Turbofan
Geared Fan
No
Combustion Chamber
Phase5 Tiled
Afterburner
No
Streams
2
Bypass Ratio
9.15
Overall Pressure Ratio
38.80983
Maximum Takeoff Thrust (kN)
355.2
Hydrocarbon Take Off (g/kg fuel)
0
Hydrocarbon Climb Out (g/kg fuel)
0
Hydrocarbon Approach (g/kg fuel)
0
Hydrocarbon Idle (g/kg fuel)
1.11
Hydrocarbon Unitary Average (g/kN)
1.37
Hydrocarbon Unitary Sigma (g/kN)
0.04
Hydrocarbon Unitary Range (g/kN)
1.34-1.4
Hydrocarbon Unitary Characteristic (g/kN)
1.78
Hydrocarbon Unitary Characteristicto Regulatory (% of limit)
9.1
Hydrocarbon LTO (g)
486
Carbon Monoxide Take Off (g/kg fuel)
0.37
Carbon Monoxide Climb Out (g/kg fuel)
0.42
Carbon Monoxide Approach (g/kg fuel)
1.36
Carbon Monoxide Idle (g/kg fuel)
22.51
Carbon Monoxide Unitary Average (g/kN)
28.8
Carbon Monoxide Unitary SD (g/kN)
2.37
Carbon Monoxide Unitary Range (g/kN)
27.12-30.48
Carbon Monoxide Unitary Characteristic (g/kN)
32.8
Carbon Monoxide Unitary Characteristicto Regulatory (% of limit)
27.8
NOx Take Off (g/kg fuel)
40.55
NOx Climb Out (g/kg fuel)
31.15
NOx Approach (g/kg fuel)
10.95
NOx Idle (g/kg fuel)
4.55
NOx Unitary Average (g/kN)
48.3
NOx Unitary SD (g/kN)
0.7
NOx Unitary Range (g/kN)
47.8-48.8
NOx Unitary Characteristic (g/kN)
53.11
NOx Unitaryto Standard (% of limit)
45.2
NOx Unitaryto CAEP2 (% of limit)
56.4
NOx Unitaryto CAEP4 (% of limit)
62.8
NOx Unitaryto CAEP6 (% of limit)
69.4
NOx Unitaryto CAEP8 (% of limit)
78.4
NOx LTO (g)
17154
Smoke Take Off (SN)
6
Smoke Climb Out (SN)
6.9
Smoke Approach (SN)
6.1
Smoke Idle (SN)
1.3
Smoke Max (SN)
9.93
Smoke Sigma (SN)
3.004
Smoke Range (SN)
7.8-12.1
Smoke Characteristic (SN)
11.64
Smoke Characteristicto Regulatory (% of limit)
69.6
Fuel Flow Take Off (kg/s)
2.601
Fuel Flow Climbout (kg/s)
2.129
Fuel Flow Approach (kg/s)
0.755
Fuel Flow Idle (kg/s)
0.28
Fuel LTO (kg)
1008
Fuel Venting Compliant
No
Carbon Monoxide LTO (g)
10227
Emissions Data Status
C
Emissions Data Superseded
Yes
Emissions Superseded By
18RR077
NOx Compliance Demonstration
2.3.2 e)