large aircraft propulsion for the future...product evolution trent xwb advance world’s most...
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Large aircraft propulsion for the future Evolution and revolution
Professor Ric Parker CBE, FREng
28 July 2014
AIAA Propulsion and Energy Forum
Cleveland, USA
The state of the art… today
Trent XWB – The world’s most efficient aero engine
The state of the art… today
Product evolution Trent XWB Advance
World’s most
efficient engine
11+ Bypass Ratio
60+ Overall Pressure Ratio
20%+ Efficiency relative to Trent 700
2020+ Technology EIS Readiness
Product evolution Trent XWB Advance UltraFan™
World’s most
efficient engine
11+ 15+ Bypass Ratio
60+ 70+ Overall Pressure Ratio
20%+ 25%+ Efficiency relative to Trent 700
2020+ 2025+ Technology EIS Readiness
Product evolution
Advance Core Advance Core 3 Stage Turbine Core
Trent XWB Advance UltraFan™
World’s most
efficient engine
Geared Multi Stage IPT System Lightweight LPT System Lightweight LPT System
Variable Pitch CTi Fan System CTi Fan System Hollow Ti Fan System
Integrated Slim Line Nacelle
(No Thrust Reverser) Integrated Propulsion System Integrated Propulsion System
Product evolution
Trent XWB Advance UltraFan™ Open Rotor
World’s most
efficient engine
11:1+ 15:1+ Bypass Ratio
60:1+ 70:1+ Overall Pressure Ratio
20%+ 25%+ Eff relative to Trent 700
2020+ 2025+ Technology EIS Readiness
50:1+
70:1+
30%+
Airframe Dependant
NASA N+2 Environmentally Responsible Aviation (ERA) Project Advanced Vehicle Concept Studies
Future Concepts – Greener Aircraft
Copyright © 2013 Rolls-Royce, plc All rights reserved.
Northrop Grumman
Boeing
Lockheed Martin
Fuelburn Noise Emissions Fuelburn Noise Emissions
Fuelburn
Noise
Emissions
All are still very
much at the concept
stage working on
Vision 20 EIS
Northrop Grumman
9
DORA (Distributed Open Rotor Aircraft)
Distributed Electrical Aerospace Propulsion (DEAP)
UK Technology Strategy Board and Industry funded project
Partners: Airbus Innovation Works, Rolls-Royce and University of Cranfield;
Key innovative technologies for improved fuel economy
reduced exhaust emission
reduced noise emissions
Distributed Electrical Propulsion (DP)
Boundary Layer Ingestion (BLI);
10
Copyright © 2013 Rolls-Royce, plc All rights reserved.
Electrically-Powered Fans
Single Advanced Gas Turbine
Power Electronics
DEAP - E-Thrust concept
11
Better Power for a Changing World