The 3 Generation of AviationPiston Engines GENERATION Jet Engines GENERATION 1 Electrification st 2nd 3rd Generations of aviation propulsion . Not Subject to Export Control Private

The 3rd Generation of Aviation Bosch ConnectedWorld 2020

© 2020 Rolls-Royce Rolls-Royce Proprietary Information

Paul Stein, Rolls-Royce Chief Technology Officer

20th February 2020 The information in this document is proprietary and confidential to Rolls-Royce and is available to authorised recipients only copying and onward distribution is prohibited other than for the purpose for which it was made available.

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GENERATION

Piston Engines

GENERATION

Jet Engines

GENERATION

Electrification 1st 2nd 3rd

Generations of aviation propulsion

Not Subject to Export Control

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Increase in Aircraft Passenger Numbers

Aircraft passenger numbers predicted to continue to grow

1970: 310 million

1990: 1 billion

2010: 2.6 billion

2019: 4.2 billion

2025: 5 billion (est.)

2050: > 8 billion (est.)

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Aviation is 3% of man-made CO2

But that percentage will grow between now and 2050.

SOURCE: IEA CO2 Emissions from Fuel and by Transport

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41% Electricity & Heat

3% Other

8% Residential &

Services

18% Road

24% Industry

3% Aviation

3% Shipping & Rail

Man-Made Global CO2 Emissions by Sector

33,000 MT CO2


Key areas of focus in Civil Aerospace

All closely inter-connected and being developed in parallel

All have a role to play in the decarbonisation of our industry

Increasing platform efficiency

Sustainable Aviation Fuels

Disruptive 3rd generation technologies

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Evolution of wide body aero engines

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Trent family

Technology demonstrator engine targets

ACARE (Advisory Council for Aviation Research and Innovation in Europe) Flightpath 2050 target

Trent 500

Trent 800

Trent 900

Trent 1000

Trent XWB

Advance

UltraFan®

Trent 700

More electric UltraFan® Variable pitch fan

Fully variable cycles with power transfer

SFC

EIS year

0%

15%

25%

30%

20%

10%

5%

2000 2010 2020 2030 20402035 © 2020 Rolls-Royce Private | Not Subject to Export Control


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UltraFan key technologies An enhanced IP turbine drives the fan via a power gearbox, allowing deletion of the LP turbine

Dynamic Sealing Smart adaptive systems High torque density shafts

Environment

Adaptive cooling system

Advance3 core

Lean burn combustion

2nd gen high strength Ni alloy

Multi stage IP

Fuel burn

Maintenance

Advanced CTi fan system

Advanced Powerplant integration

Advanced hybrid ceramic bearings

Power gearbox

Low speed fan system

Advanced turbine casting and CMCs


8 ©2020 Rolls-Royce plc and/ or its subsidiaries Renewables Nuclear

Sustainable Aviation Fuel (SAF)

Synthetic Fuels “eFuels”

Critical to the decarbonisation of our industry

Latest Trent and business jet engines are already compatible with blended SAF

Biomass Waste

Biofuels


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Electrification of Aviation

2040 2030 2025

MoM & WIDE BODY

REGIONAL HYBRID

EVTOL


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Business sensitivity classification | © 2018 Rolls-Royce Business proprietary classification Export Control classification

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10 10 Electrification in Aerospace Private | Not subject to Export Control | © 2020 Rolls-Royce

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But technology will pace progression

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Mobility as a Service

Electric vertical take-off and landing (EVTOL)

Urban Air Mobility (UAM)

Realistic near-term applications based on hybrid-electric and all-electric technologies

Personal transport, public transport, logistics, air ambulance, police and military applications

© Aston Martin

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Mobility as a Service providers plan to develop Urban Air

Mobility sometime this decade



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12 Electrification in Civil Aerospace Private | Not subject to Export Control | © 2019 Rolls-Royce

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E-Fan X

Developing the world’s most powerful flying generator A serial hybrid architecture designed to demonstrate that the fundamental challenges of hybrid-electric propulsion at this scale can be overcome A building block towards hybrid electric commercial aircraft at the scale of today’s single aisle family and beyond

A hybrid-electric demonstrator for regional aviation • 2.5MW Generator • 2MW Electrically-

driven fan • Battery capable of

delivering 2MW

Scheduled to fly in

2021

In partnership with:

Airbus

ATI UK

Clean Sky 2

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Harnessing digital capability as a low-carbon tool

Computing power and analytical capability save time, energy and waste across the lifecycle:

• Design, build, test and analyse in the computer (virtually)

• Digital manufacturing and processes such as ALM

• Services to maximise the efficiency of our engines in operation

A sustainable future for aviation © 2019 Rolls-Royce | Not Subject to Export Control

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Sustainable aviation is being driven through improving engines, sustainable aviation fuels and novel propulsion methods including electrification

The jet engine will be with us for the next 40 years on most passenger carrying aircrafts

Electrification is set to disrupt smaller aircrafts and regional transportation



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The 3 Generation of AviationPiston Engines GENERATION Jet Engines GENERATION 1 Electrification st 2nd 3rd Generations of aviation propulsion . Not Subject to Export Control Private