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The information in this presentation is proprietary and confidential and shall not be disclosed to or
used by a third party unless specifically authorised by the relevant GKN plc group company.
FT 2019 - AEROSPACE TECHNOLOGY CONGRESS 2019
GKN Aerospace involvement the Clean Sky 2 engine demonstrators
Fredrik Wallin, Robert Lundberg, Anders Sjunnesson
2019-10-09
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Core Partner on Major Demonstrators
Ultra High Propulsion Efficiency – SAFRAN (WP2)
> GKN responsible for ICF & TRF
Advanced Geared Engine Configuration – MTU (WP4)
> GKN responsible for LPC/IMC & TEC/EE
Very High Bypass Ratio – Rolls-Royce (WP6)
> GKN responsible for ICC
Open Rotor – Safran (LPA)
> GKN responsible for rotating frames
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GKN Notional Engine
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GKN Notional Engine
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Development Logic – Turbine Frames
Universities
Institutes
Product applications
Production
TRL
INTERFACE - Low TRL project coordination
1-3
3-6+
6+
EIS/Time
INTERFACE – Technology insertion
NSA (Medium term)NMA (Near term)
2018/2019
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Safran Open Rotor
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Safran UHPE (Ultra High Propulsive Efficiency)
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Proprietary and confidential restrictions on title slide apply throughout this presentation
UHPE – Intermediate Compressor Frame
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Process development
Inspection methodology
Surface treatment
Engineering methods
Material data
Specifications
EBM best-practice
Feature test
Composite material & supplier
Composite design system
Composite manufacturing
Surface & Fire protection system
Joining Technologies
Low-weight structural compressor frame through
hybrid composite/metallic fabricated design
Technology Scope
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Proprietary and confidential restrictions on title slide apply throughout this presentation
UHPR – Turbine Rear Frame
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Robust superalloy fabrication
AM technology maturing through product
prototyping and mechanical testing
Testing to validate aerodynamic design space
Multi-objective Design Optimization
Producibility
Performance
CostTechnology Scope
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Varying requirements
Va
ryin
gco
nce
pts
Multi-objective Design Optimization
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Proprietary and confidential restrictions on title slide apply throughout this presentation
Intermediate Compressor Case (ICC)
Very High Bypass Ratio – Rolls-Royce UltraFan
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Thick welding
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MTU - Advanced Geared Engine Configuration
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Proprietary and confidential restrictions on title slide apply throughout this presentation
GKN Turbine Exit
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Technology Scope
Superalloy additive manufacturing
Validation of aerothermal function
Optimization methodology for AM
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Proprietary and confidential restrictions on title slide apply throughout this presentation
Compression System
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Technology Scope
Reduced module/engine length through integrated design
Increased overall module efficiency through improved & validated design tools
Reduced cost through advanced machining & inspection technology
Increased functionality through efficient bleed system design
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Technology Demonstration & Validation Through a Logical Series of Rig Tests
Build 0 – particle separation testing of baseline ICD
Build 1 – exploring the ICD design space by windtunnel tests
Build 2 – 2-spool compressor rig to verify an optimized integrated compression system
Build 3 – quantify the full potential through notional engine
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The information in this presentation is proprietary and confidential and shall not be disclosed to or
used by a third party unless specifically authorised by the relevant GKN plc group company.
Thank you for your attention!
Questions?