New Aero Engine Core Concepts

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Jodie McDowell
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1 The integrated Project New Aero Engine Core Concepts NEWAC Goals Project Structure New Core Concepts Technology Roadmap

ACARE Goals Implications to Aero Engine The ACARE Goals 2020 Half current perceived average noise levels 80% cut in NOx Reduce CO 2 per passenger km by 50% Affordability

2 ACARE Goals Implications to Aero Engine The ACARE Goals 2020 Half current perceived average noise levels 80% cut in NOx Reduce CO 2 per passenger km by 50% Affordability Engine contribution to ACARE goals (relative to 2000 in service engines) 10dB noise reduction at each certification point 80% reduction in NOx 20% fuel burn reduction Affordability 2

Engine Technology Roadmap SILENCER VITAL Noise reduction technologies Low

2000 in service engine LP component impr.

3 Engine Technology Roadmap SILENCER VITAL Noise reduction technologies Low spool components for DDTF, GTF and CRTF Engine Validation Concept 1 year 2000 in service engine LP component impr. New LP components ANTLE&CLEAN Component improvements, New components HP component impr. New components Engine Validation Concept x ACARE Reference EEFAE NEWAC Validation at engine level High spool components, Intercooler, Recuperator G. Wilfert

Impact of Bypass-Ratio (BPR) on Fuel Consumption / CO2 +12-15% 2 nd Generation BPR<5 PW2037 Fuel Consumption / CO2 Reference - 5-8 % - 10-12 % - 14-16 % - 20 % 3 rd Generation BPR=5-8 Trent 700,

4 Impact of Bypass-Ratio (BPR) on Fuel Consumption / CO % 2 nd Generation BPR<5 PW2037 Fuel Consumption / CO2 Reference % % % - 20 % 3 rd Generation BPR=5-8 Trent 700, V2500 New Configurations ACARE Target 4 th Generation BPR >8 GP7000, Trent500/ Year 5 th Generation BPR>10 Trent 1000, GENX, GTF with BPR >12, CRTF IRA, BPR>20 4

5 Improvement of CO2 for DDTF, GTF, CRTF and IRA architectures 3 rd Generation BPR=5-8 Trent 700, CFM 56 Fuel Consumption / CO2 Reference % % % EEFAE (TRL 5-6 ) (ANTLE / CLEAN-GTF) EEFAE (TRL 2-3 ) (CLEAN-IRA) 4 th Generation BPR >8 GP7000, Trent500/900 5 th Generation BPR>10 Trent 1000, GENX, NEWAC: - 6 % CO 2 DDTF GTF, CRTF - 20 % IRA ACARE Target Year 5

6 Impact of Overall Pressure Ratio (OPR) on NOx: 120 CAEP ICAO NOx [g/kn] CLEAN -GTF ANTLE (US Target for UEET) - 80 % 20 0 CLEAN - IRA High thrust long range configuration Mid thrust configuration High thrust configuration Overall Pressure Ratio (OPR) ACARE Target 6

7 Improvement of NOx for low, medium high OPR 120 CAEP/2 CAEP/ CAEP/ ICAO NOx [g/kn] CLEAN IRA CFM 56 Single Annular LP(P) Combustor Trent 700 EEFAE Refernce ANTLE CLEAN GTF Single Annular PERM Combustor (US Target for UEET) Single Annular LDI Combustor Overall Pressure Ratio (OPR) NEWAC: -16 % NO x relative to EEFAE results --76 % relative to CAEP2 ACARE Target: -80 % CAEP2 7

8 Thermal Efficiency for Different Cycles Thermal Efficiency Cycle with Recuperator and Intercooler Intercooled Recuperative Core Active Core Flow Controlled Core Intercooled Core Conventional Cycle Cycle with Intercooler Overall Pressure Ratio 60 8

9 NEWAC Project Structure SP 0 NEWAC Coordination and Technical Management MTU SP 2 Intercooled Recuperative Core MTU SP 3 Intercooled Core RRUK SP 4 Active Core MTU SP 5 Flow Controlled Core SM SP 6 Innovative Combustor AVIO SP 1 Whole Engine Integration IRA core - Recuperator - Centrifugal HPC Future innovative core configurations Intercooler and ducting HPC technologies for intercooled core operability needs Active cooling air cooling Smart HPC technologies HPC flow control technologies for highest aerodynamic loading Lean direct injection Partial evaporation & rapid mixing inj. Lean premixed pre-vaporised inj. RRUK Rig test Rig test Core test Rig test High pres. rig test 9

10 Core Configurations: Intercooled Recuperative Core (MTU) Technology Development: Concept Optimisation Centrifugal compressor Recuperator Intercooler LP(P) combustor Ducting Recuperator IRA Concept LP(P) Combustor 10

11 Core Configurations: Intercooled Core (RRUK) Intercooler schematic Technology Development: Concept Optimisation Intercooler design and integration Compressor design and integration LDI combustor LDI combustor 11

Cooling Intercooler integration and ducting Active

12 Core Configurations: Active Core (MTU) Cooling Air Cooler Technology Development: Active Cooling Air Cooling Intercooler integration and ducting Active Compressor design and integration PERM combustor PERM Combustor 12

13 Core Configurations: Flow Controlled Core (SN) Rub Management Technology Development: Flow controlled compressor Stall Active Control Integration Blade/casing rub management PERM / LDI combustor Compressor with Aspiration LDI / PERM Combustor 13

14 Whole Engine Integration: The results of the technologies and the new innovative core concepts will be integrated on whole engine level to prepare the roadmap towards the ACARE objectives and to ensure overall consistency of NEWAC results To compare the environmental and economic impact of various engines a previously created software tool (TERA) will be used Overall specification & assessment Concept, integration & optimisation Specification SP Assessment Intercooled Recuperative Core Intercooled Core Active Core Flow Controlled Core TERA Scaling, adaptation Innovative Combustor 14

15 Project Set-up: 40 Partners from: Aero Engine Industry Small & Medium Enterprises Research Establishments Universities SONATS LFMT Overall Budget: 71 Mio. EC-Funding: 40 Mio Duration: May 2006 April 2010 (4 years) 15

16 Kick-off Meeting held in Munich, May 23rd - 24th 2006: 16

Engine Industry Management Group EIMG. The European Aero-engine Community. Riga, 20 April 2005

Engine Industry Management Group EIMG. The European Aero-engine Community. Riga, 20 April 2005 EIMG The European Aero-engine Community Riga, 20 April 2005 EIMG : The European aero-engine community Rolls-Royce UK Volvo Aero Alstom Techspace Aero Snecma Moteurs Turbomeca ITP Rolls-Royce D PBS MTU