Open RotorOpen Rotor

Technological Achievements

François MIRVILLESAFRAN/SnecmaSAFRAN/Snecma

July 1, 2014

This document and the information therein are the property of Snecma, They must not be copied or communicated to a third party without the prior written authorization of Snecma.

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SUMMARY

Open Rotor Architectures and Aircraft Integration

Main Technical Objectives

Technologies involved

Technology Achievements

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This document and the information therein are the property of Snecma, They must not be copied or communicated to a third party without the prior written authorization of Snecma.

OR ARCHITECTURES AND A/C INTEGRATION

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This document and the information therein are the property of Snecma, They must not be copied or communicated to a third party without the prior written authorization of Snecma.

Forum AE – July 1st, 2014 – Snecma R&T Direction

MAIN TECHNICAL OBJECTIVES: ACARE 2020

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This document and the information therein are the property of Snecma, They must not be copied or communicated to a third party without the prior written authorization of Snecma.

Forum AE – July 1st , 2014 – Snecma R&T Direction

CURRENT TECHNOLOGY DEVELOPMENTS : SAGE2 (SNECMA LEAD)( )

IN THE FRAME OF « CLEAN SKY » EUROPEAN PROGRAM 2008-20172008 2017 SAGE ITD : SAGE1 TO 6

SAGE2 :Technology    Evaluator

SAGE2 : OPEN ROTOR DEMONSTRATOR

LEADER : SNECMA GROUND TEST :

Concept Aircraft

G R i lS t Fi d WiE GGROUND TEST :DEC 2015

Green Regional

Aircraft

Smart Fixed Wing

Aircraft

Eco-Design

Green Rotorcraft

Sustainable and Green Engines TECHNOLOGIES &

DEMONSTRATORS

Eco-

Systems for Green Operations

DEMONSTRATORS

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This document and the information therein are the property of Snecma, They must not be copied or communicated to a third party without the prior written authorization of Snecma.

EcoDesign

SAGE2 : AN INTEGRATED POWERPLANT SYSTEM

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This document and the information therein are the property of Snecma, They must not be copied or communicated to a third party without the prior written authorization of Snecma.

Forum AE – July 1st , 2014 -Snecma --R&T Direction

SAGE2 : DEMO CONFIGURATION

GKN

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This document and the information therein are the property of Snecma, They must not be copied or communicated to a third party without the prior written authorization of Snecma.

NEW TECHNOLOGIES FOR OPEN ROTOR (1/4)

OPEN ROTOR ARCHITECTURES NEED A HIGHER DEGREE OF INTEGRATION OF THE PROPULSION SYSTEM AND THEINTEGRATION OF THE PROPULSION SYSTEM AND THE AIRCRAFT THAN CONVENTIONNAL TURBOFANS

>AERODYNAMICSAERODYNAMICS

>ACOUSTICS

>MECHANICS

DEVELOPMENT &USE OF MORE AND MORE PREDICTIVE SIMULATION TOOLS ASSOCIATED WITH MORE AND MOREPOWERFUL COMPUTERS

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This document and the information therein are the property of Snecma, They must not be copied or communicated to a third party without the prior written authorization of Snecma.

Onera URANS calculation – acoustic directive emissions

NEW TECHNOLOGIES FOR OPEN ROTOR (2/4)

TEST CAMPAIGNS IN WIND TUNNELS ON PROPULSION SYSTEMS : FIRST ALONEFIRST ALONE , THEN IN INSTALLED CONFIGURATIONS (WINGS , AIRCRAFT) ,

SEE HEREUNDER AEROACOUSTIC TEST PERFORMED IN ONERASEE HEREUNDER AEROACOUSTIC TEST PERFORMED IN ONERA MODANE-FRANCE

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This document and the information therein are the property of Snecma, They must not be copied or communicated to a third party without the prior written authorization of Snecma.

NEW TECHNOLOGIES FOR OPEN ROTOR (3/4)

DEVELOPMENT OF NEW COMPONENTS LINKED TO THE OPEN ROTOR ARCHITECTURE :ROTOR ARCHITECTURE : HIGH POWER COUNTER-ROTATING GEARBOX ROTATING FRAMES GREEN BARRELS GREEN BARRELS ENGINE INLET PREVENTING FROM F.O.D. ROTATING NACELLES AND PLUG VARIOUS TYPES OF BEARINGS :

LARGE DIAMETER HIGH LOAD FOR ENGINE BLADE ROTORS RESTRICTED VOLUME ALTERNATE LOAD FOR BLADES HUBS

DEVELOPMENT OF NEW INTERFACE BETWEEN AIRCRAFT PYLON AND PROPULSION SYSTEM MOUNTING SYSTEM DESIGNED FOR OPEN ROTOR PUSHER

CONFIGURATION

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This document and the information therein are the property of Snecma, They must not be copied or communicated to a third party without the prior written authorization of Snecma.

NEW TECHNOLOGIES FOR OPEN ROTOR (4/4)

DEVELOPMENT OF A SPECIFIC CONTROL SYSTEM FOR GEARED OPEN ROTOR : TWO MORE PARAMETERS TO CONTROL , SPEEDS OF FWD AND AFT

PROPELLER ROTORS

IMPLEMENTATION OF FUNCTIONS AT THE PROPULSION SYSTEM IMPLEMENTATION OF FUNCTIONS AT THE PROPULSION SYSTEM LEVEL THAT LEAD TO DEDICATED TECHNOLOGIES OR DESIGNS , FOR EXAMPLE: THERMAL MANAGEMENT OF THE NACELLES DE-ICING OF THE PROPELLER BLADES

DEVELOPMENT & USE OF NEW LOW-WEIGHT MATERIALS : COUNTER-ROTATING COMPOSITE BLADES , ORGANIC MATRIX –RTM

INJECTED TIAL BLADES FOR HIGH SPEED POWER TURBINE

DEVELOPMENT & USE OF ADVANCED HEALTH MONITORING AT

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This document and the information therein are the property of Snecma, They must not be copied or communicated to a third party without the prior written authorization of Snecma.

ENGINE AND AIRCRAFT LEVEL

TECHNOLOGICAL ACHIEVEMENTS

Technology Achievement

Propeller Blades Partial Test + Scale 1 manufacturing +  Design p g g

Power GearboxPartial Tests of components + Preliminary Design 

Partial Tests of components +ManufacturingRotating Frames

Partial Tests of components + Manufacturing samples +  Design 

Green BarrelsMaterial Tests  +  Near  Scale 1 Manufacturing + Preliminary Design

Rotating Nacelles and PlugMaterial Tests  +  Near  Scale 1 Manufacturing + Preliminary Design 

Bearings Preliminary Design Mounting Systems Preliminary Design Control System Preliminary Design Thermal Management Preliminary Design De Icing Partial Tests of components

Air inlet Design for scheduled  Partial Test

Simulation Tools Optimization, Calibration and Use of Aeroacoustic and mechanical tools

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This document and the information therein are the property of Snecma, They must not be copied or communicated to a third party without the prior written authorization of Snecma.

Aeroacoustic and mechanical tools