[PDF] Airbus A380: Vertical Tailplane Praxis-Seminar Luftfahrt

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Airbus A380: Vertical Tailplane

JensHinrichsen

Airbus Deutschland

Director A380 Vertical Tail PlanePraxis-SeminarLuftfahrt, HochschulefürAngewandteWissenschaftenHamburg, DGLR, VDI

Hamburg, April 10th, 2003

Praxis-Seminar Luftfahrt, Hamburg, April 10th, 2003 Page 2

Contents

•The A380 Technology Selection Process •Demonstrators •Future Technology Requirements•The A380 Design-to-Cost Approach•Introduction •A380: Brief Description of the Aircraft Configuration •Materials and Manufacturing Processes (M&P) Praxis-Seminar Luftfahrt, Hamburg, April 10th, 2003 Page 4

Introduction

•Selection of advanced and new technologies follows an evolutionary approach, backed by experience gained during

•30 years of Airbus corporate history. •The A380 program delivers a significant contribution to

wealth of the European Community andthe US in terms of direct and indirect employment, tax revenues income and industrial competitiveness for the future: ?200.000 employments world-wide, of which -145.000 jobs are created in the EU -60.000 jobs are created in the US •A380 realizes the most ambitious program since

commercial aviation started business during the 1920's.•A380 is in-line with market evolution, completing the Airbus

product range at the upper end. Praxis-Seminar Luftfahrt, Hamburg, April 10th, 2003 Page 5

A380 completes the Airbus Family

40 t
40 t

Freighter

Freighter

Versions

Versions•

•Expansion of our offer in the freighter Expansion of our offer in the freighter business from 40 to 150 tons business from 40 to 150 tonsComplete fleet solutions from 100 seats

Complete fleet solutions from 100 seats

to 500/600 seats to 500/600 seats 150 t
150 t

100 seats

100 seatsPassenger

Passenger

Versions

Versions

555 seats

555 seats

Praxis-Seminar Luftfahrt, Hamburg, April 10th, 2003 Page 6

Contents

•The A380 Technology Selection ProcessThe A380 Technology Selection Process •DemonstratorsDemonstrators •Future Technology RequirementsFuture Technology Requirements• •The A380 DesignThe A380 Design--toto--Cost ApproachCost Approach•Introduction •A380: Brief Description of the Aircraft Configuration •Materials and Manufacturing ProcessesMaterials and Manufacturing Processes Praxis-Seminar Luftfahrt, Hamburg, April 10th, 2003 Page 7

A380 Key Characteristics

A380

A380--800 800 A380

A380--900 900 Capacity

Capacity Range

Range 555

555 paxpax7900 nm

7900 nm656

656 paxpax7900 nm

7900 nm A380

A380--800R 800R 555

555 paxpax8750 nm

8750 nmDesigned for:

Designed for:

•CruiseCruise::at Ma 0.85 up to 45,000 ftat Ma 0.85 up to 45,000 ft •RangeRange::7900 7900 --8750 nm8750 nm

•TakeTake--off and Landingoff and Landing::equal or better than the 747equal or better than the 747

•NoiseNoise::18 to 20 dB less than FAR 36 requirements (St.3 rules) meeting 18 to 20 dB less than FAR 36 requirements (St.3 rules) meeting

QC2/QC1 LHR (A380

QC2/QC1 LHR (A380--800)800)

•VortexVortex::no larger separation at approach than the 747no larger separation at approach than the 747

•Meeting infrastructure requirementsMeeting infrastructure requirements Praxis-Seminar Luftfahrt, Hamburg, April 10th, 2003 Page 8

From A340 to A380: A Big Step in Design Weights

A380

A380A340A340Non-circular cross section

Three decksLarger dimensions of

wing and tailplanes(A380 Horizontal Tail Plane = A310 wing)A340

A340A380A380

363 m

363 m22845 m845 m22Highest design weights

A340-300

275 t
180 t
190 t

130 tA340

A340--300300

275 t275 t

180 t180 t

190 t190 t

130 t130 tA380-800

560 t
361 t
386 t

278 tA380

A380--800800

560 t560 t

361 t361 t

386 t386 t

278 t278 t+ %

+ 104 % + 100 % + 103 % + 114 %+ % + 104 %+ 104 % + 100 %+ 100 % + 103 %+ 103 % + 114 %+ 114 %Max. take-off weight

Max. zero fuel weight

Max. landing weight

Operator's weight empty

Praxis-Seminar Luftfahrt, Hamburg, April 10th, 2003 Page 9

The A380: A big Step in Size

A380 A340 A320 Praxis-Seminar Luftfahrt, Hamburg, April 10th, 2003 Page 10

Setting New Standards on all 3 Decks

Under Floor Galley

Under Floor Galley

1

1ststClass PrivacyClass Privacy

Praxis-Seminar Luftfahrt, Hamburg, April 10th, 2003 Page 11

A380: A big Step in Size

Accessibility

Accessibility

Assessment

Assessment

for Wing Trailing for Wing Trailing Edge Edge

Gear Rib

Outboard Wing Root Size

Wing Root Size

Praxis-Seminar Luftfahrt, Hamburg, April 10th, 2003 Page 12

A380: A big Step in Size

Rear Pressure Bulkhead

Aft Fuselage

Praxis-Seminar Luftfahrt, Hamburg, April 10th, 2003 Page 13

A380 Vertical Tail

14,6m Praxis-Seminar Luftfahrt, Hamburg, April 10th, 2003 Page 14

Contents

•The A380 Technology Selection ProcessThe A380 Technology Selection Process •DemonstratorsDemonstrators •Future Technology RequirementsFuture Technology Requirements• •The A380 DesignThe A380 Design--toto--Cost ApproachCost Approach•Introduction •A380: Brief Description of the Aircraft Configuration •Materials and Manufacturing ProcessesMaterials and Manufacturing Processes Praxis-Seminar Luftfahrt, Hamburg, April 10th, 2003 Page 15

Top Level Technology Requirements

•Requirements driven by Airline Interests: ?Robust structure: Damage tolerant and easy to inspect & repair ?Good corrosion prevention ?Long inspection intervals ?Simple inspection methods ?Low spare part prices •Requirements driven by Manufacturer Interests: ?Weight savings (a/c performance and reduction of emissions) ?Manufacturing cost savings (recurring and non-recurring costs) ?Proven service readiness ?Proven maturity of manufacturing processes ?Built-in potentials of new technologies for further improvements Praxis-Seminar Luftfahrt, Hamburg, April 10th, 2003 Page 16

The A380 M&P Selection Process: Steps

Meet "structural design drivers"

Freeze

M&P for A380-800"Lessons learned" from existing fleetStep 1:

Step 2:Step 3:

Conventional

BaselineAlternative

ScenariosDefinition of:

Launch variant

andBuilt-in PotentialsDetermine achievable

Future

ImprovementsDetermine optimal

structural designEvaluate advanced and new M&P

Inputusing

proven

Materials

and Processesusing "conventional

Baseline"

as a yardstick.Process Parameters

List of

Standard

MaterialsMechanical Properties

Density/weightDesign Allowables

Praxis-Seminar Luftfahrt, Hamburg, April 10th, 2003 Page 17

The A380 M&P Selection Process: Partnership

Design drivers, design principles,

complexity of geometries, tolerances, surface protection, etcIn-service experience, inspection methods/equipment, repairs, accessibility, etc Research

Airframe

ManufacturerAirlinesRequirements:Input from

Material

SuppliersThickness, sizes, etc

Density/weight, pricesMaterial

SuppliersContinuous Dialog, e.g. Integrated Project Team (IPT) with ALCOA

M&P Research

-material properties -material performance -process parameters -etc

Testing of coupons &

small sub-assembliesTesting of aircraft componentsDesign & Processes -design principles, -costing, weights, -process verification, -requirements, evaluationMaintainability:

Agreement on concepts for

-inspections, -repairs

Acceptance

of new

Technologies

(Customers have to give their "green light")Lessons Learned Praxis-Seminar Luftfahrt, Hamburg, April 10th, 2003 Page 18

The A380 M&P Selection Process: Schedule

Certification

100%

50%Entry Into Service

Time

Program

LaunchTrade studies for

Materials

& ManufacturingMaterial DevelopmentFreeze for:

Geometry,

Design & Manufacturing

Principles,

Target Cost, Schedule,

Workshare Start

of

Series

ProductionKnowledge about Cost

Cost of TechnologyMaterials & Technology

Down-selection

(DOC, Weight, Design-to Cost)First Delivery to

A/C AssyLineA/C Development

Series ProductionKnowledge

about CostCost of

Technology

Praxis-Seminar Luftfahrt, Hamburg, April 10th, 2003 Page 19

Contents

•The A380 Technology Selection ProcessThe A380 Technology Selection Process •DemonstratorsDemonstrators •Future Technology RequirementsFuture Technology Requirements• •The A380 DesignThe A380 Design--toto--Cost ApproachCost Approach•Introduction •A380: Brief Description of the Aircraft Configuration •Materials and Manufacturing ProcessesMaterials and Manufacturing Processes Praxis-Seminar Luftfahrt, Hamburg, April 10th, 2003 Page 20

A380 Material Distribution (Weight break-down)

10% Composite

Buy78% Aluminum

7 % Titanium & Steel2% Glare1% Surface protections 1%

Miscellaneous16% Composite66% Aluminum

10% Titanium

& Steel4% Glare2% Surface protections 2%

MiscellaneousFly

Praxis-Seminar Luftfahrt, Hamburg, April 10th, 2003 Page 21

What Glare is

GLARE is a member of the

family of Fiber Metal

Laminates (FML).Aluminum layer

Glass fiber/adhesive layer

Aluminum layer

Glass fiber/adhesive layer

Aluminum layerLay-up Scheme:

GARE is a hybrid material

built-up from alternating layers of aluminum and pre-impregnated woven glass fiber fabrics. Praxis-Seminar Luftfahrt, Hamburg, April 10th, 2003 Page 22

Evolution of Composite Technology at Airbus

fairings radome

1980-19901990-20001970-19802000-20101970-19801980-19901990-20002000-2010+ J-nose

+ monolithic nacelle + keel beam, + rear bulkhead + monolithic elevator skin ...A340-600/500A310/300+ elevators + VTP box ...A310/200+ rudder + spoilers + airbrakes ...+ ailerons + wetHTP box ...A330-300

A340-300A320-200+ dry HTP box

+ LG doors + flaps

A300/B2

Praxis-Seminar Luftfahrt, Hamburg, April 10th, 2003 Page 23

Examples for Major Composite Structures: A340-600

Engine Cowling,

Engine Cowling,

Airbus

Airbus EspanaEspana

Wing J

Wing J--Nose, Nose, FokkerFokker

Special Products, NL

Special Products, NL

Keel Beam, Airbus France

Keel Beam, Airbus FranceBelly Fairing,

Belly Fairing,

Airbus France

Airbus FranceVertical Tail,

Vertical Tail,

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