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Airbus A380 - RAe Hamburg & VDI January 2008

Airbus A380Airbus A380:

Solutions to the Aerodynamic Challenges of Designing the World's Largest Passenger Aircraft RoyalAeronautical Society,Hamburg Branch / DGLR / VDI / HAW

Axel FLAIG, Head of Aerodynamics, Airbus

Airbus A380 - RAe Hamburg & VDI January 2008Page 2

Presentation overview

Introducing the Airbus A380

Airbus Aerodynamics

Aerodynamic Design Challenges on A380

The Aerodynamic Solutions - Some examples

Flight Test

Airbus A380 - RAe Hamburg & VDI January 2008Page 3

Introducing...

...the Airbus A380 Airbus A380 - RAe Hamburg & VDI January 2008Page 4

Introduction:The Market Drivers for A380

Traffic Growth

Predicted increase in traffic

growth of almost 5% per annum.

0246810

1969 1979 1989 1999 2009 2019 2029

World annual traffic - trillionRPKs

ICAO total traffic

GMF 2006

ICAO total trafficICAO total traffic

GMF 2006

Airbus projection

+ 4.8 % per annum

2019-2020 annual increment

> total traffic at 747 EIS

350 billion RPK

370 billion RPK

2019202020192020

Airport Congestion

Main airport hubs already

overcrowded.

Environmental Impact

Increased pressure to reduce

environmental impact (e.g.

ACARE 2020 Vision)

Significantly reduced emissions

Significantly reduced noise

Airbus A380 - RAe Hamburg & VDI January 2008Page 5

Introduction:The Need for A380

In the early 90s initial market studies identified a need for an aircraft that (in comparison to the

Boeing 747 "Jumbo Jet"):

Has more capacity

(is significantly larger)

Has more range

Has more comfort

Is significantly more efficient

(up to 20% lower operating costs)

Is more environmentally friendly

(less fuel burn, is significantly quieter) Airbus A380 - RAe Hamburg & VDI January 2008Page 6

Introduction:A380 Field Performance

11,600ft (3530m)

747-400

9,800ft (2990m)

A380-800

1,800ft (550m) less

6,900ft (2103m)A380-800

7,400ft (2260m)747-400

500ft (150m) less

Better field performanceBetter field performance

Take

Take--offoff

Landing

Landing

Airbus A380 - RAe Hamburg & VDI January 2008Page 7

Introduction:A380 Cabin

Standard

containers / pallets

A330/A340

747 +

69" / 185 cm wider

20" / 55 cm wider

A380 has the quietest cabin in sky

and provides a very smooth ride! Airbus A380 - RAe Hamburg & VDI January 2008Page 8

Introduction:Airport Compatibility

A380 14.30m

747-400 12.60m

85cm85cm85cm85cm

Similar gear trackSimilar gear track

Pavement loadingPavement loading

80 m
80 m
80 ft

80m x 80m box80m x 80m box

80 m
80 m
80 ft

80m x 80m box80m x 80m box

Airbus A380 - RAe Hamburg & VDI January 2008Page 9 Introduction:A380 - A Significant Design Challenge

A Significant Design Challenge

Additional design challenge due to being

constrained to operate within the existing airport infrastructure: take-off / landing on existing runways

80m x 80m x 80ft envelope

must be able to use existing ground support infrastructure 80 m

80 m80 ft

80m x 80m box80m x 80m box

80 m

80 m80 ft

80m x 80m box

80m x 80m box

Size

The A380 wing is the largest wing

produced for a civil airliner Airbus A380 - RAe Hamburg & VDI January 2008Page 10

Introduction:A380 Size Comparisons

A320 & A380 Section 21 comparison

17.7m 10.6m 9.4m 8.4m 6.1m

36.3m
(Wingspan 79.75m) 26.3m
(Wingspan 60.30m) 19.7m (Wingspan 44.8m) 19.2m (Wingspan 43.9m) 14.5m (Wingspan 34.9m)

A380A330/A340A300 A310 A318-

A321A340-500/600

28.9m
(Wingspan 63.45m) 12.2m

A380 HTP area ~ A310 wingFlaps area ~ A320 wing

Airbus A380 - RAe Hamburg & VDI January 2008Page 11

Introduction:Advanced Technology

The key requirement is to offer the capacity / range requirements but with a 15 - 20% seat mile cost advantage over the 747-400

No. of Seats

Seat Mile

CostsAIRLINE

TARGET

A340-300

A340

TECHNOLOGY

A380 family envelope

ADVANCED

TECHNOLOGY

B747-400B747-400

-15% -20% "Advanced Technology" is required to meet the targets Airbus A380 - RAe Hamburg & VDI January 2008Page 12

Introduction:Innovation and Integration

Integration

The key to success is not simply single-disciplinary advances but multi-disciplinary advances andintegration.Need for Innovation

Initial studies quickly confirmed that existing

technologies would not allow these targets to be met and hence significant innovation would be required in virtually all areas of design: Aerodynamics, structures, systems etc Design processes Manufacturing Airbus A380 - RAe Hamburg & VDI January 2008Page 13

A380 Key Design Features

All variants fit in

80m x 80m box

Complete airport

compatibility

Noise & Emissions

improvements

Cross Crew

Qualification

Engine options

RR Trent 900

GP7200

15 - 20% lower

operating costs

Fast turn

round time

Use of advanced

materialsCFRP & GLARE...

5000 PSI

hydraulics electro hydrostatic actuators Airbus A380 - RAe Hamburg & VDI January 2008Page 14

A380 Performance: Superior by Design

Compared with the 747, the A380 :

requires 10% less runway length to take-off. has 4,000 ft higher initial cruise altitude. offers the same cruise Mach number. has a 20kt lower approach speed. Airbus A380 - RAe Hamburg & VDI January 2008Page 15

A380 in the Airbus family

8,500orders

290customers

5000delivered to date

453delivered in 2007

A380

Range (nm)

Number of Seats

Airbus A380 - RAe Hamburg & VDI January 2008Page 16

Airbus Aerodynamics

A World-Class, Transnational Team

Airbus A380 - RAe Hamburg & VDI January 2008Page 17

Airbus Aerodynamics

Aerodynamics - overview

Aerodynamic design processes

Aerodynamics evolving strategy

Airbus A380 - RAe Hamburg & VDI January 2008Page 18

Aerodynamics - A Single Transnational Team

Filton

Bremen

Toulouse

Getafe

Design

Data T&S

WTTOne Transnational Team

4 European sites

Airbus Aerodynamics

ProgrammeManagementTechnology, M&TManagement

Airbus A380 - RAe Hamburg & VDI January 2008Page 19

Aerodynamics in the Design Process

DevelopmentPhaseDevelopmentPhase

DefinitionPhaseDefinitionPhase

ConceptPhaseConceptPhase

FeasibilityPhaseFeasibilityPhase

M13 M13 EIS M13 M13 EIS M13 M13 EIS M0 M0

ProductIdeaEstablishedObserve

Business

M0 M0

ProductIdeaEstablished

M0 M0

ProductIdeaEstablishedObserve

BusinessObserveBusiness

M14 M14

Complt.

Basic

Develop-

ment M14 M14

Complt.

Basic

Develop-

mentComplt.BasicDevelop-ment M6 M6

Authorisationto Offer

M6 M6

Authorisationto Offer

M7 M7

Goahead

Assure

Industrial

Launch

Condition

M7 M7

Goahead

Assure

Industrial

Launch

Condition

M7 M7

Goahead

M7 M7

Goahead

Assure

Industrial

Launch

Condition

M11 M11

FirstFlightPerform

Ground

Test &

Prepare

1st Flight

M11 M11

FirstFlight

M11 M11

FirstFlightPerform

Ground

Test &

Prepare

1st FlightPerformGround

Test &

Prepare

1st Flight

M4 M4

Optimize

Concept

on A/C Level

ConfigurationBaselined

M4 M4

Optimize

Concept

on A/C Level M4 M4

Optimize

Concept

quotesdbs_dbs12.pdfusesText_18

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