B787 Systems and Performance

787 Systems and Performance Tim Nels Nelson on Flight Operations Engineering Boeing Commercial Airplanes

BOEING is a trademark of Boeing Management Company. Copyright © 2005 Boeing. All rights reserved.

Configured for Success 787-8 Design Features Breakthrough passenger cabin Advanced wing design

Large cargo capacity Innovative systems technologies Copyright © 2005 Boeing. All rights reserved.

Composite primary structure

Overhead crew rests

Enhanced flight deck

Advanced engines and nacelles

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Configured for Success 787-8 Design Features Breakthrough passenger cabin Advanced wing design

Large cargo capacity Innovative systems technologies Copyright © 2005 Boeing. All rights reserved.

Composite primary structure

Overhead crew rests

Enhanced flight deck

Advanced engines and nacelles

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The 787 Is a Complete, Flexible, Efficient Family

787-8 223 passengers (three-class) 8,500 nmi / 15,700 km

787-3 296 passengers (two-class) 3,500 nmi / 6,500km

787-9 259 passengers (three-class) 8,300 nmi / 15,400 km Copyright © 2005 Boeing. All rights reserved.

NELSON.3

Efficiency for Medium — and Long-Haul Markets 450

400

Dual-Class

Tri-Class

Short Medium Range Rules

Long Range Rules

777-300

747-400

747-400ER

777-300ER

350

Seats 300

787-3

250

777-200ER 777-200LR 767-300

787-9

767-400ER

787-8

767-300ER

200

767-200ER 150 3000

4000

5000

6000

7000

8000

9000

10000

Design range, nmi Copyright © 2005 Boeing. All rights reserved.

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Creating New Non-Stop Routes The The 787 787 can can efficiently connectconnect more than more450 than new 450airport new city pairs pairs

Possible New Airport Pairs Vancouver - Sao Paulo Seattle - Shanghai San Francisco - Manchester Boston - Athens Tel Aviv - Montreal Copyright © 2005 Boeing. All rights reserved.

Munich - Nairobi Geneva - Singapore Dubai - Taipei Madrid - Manila Auckland - Beijing NELSON.5

Quiet for Airport Communities 85 dB Noise Contours at Heathrow London Heathrow

60% less area affected than the A330 and A340

A330-200

A340-300

A330-300

787 noise footprint stays in the airport property

767-300

787- 8 Feet

Source MS Mappoint, (c) Microsoft, Inc. Copyright © 2005 Boeing. All rights reserved.

• 85 dBA contours • 3,000 nmi mission

0

Meters 0

5000

1500

4001041404 NELSON.6

Breakthrough Technologies Reduce Fuel Burn Per Seat by 20%

Systems

Engines Materials

Aerodynamics

Copyright © 2005 Boeing. All rights reserved.

NELSON.7

Engine Technology Advancements Engine and nacelle features (Common to RR and GE engines) • Higher bypass ratio ratio and higher higher pressure ratio compressor • High-flow low-speed fan • Advanced Advanced materials and coatings • No-engine-bleed systems architecture • Low-noise Low-noise nacelles nacelles with chevrons • Engine types are interchangeable at wing / pylon interface


NELSON.8

Advanced Aerodynamics • State of the art 3-D aerodynamic analysis and design tools provide: − −

− −

− −

Advanced transonic wing design for improved speed and lift High performance, but mechanically simplified high lift system for high reliability and reduced maintenance cost Multi-disciplinary optimization for best combination of weight, drag and engine performance

• Tightly integrated packaging of systems to reduce the size of aerodynamic fairings for reduced weight and drag

• Advanced aerodynamic features validated through extensive wind tunnel test program at both high and low Reynolds number facilities

• Laminar flow nacelles • Variable camber trailing edge


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Composite Solutions Applied Throughout the 787

Carbon laminate Carbon sandwich Fiberglass Aluminum Aluminum/steel/titanium pylons Copyright © 2005 Boeing. All rights reserved.

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Starting the Second Century of Powered Flight


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787 Advanced Systems Efficient Airplane Systems • Advanced Energy Management – The More Electric Airplane

• Flight Controls – Variable Camber Trailing Edge and Drooped Spoilers Highly Integrated Avionics • Common Core Systems open architecture

• • •

Integrated Flight Controls Electronics Integrated Communication/Navigation/Surveillance equipment Integrated Airplane Systems control

e-Enabled Airplane • Broadband connectivity within airplane and with ground − −

− −

− −

− −

Flight Deck Crew Information System Onboard Health Maintenance Cabin systems

Trade Study decisions assume Life Cycle Costs of the airplane Copyright © 2005 Boeing. All rights reserved.

NELSON.12

Advanced Energy Management Generate, Distribute, and Consume energy in an effective and efficient manner. Hybrid AC and DC Primary Distribution Systems (230 Vac, 115 Vac, ±270 Vdc, 28 Vdc) Electric Wing Ice Protection

Elimination of Pneumatic Bleed System

Liquid Cooled Power Electronics Two 250 kVA Variable Frequency Starter/Generators per engine

APU with Two 225 kVA Starter/Generators

Adjustable Electric Air Conditioning Copyright © 2005 Boeing. All rights reserved.

Adjustable Speed Motors and Motor Controllers NELSON.13

Electrical Systems Overview ENGINE Gen

ENGINE

Gen

Gen

APU

Gen

Gen

Gen

230Vac Distrib utio n approx.20 loads

ATU

TRU

115Vdc Distribution

28Vdc Distribution

ATRU ±270Vdc Distribution Motor Controllers approx. 10 loads Adjus tabl e Speed Motors: • Hydraulic EMP • NGS • ECS Compressor s • ECS Fans • Engine Start


approx. 25 loads

Large loads such as: • Wing Ice Protecti on • Hydraulic AC Motor Pump • Fuel Pumps • ATRU – Auto Transformer Rectifier Unit • Galley Ovens • Cargo Heaters • ATU – Auto Transformer Unit • ECS Recirc Fans • TRU – Transform er Rectifier Unit

approx. 150 loads

Large >10 amps: • ECS Lav/Gal fans • Equipment Cooling Fans RPDU #1 • Window Heat • etc

RPDU #17

approx. 850 loads

115 Vac Loads < 10 amps 28 Vdc Loads < 10 amps

Large >10 amps: • DC Fuel Pump • Igniters • CCS • Flight Deck Displays • BPCUs/GCUs • etc

• • • • • • •

NGS – Nitrogen Generating System EMP – Electric Motor Pump ECS – Environmental Control System RPDU – Remote Power Distribu tion Unit CCS – Common Core System BPCU – Bus Power Control Unit GCU – Generator Control Unit

115 Vac Loads < 10 amps 28 Vdc Loads < 10 amps NELSON.14

Electronic Circuit Breakers

SYS MENU CB BY ATA

FLIGHT DECK NON-NORMAL CB BY STATE CB SEARCH CB CB RECENT CB CB CB BY BUS USED CB BY LOCATION CUSTOM LIST

CE2100713 CIRCUIT BREAKER NAME 1

TRIPPED DETAILS

CONTROL




DETAILS

CONTROL



• Display-based control and


DETAILS

CONTROL

indication of breaker state


DETAILS

CONTROL


DETAILS

CONTROL

TRIPPED DETAILS

CONTROL

DETAILS

CONTROL

DETAILS

CONTROL

DETAILS

CONTROL


DETAILS

CONTROL


DETAILS

CONTROL


DETAILS

CONTROL

DETAILS

CONTROL

DETAILS

CONTROL

CK2100724 CONTACTOR NAME 15

DETAILS

CONTROL




DETAILS

CONTROL



• Accessible on Multi-Function Displays (MFDs) and maintenance access devices

1 CK2100780 CONTACTOR NAME 6 CE2100716 CIRCUIT BREAKER NAME 7

?

UNK

CE2100717 CIRCUIT BREAKER NAME 8 DO NOT CLOSE


2

DO NOT CLOSE

CE2100722 CIRCUIT BREAKER NAME 13 CE2100723 CIRCUIT BREAKER NAME 14


?

UNK

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Environmental Control Systems • Overhead cabin cabin air air distribution distribution • Upper and and lower lower air air recirculation recirculation • HEPA Filters Filters and and Gaseous Gaseous Air Air Purification* Purification* for for recirculated air • Personal Air Outlet (Gasper) System* - Basic • Optional Flight Flight Deck Deck Humidification Humidification System System

• Forced air air cooling cooling for for essential essential E/E equipment • Draw-thru Draw-thru cooling cooling for for minor minor E/E E/E equipment • Liquid cooling cooling for Power Electronics*

• Electric Air Conditioning* Conditioning* • 6,000 foot foot maximum maximum cabin cabin altitude* altitude* • Integrated Integrated galley refrigeration* • Conventional Conventional cabin pressure control – two outflow valves • Supplemental Supplemental electric heating heating for Forward Forward and and Bulk Cargo compartments* • Forward* and and Bulk Bulk Cargo Cargo heating heating and and ventilation for animal carriage

• Electric heating heating for door floor areas* • Draw-thru Draw-thru ventilation for Lavatories, Galleys, and Crew Rests * Different from from 777 777

• Optional Forward Cargo Cargo air air conditioning conditioning Copyright © 2005 Boeing. All rights reserved.

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Cabin Air Conditioning System Heat Exchanger inlet

Heat Exchangers

Cabin Air Compressor Inlet (Deflector door shown deployed)

• Two air conditioning packs • Air source provided by cabin air compressors • Adjustable to passenger count Copyright © 2005 Boeing. All rights reserved.

Cabin Air Compressors

Electric Ram Fan NELSON.17

Cabin Pressurization Schedule 8000

Increased passenger comfort - maximum normal cabin altitude of 6000 feet at maximum cruise altitude (reduced from 8000 feet)

7000

747-400 Cabin altitude (ft)

6000

777 5000

767

787

4000

3000 30000

33000

36000

39000

42000

450000

Airplane altitude (ft) Copyright © 2005 Boeing. All rights reserved.

NELSON.18

Equipment Cooling System Power Electronics Cooling System

P700 Rack

P800 Rack

B a s i c G R U

O p t i o n a l G R U

R H Y D M C

M L E 2 S E M C S C /

L 2 A T R U

L F a e f n t M R A C M

C 1 H Y D M C

M L E 1 S E M C S C /

L 1 A T R U

Left Ram Air Duct

B a s i c G R U

O p t i o n a l G R U

N S G t a S r t / M A C P U

L H Y D M C

M R E 2 S E M C S C /

R F i a g h n t M R C A M

C 2 H Y D M C

M R E 1 S E M C S C /

R 1 A T R U

Right Ram Air Ai r Duct

RAM Heat Exchanger Lav/galley vent heat exchanger Copyright © 2005 Boeing. All rights reserved.

PECS Heat Load: motor controller, ATRU, or galley refrigeration unit Pump Package w/ reservoirs, filters, and check valves

3-way Valve

PECS Heat Load: hydraulic motor controller

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Hydraulic System Architecture Left Engine

25 gpm

Engine Driven Pump (EDP)

OB Aileron – IB Flaperon

Left System +/- 270V DC Electric Motor Pump (EMP)

Center System 27 gpm Electric Motor Pump (EMP)

27 gpm +/- 270V DC 25 gpm Electric Motor Pump (EMP)

27 gpm

13 gpm Ram Air Turbine (RAT)

Right Engine Electric Driven Pump (EDP)

Right System +/- 270V DC Electric Motor Pump (EMP)

L Wing: OB & IB R Wing: IB

L Wing: OB R Wing: OB & IB

L Wing: IB R Wing: OB

L Wing: 3 R Wing: 12

L Wing: 1, 7 R Wing: 8, 14

L Wing: 2, 6 R Wing: 9, 13

Elevator

Left

Left & Right

Right

Rudder

PCU

PCU

PCU

Thrust Reverser

Left

Spoilers IB & OB

Right

Trailing Edge Flaps

Motor

Leading Edge Flaps

Motor

Nose Landing Gear & Steering Main Landing Gear

27 gpm

Normal Reserve Left & Right

5000 p s i s y s tem s w i th c o m m o n p u m pp s Copyright © 2005 Boeing. All rights reserved.

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787 Fly-by-Wire Flight Controls All Surfaces Fly-By-Wire • Eliminates cables • Reduced weight • Improved functionality

Trailing Edge Surfaces • Inboard and outboard single slotted flaps • Single outboard ailerons • Single flaperons • Seven spoiler pairs with droop function • Trailing Edge Variable Camber (TEVC) • Reduced complexity of trailing edge mechanism

Electric Integrated Horizontal Stabilizer Trim Actuator (HSTA) • Reduced complexity • Reduced weight

Integrated Flight Control Electronics • Reduced weight and space space


Leading Edge Surfaces • Inboard and outboard 3-position slats • Sealing Krueger Flap at pylon NELSON.21

High Lift Function • Leading Edge and Trailing Edge Kinematic Motion Rotary Actuator

Middle

UP

Spoiler Droop

Variable Camber at Cruise

Extended

Outboard Slats Small Gap on Takeoff (Inboard Sealed) Outboard Slats Gapped on Landing settings

Simple pivot dropped hinge Hinge Fairing

37-43 degrees down

• Spoiler Spoiler Droop Droop functionality replaces replaces fore fore flaps flaps and maintains gap and overlap requirements. • Spoilers driven driven down via via fly-by-wire fly-by-wire control. control.


NELSON.22

Landing Gear Systems New Control-by-Wire • Landing Gear Actuation − −

− −

− −

Electronic control and sequencing of landing gear and doors Dedicated proximity sensors to monitor gear and door door position, and to control sequencing Alternate landing gear extension electrically controlled and hydro-mechanically released

• Brake Control − −

− −

Control-by-wire for brake, autobrake, and anti-skid functions Electric Brake Actuators

• Steering Control − −

Control-by-wire rudder pedals and dual tillers

• Brake Temperature Monitoring System – baseline • Tire Pressure Indication System – baseline Copyright © 2005 Boeing. All rights reserved.

NELSON.23

Wing Anti-Ice System Overview Slats with ice protection 2, 3, 4, 5

• Electrical Power – no engine bleed air

• Six heater mats in each heated slat

• Aluminum cap to protect leading edge surface Heater Mats Nose Skin The heater mats are bonded to interior surface of the composite slat leading edge skin Copyright © 2005 Boeing. All rights reserved.

NELSON.24

Final Nose Configuration • Four windows, fewer posts

• Pilot vision similar to 777

• Non-opening windows • Crew escape door • Vertically stowed wipers

• Windshield washer


NELSON.25

Cargo Fire Protection HRD HRD Btl Btl 1A 1A

ETOPS Capability: • Basic - 180 minutes • Options (-8 and and -9): − 240 minutes (one bottle) − 330 minutes (two bottles)

HRD HRD Btl Btl 1B 1B

Forward Cargo Compartment

Metered Metered Btl Btl 2A 2A

Metered Metered Btl Btl 2B 2B

Metered Metered Btl Btl 2C 2C

Metered Metered Btl 2D 2D

Metered Btl 2E 2E

Optional Bottles

Aft and Bulk Cargo Compartments

Cargo Fire Suppression System Nozzles: Copyright © 2005 Boeing. All rights reserved.

Flow Valves: NELSON.26

Fuel Systems Improvements • Improved Fuel Quantity availability (measuring sticks removed)

• Highly capable center tank fuel scavenge system

• Improved lateral balance correction without need to turn off fuel pumps

• Redundant jettison path of main tank fuel

• Improved anti-ignition safety using all-tank Nitrogen inerting and compliance to latest ignition prevention regulations


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B787 Systems and Performance

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