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Basic Turbojet Engine. 5. 1. 4. 2. 3. 1 – Inlet 2 – Post compression 3 – Post combustion 4 – After turbine 5 – Exhaust. GENX Engine. Same scale. GE I-A 1,250 pounds of thrust. GE90-115B 115,000 lbs. thrust. GP7200 for the Airbus A380. T.O. Thrust 70,000 lb

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Presentation Transcript
slide1

Basic Turbojet Engine

5

1

4

2

3

1 – Inlet

2 – Post compression

3 – Post combustion

4 – After turbine

5 – Exhaust

ge90 115b 115 000 lbs thrust

Same scale

GE I-A 1,250 pounds of thrust

GE90-115B 115,000 lbs. thrust
slide5

GP7200 for the Airbus A380

T.O. Thrust 70,000 lb

Bypass ratio 8.7 to 1

Fan Diameter 116 in (295 cm)

ge90 115b certification

Water Ingestion - Peebles, Ohio

Crosswind Testing

(Site 6A at Peebles, Ohio)

Hail Ingestion

(Site 4A, Peebles, Ohio)

GE90-115B Certification
propulsion driving industry advances
Propulsion Driving Industry Advances

0.9

JT3C

Turbojet

Low Bypass Turbofan

High Bypass Turbofan

2nd Gen High Bypass Turbofan

0.8

JT3D-1

JT8D-9

CJ805

0.7

JT8D-217

TAY 620

JT9D-7A

SFC 35K/0.8Mn Uninstalled

JT9D-3A

CFM56-2

CF6-6D

RB-211-524D

CFM56-5A

BR 715

V2500 A1

0.6

JT9D-7R4G2

RB-211-535E4

CF6-80A

CF6-80C2-B6F

CFM56-5C4

PW2037

PW4056

CF6-80E1-A2

PW4168

PW4098

PW4084

TRENT 895

GE90-85B

0.5

GE90-115B

0.4

1950

1960

1970

1980

1990

2000

2010

2020

Certification Date

noise reduction advancements
Noise Reduction Advancements

Turbojet

120

  • Normalized to 100,000-lb. thrust
  • Noise levels are for airplane/engine configurations at time of initial service

707-100

110

Noise

Level,

EPNdB

(1500-ft.

sidelines)

Second Generation

Turbofan

DC-9-10

737-200

727-200

100

737-200

A321

747-200

A310

First Generation

Turbofan

A330

747-400

DC-10-30

737-300

90

1950

1960

1970

1980

1990

2000

Year of Initial Service

slide10

SR-30 Gas Turbine Engine – Cut Away

Axial

Turbine

Radial

Compressor

Counterflow

Combustor

Fuel

Injector

Impingement

Start

1

5

Air

Intake

Thrust

Producer

4

3

Flame

2

slide11

SR-30 Gas Turbine Engine – Side View

Oil Inlet

spark

Inlet

nozzle

T2

T1

T3

Oil Outlet

slide12

SR-30 Gas Turbine Engine – Exhaust View

Fuel Injectors

Exhaust Nozzle

Fuel Input

T5

Throttle arm

slide13

Pitot used to traverse

the exhaust plane

Nozzle (guide vanes)

2

Oil inlet

combustor

combustor

3

1

Exhaust nozzle

4

6

Radial Compressor

Axial Turbine

Fuel

Injector

combustor

Oil outlet

Hatched regions indicate blading

Ignitor

slide14

SR-30 Components

Radial diffuser

Guide vanes to turbine

Outer Housing

Inlet Nozzle

Combustor

Flow direction

Fuel manifold

Radial Compressor

Ceramic

Ball bearings

Turbine

slide15

SR-30 Turbojet Engine -- Plumbing

cooling fans

oil pump

fuel tank

(red)

oil return

fuel pump

oil delivery

fuel filters

oil filters

oil tank