Types of jet propulsion engine
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TYPES OF JET
PROPULSION ENGINE
FACULTY OF MECHANICAL &
MANUFACTURING ENGINEERING
AIRCRAFT PROPULSION BDU 20203
By:
AMAL IQMAL BIN ADNAN
AD110189
2BDC
Lecture:
Dr. Mohammad Fahmi Bin Abdul Ghafir
http://dryicons.com/free-graphics/preview/blue-background
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TURBOJET
ENGINE
http://purpleopurple.com/tourism/modern-wonders/concorde.html
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SINGLE SPOOL TURBOJET
Optional: Afterburner, Convergent or Con/Di Nozzle
Compressors Turbine Combustion
Chamber
Inlet
•Basic turbojet engine invented by Sir Frank Whittle and Dr. Hans von Ohain •Turbojet engine is very powerful engine ever.
Nozzle/Exhaust
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SINGLE SPOOL TURBOJET
WITH TWO COMPRESSORS
Axial
Compressors
Turbines
Burner
Nozzle/Exhaust Inlet
Centrifugal
Compressors
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TWO SPOOL TURBOJET
Optional: Afterburner, Convergent or Con/Di Nozzle
HP
Compressors
HP Turbine
Combustor
Nozzle/Exhaust Inlet
LP
Compressors
LP Turbines
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TURBOFAN
ENGINE
http://www.topaviationsites.net/news/the-boeing-787-dreamliner
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SINGLE SPOOL MIXED FLOW
TURBOFAN
Optional: Afterburner, Convergent or Con/Di Nozzle
Compressors Turbines Combustion
Chamber Nozzle/Exhaust
Inlet
•At nozzle exit, fluid flow at primary and secondary nozzle are mixed.
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TWO SPOOL TURBOFAN
LOW BYPASS RATIO
HP
Compressors
LP Turbines Burner
Divergent
Nozzle Air Intake
HP Turbine
LP
Compressors
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THREE SPOOL TURBOFAN
LOW BYPASS RATIO
HP
Compressors
LP Turbine
Combustor
Divergent
Nozzle Air Inlet
HP Turbine
LP
Compressor
IP Turbine
IP
Compressors
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VARIABLE CYCLE ENGINE
Optional: Afterburner, Convergent or Con/Di Nozzle
•A variable cycle engine (VCE) is an engine that is designed to operate efficiently under mixed flight conditions, such as subsonic, transonic and supersonic.
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TWO SPOOL TURBOFAN
Fan
Nozzles Diffuser
HP
Compressors
LP Turbines
Combustion
Chamber
HP Turbine
2
1
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GEARED TURBOFAN
TYPE A
HP
Compressors
LP Turbines
Burner
Diffuser
LP
Compressors
HP Turbine
Fan
Gear
Nozzles 2
1
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GEARED TURBOFAN
TYPE B
HP
Compressors
LP Turbines
Combustor
Diffuser
LP
Compressors
HP Turbine
Fan
Gear
Nozzles 2
1
Centrifugal
Compressors
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THREE SPOOL TURBOFAN
HP
Compressors
LP Turbines
Combustion
Chamber
Diffuser
HP Turbine
LP Fan
IP Turbine IP
Compressors
Nozzles 2
1
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INTERCOOLED RECUPERATED
TURBOFAN
Optional: Intercooler, Recuperator
HP
Compressors
LP Turbines
Burner
Diffuser
HP Turbine
LP Fan
IP Turbine IP
Compressors
Intercooled
Nozzles 2
1
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MIXED FLOW TURBOFAN
HP
Compressors
LP Turbines
Combustor
Mixed Nozzle Diffuser
HP Turbine
Fan
LP
Compressors
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GEARED MIXED FLOW
TURBOFAN A
HP
Compressors
LP Turbines
Combustion
Chamber
Exhaust Diffuser
HP Turbine
Fan
Gear
LP
Compressors
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GEARED MIXED FLOW
TURBOFAN B
HP
Compressors
LP Turbines
Burner
Nozzles
Diffuser
HP Turbine
LP Fan
LP
Compressors
Gear
Centrifugal
Compressors
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THREE SPOOL MIXED FLOW
TURBOFAN
HP
Compressors
LP Turbines
Combustor
Nozzles Diffuser
HP Turbine
LP Fan
IP Turbine
IP
Compressors
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TURBOPROP
ENGINE
http://www.atraircraft.com/media/mediagallery/galeries_medias/ATR%2072-500%20MASwings%20taxiing.jpg
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SINGLE SPOOL TURBOPROP
Optional: Recuperator
Compressors
Combustion
Chamber
Exhaust
Turbines
Propeller
Gear
Intake
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TWO SPOOL TURBOPROP
Optional: Recuperator
HP
Compressors
LP Turbines
Burner
Exhaust
Intake
HP Turbine
Propeller
Gear
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TURBOPROP
BOOSTER ON HIGH PRESSURE SPOOL
Optional: Intercooler, Recuperator, Sequential Combustion
HP
Compressors
LP Turbines
Combustor
Exhaust
Intake
HP Turbine
Propeller
Gear
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TURBOPROP
BOOSTER ON LOW PRESSURE SPOOL
Optional: Intercooler, Recuperator, Sequential Combustion
HP
Compressors
LP Turbines Combustion
Chamber
Exhaust Intake
HP Turbine
Propeller
Gear
LP
Compressors
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THREE SPOOL TURBOPROP
HP
Compressors
LP Turbines
Burner
Nozzle/Exhaust Intake
HP Turbine
Propeller
IP Turbine
IP
Compressors
Gear
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TURBOSHAFT
ENGINE
http://stuckattheairport.com/2008/09/10/cheap-helicopter-rides-between-jfk-and-manhattan-on-delta
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TURBOSHAFT ENGINE
FOR POWERING HELICOPTER
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RAMJET
http://www.urban75.net/forums/threads/309th-aerospace-maintenance-and-regeneration-group-aka-plane-graveyard.298730/
http://www.wvi.com/~sr71webmaster/schematic.html
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RAMJET
(A GAS TURBINE WITHOUT COMPRESSOR AND TURBINE)
Optional: Convergent or Con/Di Nozzle
•Most powerful engine and the highest thrust produces than turbojet but it work most efficiently at speeds around Mach 3.
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SCRAMJET
OPERATES AT MACH 4 AND ABOVE
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NOTATION
LP = Low Pressure
IP = Intermediate Pressure
HP = High Pressure
1 = Primary Nozzle
2 = Secondary Nozzle
= Low Pressure Shaft
= Intermediate Pressure Shaft
= High Pressure Shaft
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REFERENCES
1. http://www.gasturb.de
2. http://muhammadhuzaim.blogspot.com/2010/06/turbin
e-engine-lessons-cont.html
3. http://www.flightlearnings.com/2010/03/06/types-of-
turbine-engines
4. http://www.ifs.tohoku.ac.jp/enerdyn/en/en_researches_
supersonic.htm
5. http://www.okieboat.com/How%20the%20ramjet%20w
orks.html
6. http://en.wikipedia.org/wiki/Variable_Cycle_Engine
7. http://spaceflight.esa.int/impress/text/pop-up/trent.html