PISTON ENGINE PROPULSION Chapter 8 Thrust Augmentation 1933 Alvis Engine 2014 Hyundai Engine Power...
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Transcript of PISTON ENGINE PROPULSION Chapter 8 Thrust Augmentation 1933 Alvis Engine 2014 Hyundai Engine Power...
PISTON ENGINE PROPULSIONChapter 8
Thrust Augmentation
1933 Alvis Engine
2014HyundaiEngine
Power Boosting
CARB.AIR
FILTER
ENGINE
THE PARTIAL VACUUM TENDS TO WORK AGAINST THE PISTON MOVEMENT MAKING IT HARDER FOR THEM TO PULL AIR IN
INLET MANIFOLD
AND FLOW RESTRICTION THROUGH THROTTLE VALVE CAUSED BY SUCTION FROM ENGINE
BETWEEN THROTTLE VALVE AND ENGINE IS A PARTIAL VACUUM
EXHAUSTMANIFOLD
INLET MANIFOLD VACUUM
AND THEREFORE, THE CYLINDER MAY NOT BE FULLY CHARGED 100% WITH AIR/FUEL MIXTURE
IF AIR COULD BE FORCED INTO THE ENGINE, THERE WOULD BE A GREATER VOLUME OF AIR/FUEL IN THE CYLINDER
THEREFORE MORE POWER WOULD BE PRODUCED
SO HOW COULD THIS BE ACHIEVED?
BY USING AN AIR COMPRESSOR
LET’S SEE HOWLET’S SEE HOW
Fuel Control
Engine
AirFilter
AIR COMPRESSOR
CUT IN HALF AND LOOK AT CROSS SECTION
CROSS SECTION
ROTORROTOR
ROTOR VANES
STATOR VANES
OUTLET DUCT
TAKE LID OFF AND LOOK INSIDE
AIR COMPRESSOR
TYPICAL ROTOR
AIR ENTERS THE ‘EYE’ OF THE ROTOR
AIR COMPRESSOR
AIR COMPRESSORSUPERCHARGER – DRIVEN BY THE ENGINE
GEAR OR BELT DRIVE
COMPRESSED AIR TO ENGINE
TURBOCHARGER – DRIVEN BY THE ENGINE EXHAUST GASES
EXHAUST GASES FROM ENGINE
THROUGH EXHAUST PIPE
TURBINE BLADES
Any questions?