18-04-2013, 03:21 PM
ENGINES AND AVIATION
ENGINES AND AVIATION.pptx (Size: 856.91 KB / Downloads: 28)
INTRODUCTION
INVENTION OF FLYING OBJECTS LIKE ORNITHOPTER,
HANG GLIDER ETC
SINCE STEAM ENGINE IS HEAVY SO IT CAN’T BE USED FOR LIFTING AIRCRAFT
SO THEY USED GAS ENGINE WHICH GOT HIGH THRUST TO WEIGTH RATIO
ANATOMY OF AIRCRAFT
PARTS:
FUSELAGE
LEFT WING(PORT)
RIGHT WING(STAR BOARD)
HORIZONTAL STABILIZER
VERTICAL STABILIZER
LANDING GEAR
ENGINE
MACH NUMBER
Mach No= Velocity Of Object/Velocity Of Sound
Dimensionless Quantity Representing The Ratio Of Speed Of An Object Moving Through A Fluid And The Local Speed Of Sound.
Where
Is The Mach Number,
Is The Velocity Of The Source Relative To The Medium And
Is The Speed Of Sound In The Medium.
TURBOFAN ENGINE
High-bypass turbofans are usually most efficient when the aircraft is traveling at 500 to 550 miles per hour (800 to 885 km/h), the cruise speed of most large airliners. Low-bypass turbofans can reach supersonic speeds, though normally only when fitted with afterburners.
CONCLUSION
THE SPEED OF THE AIRCRAFT IS DENOTED BY MACH NUMBER(M)
NOWADAYS THE PEOPLE WANT TO UTILIZE EACH AND EVERY SECOND EFFECTIVELY SO THEY GET FASTER SO THEY NEED TO MOVE FASTER.ALTHOUG THE FIGTHER ENGINES GOT 3 - 4 MACH NO.(1000,S miles/hour),THE RESEARCH PEOPLE ARE KEEP ON TRYING TO DEVLOP THE PERFORMANCE AND SPEED OF THE AIRCRAFT.