Fundamentals of jet propulsion ppt

Post on 16-Jul-2015

271 views 15 download

Tags:

transcript

POWER PLANT INSTALLATIONMOUNTED POD INSTALLATION FUSELAGE - MOUNTED POD INSTALLATION

MOUNTED POD INSTALLATION WING LEADING EDGE INTAKES

FUSELAGE INTAKES

FORCES OF AN AIRCRAFT

WEIGHT

THRUST

DRAG

LIFT

TYPES OF AEROSPACE PROPULSION SYSTEM

ROCKET MOTORS

PISTON AERODYNAMIC ENGINES

TURBOJET ENGINES

TURBOFAN ENGINES

TURBO PROP ENGINES

TURBO SHAFT ENGINES

RAMJET ENGINE

SCRAM JET ENGINE

Rocket motors

PISTON AERODYNAMIC ENGINES

TURBO JET ENGINES

TURBO FAN ENGINES

TURBO PROP ENGINES

TURBO SHAFT ENGINES

RAMJET ENGINE

SCRAM JET ENGINE

ENGINES WORKED BY TWO TYPES OF SYSTEM

CLOSED SYSTEM OPEN SYSTEM

ELEMENTS OF AIRCRAFT ENGINE SYSTEM

INLET DIFFUSER [SUBSONIC & SUPERSONIC]

COMPRESSOR – [TYPES CENTRIFUGAL & AXIAL]

COMBUSTION CHAMBER [ TYPES LARGE SINGLE , MULTIPLE,

ANNULAR & CAN OR TURBULAR TYPE]

TURBINE UNIT

NOZZLE [TYPES CONVERGENT DIVERGENT & C-D]

INLET DIFFUSER

SUB SONIC INLET

SUPERSONIC INLET

SUBSONIC INLET

SUBSONIC INLET FLOW PATTERNS

SUPERSONIC INLET

COMPRESSORSCENTRIFUGAL COMPRESSOR

AXIAL FLOW COMPRESSOR

CENTRIFUGAL COMPRESSOR

OLD TYPE ENGINE CENTRIFUGAL

COMPONENTS OF A CENTRIFUGAL COMPRESSOR

INLET

CENTRIFUGAL IMPELLER

DIFFUSER

COLLECTOR

Typical impellers for

centrifugal

compressors

TYPICAL TYPES OF FAN BLADES

OVERHEATED TURBINE BLADES

AXIAL FLOW COMPRESSOR

COMPONENTS OF AN AXIAL FLOW COMPRESSOR

HIGH PRESSURE COMPRESSOR

LOW PRESSURE COMPRESSOR

STATAR BLADES

ROTAR BLADES

COMBUSTION CHAMBER

TYPES OF COMBUSTION CHAMBER

LARGE SINGLE COMBUSION CHAMBER

MULTIPLE COMBUSION CHAMBER

ANNULAR COMBUSION CHAMBER

CAN OR TUBULAR COMBUSION CHAMBER

LARGE SINGLE TYPE CC

MULTIPLE COMBUSTION CHAMBERS

ANNULAR COMBUSTION CHAMBER

TUBO-ANNULAR COMBUSTION CHAMBER

AN EARLY COMBUSTION CHAMBER

APPORTIONING THE AIRFLOW

FLAME STABILIZING AND GENERAL AIRFLOW PATTERN

FLAME TUBE COOLING METHODS

TURBINE UNIT

TYPES BY STAGES

A TRIPLE-STAGE TURBINE WITH SINGLE SHAFT

SYSTEM

A TWIN TURBINE AND SHAFT ARRANGEMENT

A TYPICAL TURBINE BLADE SHOWING

TWISTED CONTOUR

VARIOUS METHODS OF ATTACHING BLADES TO

TURBINE DISCS

WIDE CHORD FAN BLADECONSTRUCTION

CERAMIC TURBINE BLADES

NOZZLE OR EXHAUST

SYSTEM

EXHAUST SYSTEM WITH THRUST REVERSER, NOISE SUPPRESSOR AND TWO

POSITION PROPELLING NOZZLE

COMPARISION B/W LOW & HIGH BY-PASS RATIO

A low by-pass air mixer unit High by-pass ratio engine exhaust systems

CHANGE OF EXHAUST JET PATTERN TO REDUCE NOISE

LEVEL

TYPES OF NOZZLE

CONVERGENT NOZZLE

DIVERGENT NOZZLE

CONVERGENT-DIVERGENT

NOZZLE

ANY QUERIES ?