Useful Links
Engineering
Aerospace Engineering
Aviation and Flight Principles
1. Introduction to Aviation and Flight
2. The Four Fundamental Forces of Flight
3. Aerodynamics of Airfoils and Wings
4. Aircraft Performance
5. Propulsion Systems
6. Flight Stability and Control
7. Flight in Different Speed Regimes
8. Flight Instruments and Navigation Systems
Propulsion Systems
Principles of Propulsion
Thrust Generation Theory
Newton's Third Law Application
Momentum Theory
Mass Flow and Velocity Change
Propulsive Efficiency
Definition and Calculation
Ideal Efficiency
Actual Efficiency Factors
Power vs Thrust
Power Required for Thrust
Propeller vs Jet Efficiency
Speed Regime Considerations
Reciprocating Engines
Engine Operating Principles
Four-Stroke Cycle
Intake Stroke
Valve Operation
Mixture Induction
Compression Stroke
Compression Ratio
Temperature Rise
Power Stroke
Combustion Process
Pressure Development
Exhaust Stroke
Exhaust Valve Operation
Residual Gas Effects
Two-Stroke Cycle
Operating Principles
Engine Configuration
Cylinder Arrangements
Inline Engines
V-Type Engines
Radial Engines
Opposed Engines
Engine Displacement
Bore and Stroke
Compression Ratio
Engine Systems
Cooling Systems
Air-Cooled Engines
Cooling Fins
Cowl Flaps
Cooling Air Flow
Liquid-Cooled Engines
Coolant Circulation
Radiator Systems
Temperature Control
Lubrication Systems
Oil Functions
Oil Circulation
Oil Cooling
Oil Pressure Systems
Fuel Systems
Fuel Delivery
Carburetor Systems
Fuel Injection Systems
Fuel Metering
Ignition Systems
Magneto Operation
Spark Plug Function
Timing Considerations
Engine Performance
Power Output
Brake Horsepower
Indicated Horsepower
Friction Horsepower
Fuel Consumption
Specific Fuel Consumption
Mixture Control
Power Setting Effects
Altitude Effects
Power Loss with Altitude
Turbocharging
Supercharging
Gas Turbine Engines
Basic Turbine Operation
Brayton Cycle
Energy Addition Process
Thermodynamic Efficiency
Engine Components
Air Intake
Inlet Design
Ram Air Recovery
Compressor Section
Centrifugal Compressors
Axial Flow Compressors
Compression Ratio
Compressor Stall
Combustion Section
Combustion Chamber Design
Fuel Injection
Flame Stability
Temperature Limits
Turbine Section
Turbine Blade Design
Temperature Resistance
Power Extraction
Exhaust Section
Nozzle Design
Thrust Production
Afterburning
Types of Gas Turbine Engines
Turbojet Engines
Pure Jet Operation
High-Speed Applications
Fuel Consumption Characteristics
Turbofan Engines
Bypass Ratio Concept
High Bypass Turbofans
Low Bypass Turbofans
Efficiency Advantages
Noise Reduction
Turboprop Engines
Propeller Integration
Reduction Gearing
Low-Speed Efficiency
Power Turbine Design
Turboshaft Engines
Helicopter Applications
Power Turbine Operation
Torque Production
Engine Performance
Thrust Characteristics
Static Thrust
Thrust Variation with Speed
Altitude Effects
Fuel Consumption
Thrust Specific Fuel Consumption
Efficiency Considerations
Engine Limitations
Temperature Limits
Rotational Speed Limits
Pressure Limits
Propeller Theory and Design
Propeller as Rotating Airfoil
Blade Element Theory
Airfoil Sections
Angle of Attack Variation
Relative Wind Concepts
Propeller Geometry
Blade Angle and Pitch
Geometric Pitch
Effective Pitch
Pitch Distribution
Blade Twist
Washout Requirements
Efficiency Optimization
Number of Blades
Two-Blade Propellers
Multi-Blade Propellers
Trade-offs
Types of Propellers
Fixed-Pitch Propellers
Design Compromises
Climb vs Cruise
Cost Considerations
Constant-Speed Propellers
Governor Operation
Blade Angle Control
Performance Benefits
Reversible Propellers
Reverse Thrust Operation
Beta Range
Ground Operations
Propeller Performance
Propeller Efficiency
Factors Affecting Efficiency
Speed and Altitude Effects
Propeller Charts
Propeller Curves
Power Required vs Available
Efficiency Curves
Operating Envelopes
Propeller Effects
Slipstream Effects
Torque Effects
P-Factor
Gyroscopic Effects
Previous
4. Aircraft Performance
Go to top
Next
6. Flight Stability and Control