081-01 SUBSONIC AERODYNAMICS

081-01 SUBSONIC AERODYNAMICS

About this course

Course Information

Aerodynamics handles a mix of imperial, metric and other units but for our purpose we need to know the SI units for some common factors like: Kilogram for mass, Newton for Force and weight, metres per second square for acceleration, metres per second for velocity, Kelvin for temperature, Pascal for pressure, kilograms per cubic metre for density, Joule for energy, Newtons per metres square for wing loading and watt for power. Courses are constantly monitored and updated when major changes in authority documentation is released. Mass : Kilogram (kg) Weight : Newton (N) Force : Newton: kgm/s^2 Acceleration : m/s^2 Velocity : m/s Temperature : Kelvin (K),(273+°C) Pressure : Pascal (Pa) ,(N/m^2) Density : ρ (kg/m^3) Energy : Joule (J) , Power : Watt (W), 1J/sec Gravity : 9.81 m/s^2

Course Information

Course
081-01 SUBSONIC AERODYNAMICS
Exam
Not included
Course Duration
1:51:43
Slides
144
Tags

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Content of the Course

COURSE START
BASICS, LAWS AND DEFINITIONS / LAWS AND DEFINITIONS
Newtons’ Law
Air Density
Static-Dinamic Pressure
Bernoulli’s Theorem And Venturi
Equation Of Continuity
Dynamic Pressure And Ias
Speed Terms
BASICS ABOUT AIRFLOW AIFLOW
AERODYNAMIC FORCES AND MOMENTS ON AEROFOILS / TOTAL REACTION FORCE
A CENTRE OF PRESSURE AND AERODYNAMIC CENTRE / AERODYNAMIC MOMENT
Equilibrium Of Forces
Angle Of Attack
SHAPE OF AN AEROFOIL SECTION / AIRFOIL SECTION
POSITIVE CAMBERED & SYMMETRICAL AIRFOILS
WING SHAPE / WING TIP-ROOT, SPAN
WING PLANFORM, TAPER
Mean (Aerodynamic) Chord
The Aspect Ratio
Dihedral, Sweep, Twist
Angle Of Incidence
TWO-DIMENSIONAL AIRFLOW AROUND AN AEROFOIL / STREAMLINE PATTERN
Upwash / Downwash
Stagnation Point
Pressure Distribution
Lift And Downwash
Influence Of Angle Of Attack
The Lift – Α Graph
Flow Separatıon At High Angles Of Attack And Stall
Drag And Wake
COEFFICIENTS / THE LIFT COEFFICIENT CL
THE DRAG COEFFICIENT CD
Drag And Wake
THREE-DIMENSIONAL AIRFLOW ABOUT AN AEROPLANE
STREAMLINE PATTERN (3D)
Spanwise Flow
Upwash / Downwash
Wing Tip Vortices For Different Aoa
INDUCED DRAG
Induced Drag Coefficient
TOTAL DRAG
PARASITE DRAG
TOTAL DRAG AND SPEED
THE TOTAL DRAG – SPEED GRAPH
Speed Stability
GROUND EFFECT / EFFECT ON CDI
EFFECT ON CL AND Α STALL
EFFECT ON TAKE-OFF AND LANDING CHARACTERISTICS OF AN AEROPLANE
THE RELATIONSHIP BETWEEN THE LIFT COEFFICIENT AND SPEED IN STEADY, STRAIGHT AND LEVEL FLIGHT / STRAIGHT AND LEVEL FLIGHT
THE STALL FLOW SEPARATION AT INCREASING ANGLES OF ATTACK / BOUNDARY LAYER
Laminar / Turbulent Layer
Stall development vs. Wing planform
Pre-Stall Buffet
THE STALL SPEED
Stall development vs. Wing planform
STALL WARNING
SPECIAL PHENOMENA OF STALL
Super (Deep) Stall
Stabilizer Stall
Contaminated Wing
De/Anti-Ice Fluid
Spins
CLMAX AUGMENTATION / TRAILING EDGE FLAPS AND THE REASONS FOR USE IN TAKE-OFF AND LANDING
LEADING EDGE HIGH LIFT DEVICES
Vortex Generators
MEANS TO REDUCE THE CL – CD RATIO / SPOILERS AND THE REASONS FOR USE IN THE DIFFERENT PHASES OF FLIGHT
SPOILERS
SPEED BRAKES AND THE REASONS FOR USE IN THE DIFFERENT PHASES OF FLIGHT
THE BOUNDARY LAYER / THEIR ADVANTAGES AND DISADVANTAGES ON PRESSURE DRAG AND FRICTION DRAG
AERODYNAMIC DEGRADATION / ICE AND OTHER CONTAMINANTS
DEFORMATION AND MODIFICATION OF AIRFRAME, AGEING AEROPLANES / AEROPLANE AGEING
COURSE END