Angular velocity is the rate of change of the angular displacement of an object with respect to time. It is measured in radians per second (rad/s) or degrees per second (deg/s).
The angular velocity of an airplane propeller affects the flight by determining the speed and direction of the propeller, which in turn generates thrust to propel the airplane. It also affects the stability and maneuverability of the airplane.
The angular velocity of an airplane propeller can be calculated by dividing the change in angular displacement by the change in time. This can be represented by the equation ω = Δθ/Δt, where ω is the angular velocity, Δθ is the change in angular displacement, and Δt is the change in time.
The angular velocity of an airplane propeller can be affected by factors such as the engine power, air density, altitude, and airspeed. Changes in any of these factors can impact the speed and direction of the propeller, thus affecting its angular velocity.
The angular velocity of an airplane propeller changes during takeoff and landing due to changes in the engine power and airspeed. During takeoff, the angular velocity increases as the engine power and airspeed increase. During landing, the angular velocity decreases as the engine power and airspeed decrease to slow down the airplane.