In general, thrusts, wheel brakes and spoilers can help the aircraft slow down when landing. A thrust reverser is a device that produces thrust in the direction opposite to the direction of flight of the airplane. During engine operation, a large amount of gas is ejected backward at high speed, generating thrust consistent with the flight direction of the aircraft, allowing the aircraft to overcome air resistance and fly forward. The thrust reverser bends the engine gas to the front of the engine, causing the gas to be ejected to the front of the engine, generating a force opposite to the forward direction of the aircraft, I .e., reverse thrust, which helps the aircraft to decelerate more quickly.

The wheel brakes are the main deceleration device during aircraft landing and taxiing. When the driver operates the brake, the hydraulic oil enters the brake cylinder fixed on the axle, presses the brake pad, and presses the rotor and stator. As the friction increases the torque that prevents the wheels from rolling, the ground friction that the wheels receive during rolling increases significantly, and the sliding speed of the aircraft decreases. Spoilers can be divided into ground spoilers and flight spoilers according to their functions. The spoiler can only be used on the ground. When the aircraft lands, the ground spoiler can be fully released to remove the wing lift and improve the braking efficiency. The spoiler can be used in the air or on the ground. When used on the ground, it acts like a spoiler.

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