Airplanes How They Work Term paper
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I am doing my report
Title: Airplanes How they workType: Research PaperAcademic Level: HighschoolContent: The aerodynamics of the airplaneDescription: To explain how the plane works
I am doing my report on the airplane. To understand an airplane better you have to understand the principles of flight. An airplane flies because air moving over and under its surfaces particularly its wings travels at different velocities producing a difference in air pressure low above the wing and high below it. The low pressure exerts a pulling force and the high pressure a pushing force. The lifting force, usually called lift, depends on the shape, area, and tilt of the wind, and on the speed of the aircraft. The shape of the wing causes the air streaming above and below the wing to travel at different velocities. The greater distance over which the air must travel above the curved upper surface forces that air to move faster to keep pace with the air moving along the flat lower surface. According to burnuli's principle, it is this difference in air velocity that produces the difference in air pressure. you must also understand lift. wing area influences lift; the more of the wing that is exposed to the air, the greater the lift. The up or down tilt of the wing, usually called its angle of attack, contributes to or detracts from lift. As a wing is tilted upward, that is, as its angle of attack is increased, its lift increases. The air passing over the top of an uptilted wing must travel a greater distance and therefore produces a greater pressure differential between the upper and lower surfaces. Aircraft speed has a great influence on lift. The faster the air moves over and under the surfaces of an airplane, the greater the pressure differential and, as a result, the greater the lift. As an airplane flies on a level course, the lift contributed by the wind and other parts of the structure counterbalance the weight of the plane. Within certain limits, if the angle of attack is increased while the speed remains constant, the plane will rise. If the angle of attack is decreased, that is, the wing is tilted downward, the plane will lose lift and start to descend.
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