Induced Drag
In the context of aerospace engineering, induced drag is a type of aerodynamic drag that occurs whenever a moving object redirects the airflow direction. It is particularly relevant in the design and operation of aircraft. Induced drag is directly related to the production of lift on an aircraft. As an aircraft generates lift, it induces a flow of air down behind it, creating a vortex. This vortex causes a change in pressure and velocity, which in turn creates a force that opposes the forward motion of the aircraft. This opposing force is known as induced drag. The amount of induced drag produced by an aircraft is dependent on several factors, including the shape and size of the wings, the speed of the aircraft, and the density of the air. Induced drag is a significant factor in the overall drag force that must be overcome by the engines of an aircraft. Therefore, reducing induced drag is a key objective in aircraft design, and various techniques such as winglets and other aerodynamic improvements are used to achieve this.
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