The Basic Principle of Flight

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Flight has been a dream of mankind, after the completion of the first powered airplane flight initiative from the Wright brothers, aviation technology is changing rapidly. From ancient light aircraft to a hundred tons airliner or even a fighter jet that flexible than eagle, flying technology has become one of the amazing achievement in science and technology.
Aerodynamics is a fundamental principle of flight and civil aircraft unit, in order to have the ability to move on the sky, the force balance of the air lift must be greater than weight and the thrust is greater than the drag. An airplane uses wings for lift and thrust engines. Drag is reduced by the smooth shape of an airplane and its weight is controlled by the materials from which it is constructed.

Lift
Following Bernoulli principle, to be able to launch aircraft (on the bottom of the wing due to a pressure difference between the different flow rates) has subsequently led to the overthrow of the lift; the aircraft cannot be explained as inverted. We should be able to generate lift comes boundary layer theory, it simply due to the speed of the air flow through the wing of the discontinuity caused vortex, the angle of attack (the angle of the wing air flow) when the larger, higher lift coefficient rise the stronger, but beyond a certain angle of attack will not generate lift stall. Of course, it has very complex calculations on that.
Drag
When the object forward, as long as physical body that is propelled through the air will experience resistance, this resistance is called drag. If the cross-sectional area in contact with the forward direction of the greater relative, air resistance will be greater, in addition to friction (stiction due to fluid there) and induced drag...

... middle of paper ...

...ngine, you have to rely on the engine to slide into the platform. So when landing, engines usually open revers to eliminate the strength to move forward.

Past century, aircraft make our huge planet that we live as a narrow little world. In addition, Wright brothers successfully laid the foundation for today's astronauts.
For centuries, people dreamed of flying. But in fact, they believe were riding Aladdin "flying carpet" in the real world is just an impossible dream exists. However, the genius creation (aircraft) of Wright brothers, it change the dream of the human from myth into reality.

Works Cited

"Parts of Airplane." Parts of Airplane. Web. 14 Dec. 2013.
"Theory of Flight." Theory of Flight. Man-Vehicle Laboratory. MIT Department of Aeronautics and Astronautics, 16 Mar. 1997. Web. 15 Dec. 2013.
Newton. I. Philosophiæ Naturalis Principia Mathematica, 1687.

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