MacDonald, Alexander Forsyth, 1897-1965 · Port Credit, Ont. : Aviation Service Corporation · leaf 33
istance to travel. Its velocity will there-fore be increased. BERNOUILLIS THEOREM states that as the velocity(Kinetic Energy) of a body is increased, the pressure(Pressure Energy) is decreased proportionally, and viceversa. Hence the increased velocity will cause an area ofdecreased pressure over… … CREASEDPRESSURE wind as it is moved forward is called the ANGLE OFATTACK (Symbol ). As the Angle of Attack is increased, the pressureareas increase up to a point (the stalling angle). Beyondthis angle, they decrease. (Fig 4). If we consider all the distributed pressure to beequivalent to a single…
Airplanes
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