rotor performance
21Wind turbine design — An example of a wind turbine, this 3 bladed turbine is the classic design of modern wind turbines Wind turbines History Design …
22Disk loading — The MV 22 Osprey tiltrotor has a relatively high disk loading, producing visible blade tip vortices from condensation of the marine air in this photo of a vertical takeoff …
23Disc brake — Close up of a disc brake on a car On automobiles, disc brakes are often located with …
24Ground effect in aircraft — Aircraft may be affected by a number of ground effects, aerodynamic effects due to a flying body s proximity to the ground.One of the most important of these effects is the Wing In Ground effect, which refers to the reduction in drag experienced… …
25Radio-controlled helicopter — Nitro powered Align T Rex 600 NSP Electric powered Venom Ai …
26Vector control (motor) — Vector control (also called Field Oriented Control, FOC) is one method used in variable frequency drives to control the torque (and thus finally the speed) of three phase AC electric motors by controlling the current fed to the machine.MethodThe… …
27aerospace industry — Introduction assemblage of manufacturing concerns that deal with vehicular flight within and beyond the Earth s atmosphere. (The term aerospace is derived from the words aeronautics and spaceflight.) The aerospace industry is engaged in the …
28Boeing AH-64 Apache — AH 64 Apache An AH 64D Apache from U.S. Army s 101st Aviation R …
29Betz' law — Please see discussion accessed from the above tab for issues related to proof. Betz law reflects a theory for flow machines, developed by Albert Betz. It shows the maximum possible energy known as the Betz limit that may be derived by means of an …
30turbine — /terr bin, buyn/, n. any of various machines having a rotor, usually with vanes or blades, driven by the pressure, momentum, or reactive thrust of a moving fluid, as steam, water, hot gases, or air, either occurring in the form of free jets or as …
