- airfoils
- Airfoils
Большой англо-русский и русско-английский словарь. 2001.
airfoils
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airfoils — n. surface (as in a wing, propeller, etc.) designed to aid in lifting and controlling an aircraft by means of air currents (Aeronautics) … English contemporary dictionary
airfoil classification — Airfoils are divided into three classes: high lift, general purpose, and high speed. High lift aerofoil sections are normally used on sailplanes and aircraft with short field operations. They have a high thickness chord ratio, a pronounced camber … Aviation dictionary
Airfoil — An airfoil (in American English) or aerofoil (in British English) is the shape of a wing or blade (of a propeller, rotor or turbine) or sail as seen in cross section. An airfoil shaped body moved through a fluid produces a force perpendicular to… … Wikipedia
NACA airfoil — Profile geometry – 1: Zero lift line; 2: Leading edge; 3: Nose circle; 4: Camber; 5: Max. thickness; 6: Upper surface; 7: Trailing edge; 8: Camber mean line; 9: Lower surface … Wikipedia
airplane — /air playn /, n. 1. a heavier than air aircraft kept aloft by the upward thrust exerted by the passing air on its fixed wings and driven by propellers, jet propulsion, etc. 2. any similar heavier than air aircraft, as a glider or helicopter. Also … Universalium
Jonathan Edward Caldwell — (born 1883, date of death unknown) was a self taught aeronautical engineer who designed a series of bizarre aircraft and started public companies in order to finance their construction. None of these was ever successful, and after his last known… … Wikipedia
Stall (flight) — For other uses, see stall. In fluid dynamics, a stall is a reduction in the lift coefficient generated by a foil as angle of attack increases. This occurs when the critical angle of attack of the foil is exceeded. The critical angle of attack is… … Wikipedia
Gurney flap — The Gurney Flap (or wickerbill) is a small flat tab projecting from the trailing edge of a wing. Typically it is set at a right angle to the pressure side surface of the airfoil,cite journal author = Van Dam, C.P. coauthors = Yen, D.T.; Vijgen, P … Wikipedia
Eastman Jacobs — Eastman N. Jacobs (1902 ndash;1987) was a leading aerodynamicist who worked for NACA s Langley Research Center from the 1920s to the 1940s. He was responsible for advancing many fields in aerodynamics, dealing particularly with wind tunnels,… … Wikipedia
North American P-51 Mustang — P 51 redirects here. For other uses, see P51 (disambiguation). P 51 Mustang P 51 Mustangs of the 375th Fighter Squadron, 361st Fighter Group … Wikipedia
Lift (force) — For other uses, see Lift. Boeing 747 8F landing A fluid flowing past the surface of a body exerts a surface force on it. Lift is the component of this force that is perpendicular to the … Wikipedia
