subsonic area
11Jet engine — For a general overview of aircraft engines, see Aircraft engine. A Pratt Whitney F100 turbofan engine for the …
12Naval weaponry of the People's Liberation Army Navy — The People s Liberation Army Navy (PLAN) is the naval branch of the People s Liberation Army (PLA), the armed forces of the People s Republic of China. The PLAN force consists of approx. 250,000 men and over a hundred major combat vessels,… …
13Turbofan — [ CFM56 3 turbofan, lower half, side view.] A turbofan is a type of jet engine, similar to a turbojet. It essentially consists of a ducted fan with a smaller diameter turbojet engine mounted behind it that powers the fan. Part of the airstream… …
14Rayleigh flow — refers to diabatic flow through a constant area duct where the effect of heat addition or rejection is considered. Compressibility effects often come into consideration, although the Rayleigh flow model certainly also applies to incompressible… …
15B-1 Lancer — Infobox Aircraft name = B 1 Lancer type = Strategic bomber national origin = United States manufacturer = North American Rockwell Rockwell International Boeing caption = A B 1B Lancer in flight. designer = first flight = 23 December 1974… …
16Concorde — For other uses, see Concorde (disambiguation). Concorde Role Supersonic airliner …
17Mach number — (mathrm{Ma} or M) (generally pronEng|ˈmɑːk, sometimes IPA|/ˈmɑːx/ or IPA|/ˈmæk/) is the speed of an object moving through air, or any fluid substance, divided by the speed of sound as it is in that substance. It is commonly used to represent an… …
18XB-70 Valkyrie — Infobox Aircraft name=XB 70 Valkyrie type=Strategic bomber Supersonic research aircraft manufacturer=North American Aviation caption= designer= first flight=21 September 1964 introduced= retired= number built=2 XB 70s status=Retired from testing… …
19Cenepa War — Infobox Military Conflict conflict= Cenepa War partof=the Ecuadorian Peruvian Conflicts date= January 26 – February 28, 1995 place= Upper Cenepa river valley (Ecuadorian Peruvian border) caption= Ecuadorian and Peruvian bases in the Cenepa Valley …
20De Laval nozzle — A de Laval nozzle (or convergent divergent nozzle, CD nozzle or con di nozzle) is a tube that is pinched in the middle, making an hourglass shape. It is used as a means of accelerating the flow of a gas passing through it to a supersonic speed.… …
