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An inlet cone, as part of an Oswatitsch-type inlet used on a supersonic aircraft or missile, is the 3D-surface on which supersonic ram compression for a gas turbine engine or ramjet combustor takes place through oblique shock waves. Slowing the air to low supersonic speeds using a cone minimizes loss in total pressure (increases pressure recovery).
The Advanced Tactical Fighter (ATF) was a program undertaken by the United States Air Force to develop a next-generation air superiority fighter to replace the F-15 Eagle in order to counter emerging worldwide threats in the 1980s, including Soviet Sukhoi Su-27 and Mikoyan MiG-29 fighters under development, Beriev A-50 airborne warning and control systems (AWACS), and increasingly ...
While it probably won't matter much once we're pitting one robot army against another, it appears that the US Air Force is looking into new "subterranean vehicles" that could be used to navigate ...
A round diffuser in an HVAC system. Diffusers are very common in heating, ventilating, and air-conditioning systems. [3] Diffusers are used in both all-air and air-water HVAC systems, as part of room air distribution subsystems, and serve several purposes: To deliver both conditioning and ventilating air
Three US Air Force F-35 Lightning II Joint Strike Fighters. US Air Force photo/Staff Sgt. Madelyn Brown. Lockheed Martin's F-35 Lightning II is one of the world's most advanced fighter jets.
An early US supersonic fighter, the F-100 Super Sabre, used such an intake. An unswept lip generate a shock wave, which is reflected multiple times in the inlet. The more reflections before the flow gets subsonic, the better pressure recovery. More advanced supersonic intakes, excluding pitots:
The diffuser converts the high velocity of the air approaching the intake into high (static) pressure required for combustion. High combustion pressures minimise entropy rise during heat addition, [20] this minimising wasted thermal energy in the exhaust gases [21] Subsonic and low-supersonic ramjets use a pitot-type opening for the inlet. This ...
The Aero L-159 ALCA [nb 1] is a subsonic light combat aircraft and advanced trainer developed in the single-seat L-159A and two-seat L-159B versions, respectively, produced in the Czech Republic by Aero Vodochody.