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The visible cone is a supersonic diffuser with a requirement for low loss in total pressure, and the rear, streamlined part, together with the internal surface profile of the duct, forms the subsonic diffuser, also with a requirement for low loss in total pressure as the air slows to the compressor entry Mach number.
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:
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
The L-159A ALCA is a single-seat light multi-role combat aircraft designed for a variety of air-to-air, air-to-ground and reconnaissance missions. The aircraft is equipped with a multi-mode Doppler Grifo-L radar (a variant of the Grifo-F x-band multi-mode, pulse-doppler radar ), [ 49 ] for all-weather, day and night operations.
Czech subsonic multi-role combat aircraft Aero L-159 ALCA.. A subsonic aircraft is an aircraft with a maximum speed less than the speed of sound (Mach 1). The term technically describes an aircraft that flies below its critical Mach number, typically around Mach 0.8.
The L-15A subsonic advanced jet trainer is powered by the Ivchenko-Progress AI-222-25 [2] and has seven weapon hardpoints. [10] The supersonic advanced fighter trainer variant is powered by the afterburning AI-222K-25. [2] According to a Ukrainian source, 25% of the aircraft is composed of composite materials and its service life is 10,000 ...
Today's Wordle Answer for #1259 on Friday, November 29, 2024. Today's Wordle answer on Friday, November 29, 2024, is HIPPO. How'd you do? Next: Catch up on other Wordle answers from this week.
Cooling air for the turbines may flow through the shaft from the compressor. Diffuser section: – The diffuser slows down the compressor delivery air to reduce flow losses in the combustor. Slower air is also required to help stabilize the combustion flame and the higher static pressure improves the combustion efficiency. [14]