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Sweeping jet actuators are a type of active flow control technology based on fluidic oscillators used to produce sweeping jets. The first use of fluidic oscillators in the form of sweeping jets for flow control was demonstrated by Raman et al., 1999.<Cavity Resonance Suppression Using Miniature Fluidic Oscillators, G. Raman, S. Raghu and T.J. Bencic' AIAA-99-1900, 5th AIAA/CEAS Aeroacoustics ...
The TR-1 Temp (Russian: Темп-С, Temp-S, meaning 'Speed') was a mobile theatre ballistic missile developed and deployed by the Soviet Union during the Cold War.It was assigned the NATO reporting name SS-12 Scaleboard and carried the industrial designation 9M76 and the GRAU index 9К76.
A de Laval nozzle (or convergent-divergent nozzle, CD nozzle or con-di nozzle) is a tube which is pinched in the middle, with a rapid convergence and gradual divergence. It is used to accelerate a compressible fluid to supersonic speeds in the axial (thrust) direction, by converting the thermal energy of the flow into kinetic energy .
CFMI tested both a mixed and unmixed exhaust design at the beginning of development; [4] most variants of the engine have an unmixed exhaust nozzle. [nb 2] Only the high-power CFM56-5C, designed for the Airbus A340, has a mixed-flow exhaust nozzle. [nb 1] [53] GE and Snecma also tested the effectiveness of chevrons on reducing jet noise.
The AS.12 originally entered service with the French Navy in 1960 in the air-to-surface role against ships and submarines on the surface. In 1966 the French Navy made an evaluation of the SS.11(M) and SS.12(M) from the fast patrol boat La Combattante. [1] In 1966, the Libyan Navy ordered three fast patrol boats from Vosper (Sebha, Sirte and Susa).
Exhaust mixer of a JT8D engine of a Boeing 737-200. In aviation, an exhaust mixer / flow mixer is a feature of many turbofan engines, where slower, colder bypass air is mixed with faster, hotter core exhaust gases, before exhausting to atmospheric pressure through a common (mixed flow) propelling nozzle.
Strategic Air Command equipment includes weapon systems and ordnance (e.g., strategic weapons such as ICBMs), ground radars and computers (e.g., at SSN 1979-82), and other Cold War devices of the USAF major command.
The bell redirects exhaust moving in the wrong direction so that it generates thrust in the correct direction. Ambient air pressure also imparts a small pressure against the exhaust, helping to keep it moving in the "right" direction as it exits the engine. As the vehicle travels upward through the atmosphere, ambient air pressure is reduced.
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