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Some wind tunnel laboratories perform periodical checkouts using internally defined standard models that are selected from the repository of models previously tested in the facility [16] Geometry of a standard wind tunnel model is defined relative to some easily identified parameter , e.g. body diameter or wing chord. [1]
AGARD-B is a standard wind tunnel model (calibration model) that is used to verify, by comparison of test results with previously published data, the measurement chain in a wind tunnel. Together with its derivative AGARD-C it belongs to a family [1] of AGARD standard wind tunnel models.
Vertical wind tunnel T-105 at Central Aerohydrodynamic Institute, Moscow, built in 1941 for aircraft testing Model aircraft in a vertical tunnel showing parachute used to help recovery from a spin. Vertical wind tunnels have a test section with air flowing upwards.
De-Havilland Wind Tunnel 2.65 m (8 ft 8 in) by 2.04 m (6 ft 8 in) Handley-Page Wind Tunnel 2.13 m (7 ft 0 in) by 1.61 m (5 ft 3 in) Low Speed Wind Tunnel 1.15 m (3 ft 9 in) by 0.95 m (3 ft 1 in) Flow Visualisation Wind Tunnel 0.90 m (2 ft 11 in) by 0.90 m (2 ft 11 in) United Kingdom University of Manchester [17] Operational
AGARD-C standard wind tunnel model on a sting fixture (CAD model) AGARD-C wind tunnel model on a bent sting (CAD model) A hypothetical wind tunnel model on a Z-sting (CAD model) In experimental fluid mechanics, a sting is a test fixture on which models are mounted for testing, e.g. in a wind tunnel. A sting is usually a long shaft attaching to ...
The Variable Density Tunnel (VDT) was the second wind tunnel at the National Advisory Committee for Aeronautics Langley Research Center.Proposed by German aerospace engineer, Max Munk, student of Ludwig Prandtl, it was the world's first variable density wind tunnel and allowed for more accurate testing of small-scale models than could be obtained with atmospheric wind tunnels.
AEDC Hypervelocity Wind Tunnel 9 is a hypersonic wind tunnel owned by the United States Air Force and operated by National Aerospace Solutions The facility can generate high Mach numbers and high Reynolds for hypersonic ground testing and the validation of computational simulations for the Air Force and Department of Defense.
Engineers check an aircraft model before a test run in the Supersonic Wind Tunnel at Lewis Flight Propulsion Laboratory. Schlieren photography is often used to capture images of gas flow and shock waves in supersonic wind tunnels. Here, Mach 4 flow over a pitot probe is observed by schlieren optics in the Penn State Supersonic Wind Tunnel. The ...