• pressure losses and to ensure smooth flow in the test section. High subsonic wind tunnels, between Mach 0.4 and 0.75, and transonic wind tunnels, between Mach 0...
    2 KB (277 words) - 18:32, 16 March 2025
  • Thumbnail for Wind tunnel
    wind tunnel Subsonic and transonic wind tunnel Supersonic wind tunnel Hypersonic wind tunnel High enthalpy wind tunnel Wind tunnels are also classified...
    43 KB (5,547 words) - 19:09, 5 June 2025
  • Retrieved 26 January 2024. "Boeing Transonic Wind Tunnel". Retrieved 26 January 2024. "Boundary Layer and Subsonic Wind Tunnel (BLAST) at the University of...
    43 KB (1,164 words) - 14:28, 4 June 2025
  • when fired Subsonic flight, an aircraft flight at air speeds lower than the speed of sound in air Subsonic and transonic wind tunnels Subsonic (album),...
    1 KB (176 words) - 10:58, 12 September 2022
  • Thumbnail for Boeing X-66
    transonic tunnel, then later in 2019 at the 14 by 22 ft (4.3 by 6.7 m) subsonic tunnel at NASA Langley. A full-scale X-plane is being developed and tested...
    12 KB (951 words) - 11:16, 22 May 2025
  • Thumbnail for Transonic
    Transonic (or transsonic) flow is air flowing around an object at a speed that generates regions of both subsonic and supersonic airflow around that object...
    14 KB (1,665 words) - 12:02, 25 May 2025
  • Thumbnail for Mach number
    presence of a transonic regime around flight (free stream) M = 1 where approximations of the Navier-Stokes equations used for subsonic design no longer...
    19 KB (2,205 words) - 05:35, 12 June 2025
  • A Trisonic Wind Tunnel (TWT) is a wind tunnel so named because it is capable of testing in three speed regimes – subsonic, transonic, and supersonic. The...
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  • Thumbnail for Area rule
    performance requirement for combat aircraft and which is improved by reductions in transonic drag. At high-subsonic flight speeds, the local speed of the airflow...
    19 KB (2,408 words) - 04:14, 18 March 2025
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    Aerodynamics (redirect from Subsonic flight)
    density within the flow. Subsonic flows are often idealized as incompressible, i.e. the density is assumed to be constant. Transonic and supersonic flows are...
    41 KB (4,773 words) - 03:13, 8 June 2025
  • Thumbnail for Boeing Sonic Cruiser
    distinguished from conventional airliners by its delta wing and high-subsonic/transonic cruising speed of up to Mach 0.98. Boeing first proposed it in...
    21 KB (2,076 words) - 19:48, 10 May 2025
  • Thumbnail for Ludwig Prandtl
    Theodor Meyer Tesla turbine Particle image velocimetry Wind tunnel Subsonic and transonic wind tunnel Pitot tube Prandtl's one-seventh-power law NASA research...
    26 KB (2,916 words) - 17:30, 25 March 2025
  • Thumbnail for Propulsion Wind Tunnel Facility
    000 feet and can provide Reynolds numbers up to 7.1 million per foot. Subsonic and transonic wind tunnel "Factsheets : PROPULSION WIND TUNNEL FACILITY"...
    4 KB (461 words) - 07:53, 31 March 2025
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    but there was no better theory, and data was matching theory to some degree. At the same time, ever-increasing wind tunnel speeds were showing a similar...
    43 KB (5,449 words) - 02:18, 26 May 2025
  • Thumbnail for Boeing Truss-Braced Wing
    use electric motors to power the engines while flying. SUGAR stands for Subsonic Ultragreen Aircraft Research; "Volt" suggests that it would be at least...
    5 KB (491 words) - 08:49, 13 September 2024
  • Yugoslav aircraft trainer. Subsonic and transonic wind tunnel Hypersonic wind tunnel AT-SB-E – the project of a wind tunnel with operating unit being 2...
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  • Thumbnail for Ludwieg tube
    Ludwieg tube (category Wind tunnels)
    demonstration and explanation of the large effect of sweep on the drag of transonic wings (his dissertation in 1937). Shock tube Supersonic wind tunnel Hypersonic...
    3 KB (402 words) - 05:41, 14 November 2021
  • Thumbnail for Flap (aeronautics)
    331. Reed, Warren D.; Clay, William C. (30 June 1937). "Full-scale wind-tunnel and flight tests of a Fairchild 22 airplane equipped with external-airfoil...
    32 KB (4,059 words) - 06:26, 14 April 2025
  • time in 2021 from Mojave Air and Space Port, California. It expected to begin wind tunnel tests for the Overture in 2021, and start construction of a manufacturing...
    30 KB (2,676 words) - 17:05, 7 June 2025
  • Thumbnail for Supersonic transport
    begins at transonic speeds (around Mach 0.88). Around Mach 1, the peak coefficient of drag is four times that of subsonic drag. Above the transonic range...
    72 KB (8,138 words) - 20:24, 11 June 2025
  • Thumbnail for Swept wing
    Swept wing (redirect from Transonic wing)
    leading edge for supersonic aircraft and the other 25% of the way back from the leading edge for subsonic and transonic aircraft. Leading edge sweep is important...
    61 KB (8,240 words) - 08:08, 31 March 2025
  • Thumbnail for Mary Jackson (engineer)
    Aerodynamics Division, and the Subsonic-Transonic Aerodynamics Division. She ultimately authored or co-authored 12 technical papers for NACA and NASA. She worked...
    25 KB (2,093 words) - 18:37, 29 May 2025
  • Thumbnail for Computational fluid dynamics
    such as transonic or turbulent flows. Initial validation of such software is typically performed using experimental apparatus such as wind tunnels. In addition...
    68 KB (8,648 words) - 17:44, 15 April 2025
  • and with semi-planing or planing hulls for watercraft Wave drag (aerodynamics) is caused by the presence of shockwaves and first appears at subsonic aircraft...
    40 KB (5,753 words) - 04:23, 20 May 2025
  • Thumbnail for Standard wind tunnel models
    AGARDograph 54, AGARD, 1961 "Recommended Practice: Calibration of Subsonic and Transonic Wind Tunnels", AIAA-R093-2003, AIAA, 2003 Hills R., "A review of measurements...
    10 KB (1,112 words) - 04:03, 4 November 2024
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    length to slowly shock the supersonic flow back to subsonic speeds. Generally such transonic airfoils and also the supersonic airfoils have a low camber to...
    29 KB (3,897 words) - 09:35, 4 April 2025
  • Thumbnail for Langley Research Center
    first transonic wind tunnel, training the first crews of astronauts, the Lunar Landing Facility which provides the simulation of lunar gravity, and the...
    26 KB (2,255 words) - 14:55, 20 May 2025
  • unlikely to reach sonic speed. Wind tunnel model tests apparently indicated serious loss of longitudinal stability at high subsonic speed as was then characteristic...
    10 KB (1,030 words) - 16:42, 27 October 2024
  • naturally into several flow regimes. These regimes are subsonic, transonic, supersonic, hypersonic, and hypervelocity flow. The figure below illustrates the...
    27 KB (3,823 words) - 10:02, 31 January 2025
  • Thumbnail for Airplane
    objectives and design specifications of the aircraft are established. First the construction company uses drawings and equations, simulations, wind tunnel tests...
    56 KB (6,468 words) - 06:19, 13 June 2025