Hypervelocity Wind Tunnel 9

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.[1]

Hypervelocity Wind Tunnel 9
Active1976–Present
CountryUnited States
BranchUS Air Force
RoleTest Facility

History

After World War II several critical facilities and scientists were brought to America to continue research into supersonic missiles. In July 1945, the custody of the Kochel wind tunnel facilities was awarded to the Navy to be installed at the Naval Ordnance Laboratory at White Oak, Maryland. In 1967 congress granted approval for the construction of Tunnel 9. The facility became operational in 1976 and has since been providing aerodynamic simulation in critical altitude regimes associated with strategic offensive missile systems, advanced defensive interceptor systems, and hypersonic vehicle technologies.[2]

Capabilities

Tunnel 9 has 2.9 to 5 ft diameter test section. The facility can generate air flow up to Mach 14 with Reynolds numbers between 4 - 7.6 million per ft. Pressure and temperature can be controlled to further simulate flight altitudes from sea level to 173,000 ft.[3]

gollark: The integer mod 3 type is far superior to the rational type.
gollark: Overflow is wrong. It is truncation.
gollark: *But* adding and multiplying can *sometimes* cause important data to be truncated.
gollark: Assuming deterministic decimal to float conversion the error of that is cancelled out when subtraction at the end occurs.
gollark: `0.2 + 0.2 - 0.2` comes out fine.

See also

References
  1. "Archived copy". Archived from the original on 2013-11-13. Retrieved 2014-03-02.CS1 maint: archived copy as title (link)
  2. http://www.wolaa.org/files/White_Oak_Wind_Tunnel_History.pdf
  3. "Archived copy" (PDF). Archived from the original (PDF) on 2011-12-26. Retrieved 2012-01-10.CS1 maint: archived copy as title (link)

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