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Hypersonic wind tunnel 6 in (150 mm) diameter Trisonic wind tunnel 0.15 m (5.9 in) by 0.3 m (1 ft 0 in) Open-circuit boundary layer tunnel 0.9 m (2 ft 11 in) by 0.9 m (2 ft 11 in) by 5 m (16 ft) Open-circuit wind tunnel 1.2 m (3 ft 11 in) by 0.9 m (2 ft 11 in) by 2 m (6 ft 7 in)
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.
NASA Langley's Hypersonic Facilities Complex, 1969. A hypersonic wind tunnel is designed to generate a hypersonic flow field in the working section, thus simulating the typical flow features of this flow regime - including compression shocks and pronounced boundary layer effects, entropy layer and viscous interaction zones and most importantly high total temperatures of the flow.
Ft. McArthur Tunnel Complex: an abandoned World War II network connecting fortifications in San Pedro, CA. [10] The Lawson Adit is a tunnel constructed underneath UC Berkeley into the Berkeley Hills in the early 1900s for student mining research. [11] US Dept. of Defense Tunnel Warfare Center, China Lake [12] [13]
Since then, China has continued to advance its science and technology and is now home to the world’s most powerful hypersonic wind tunnel, the JF-22, which can simulate the conditions in which a ...
Central Pacific Railroad, Clipper Gap Tunnel Central Pacific Transcontinental Railroad, Tunnel 'O' Abandoned 1873 1984 1997 Union Pacific Railroad: Clipper Gap: Placer: CA-86: Big Oak Flat Road Tunnel No. 1 Extant 1937 1991
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It is a free piston shock tunnel located at California Institute of Technology, USA. It is the largest free-piston shock tunnel in the world at a university. It is an impulse facility capable of reaching very high stagnation enthalpies (25 MJ/kg) and pressures (40 MPa). The test time is on the order of 1 ms.