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Large Low Speed Wind Tunnel 2.1 m (6 ft 11 in) by 1.5 m (4 ft 11 in) Low Turbulence Wind Tunnel 0.8 m (2 ft 7 in) by 0.6 m (2 ft 0 in) Open Jet Wind Tunnel 1.1 m (3 ft 7 in) diameter United Kingdom University of British Columbia Boundary Layer Wind Tunnel [90] 2.5 m × 1.6 m × 23.6 m (8 ft 2 in × 5 ft 3 in × 77 ft 5 in)
Portion of the Unitary Plan Wind Tunnel in 2014. Construction of this facility began in 1950-1951 and continued until 1955. Because no one wind tunnel could meet all the demands for additional research facilities simulating the entire range of aircraft and missile flight, NACA chose to build the Ames tunnel with three separate test sections drawing power from a common centralized power plant.
The valley is part of a "wind-tunnel-like-corridor" that connects the high desert with the Oxnard Plain on the coast. This funnels the Santa Ana winds which spreads wildfires and has been called one of the "most dangerous wind and fire corridors in Southern California." [7]
AGARD-B wind tunnel model; ... Unitary Plan Wind Tunnel (Mountain View, California) V. Variable Density Tunnel; Vertical wind tunnel; Virginia Tech Stability Wind Tunnel;
Wind tunnel test sections range in size from less than a foot across, to over 100 feet (30 m), and with air speeds from a light breeze to hypersonic. The earliest wind tunnels were invented towards the end of the 19th century, in the early days of aeronautical research, as part of the effort to develop heavier-than-air flying machines.
Sundowner, (strong offshore wind off the California coast) Washoe Zephyr (seasonal diurnal wind in parts of western Nevada) Williwaw (strong, violent wind occurring in the Strait of Magellan, the Aleutian Islands, and the coastal fjords of Southeast Alaska) Witch of November, or November Witch (strong winds blowing across the Great Lakes in autumn)
An actual model is built to a size suitable for the size of a specific wind tunnel test section, in particular taking care that the frontal blockage of the model (the ratio of the model cross-section area to wind tunnel test section area) is kept well below 1% (except for wall-interference research where the models may be larger).
Keddie Wye, tunnels Tunnel No. 31 and No. 32 in the wye complex; Mission Tunnel, below Mission Santa Cruz and used by the Santa Cruz, Big Trees and Pacific Railway (three) BNSF Gateway Subdivision (three) BNSF Stockton Subdivision, including: Franklin Tunnel (six) Union Pacific Coast Subdivision. Tunnel No. 6 (Coast Line)