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Wind Tunnels
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The 80 by 120 Foot Wind Tunnel at NASA Ames Research Center holds the distinction of being the largest wind tunnel test section in the world. This open circuit leg was added and a new fan drive system was installed in the 1980s. The 80 by 120 Foot Wind Tunnel is used to support an active research program in aerodynamics, dynamics, model noise, and full-scale aircraft and their components. The aerodynamic characteristics of new configurations are investigated, with an emphasis on validating computational methods. Aeromechanical stability boundaries of advanced rotorcraft and rotor-fuselage interactions are explored. The acoustic characteristics of most of the full-scale vehicles are also determined, as well as acoustic research aimed at discovering and reducing aerodynamic sources of noise. In addition to the normal data gathering methods (e.g., balance system, pressure measuring transducers, and temperature sensing thermocouples), state-of-the-art non-intrusive instrumentation (e.g., laser velocimeters and shadowgraphs) are available to help determine flow direction and velocity in and around the lifting surfaces of models or aircraft undergoing investigation. Some of the test programs that have come through the 80 by 120 Foot include: F-18 High Angle of Attack Vehicle, DARPA/Lockheed Common Affordable Lightweight Fighter, XV-15 Tilt Rotor, and Advance Recovery System Parafoil. [From Wikipedia, the free encyclopedia] Made with Building Maker.
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