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The NASA Langley 14-by 22-Foot Subsonic Tunnel (14x22) is an atmospheric, closed return tunnel with a test section 14.5 ft high, 21.75 ft wide, and 50 ft long. The walls and ceiling are removable such that a ¾ open jet configuration can be used for reduced boundary effects. With the closed test section, the maximum velocity is approximately 230 mph, 180 mph in the ¾ open jet configuration. Flow control facilitates rapid start/stop capabilities for maximum data rates. The high speed capability allows accurate simulation of a race car at track velocity allowing evaluation of flexible elements. The facility supports on-car pressure, vane anemometer measurement and smoke flow visualization.
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