9×15 Low-Speed Wind Tunnel - NASA
The 9×15 Low-Speed Wind Tunnel (9×15) is the most used low-speed propulsion acoustic facility in the world. It is the only national facility that can simulate takeoff, approach, and landing in...

Source: NASA
The 9×15 Low-Speed Wind Tunnel (9×15) is the most used low-speed propulsion acoustic facility in the world. It is the only national facility that can simulate takeoff, approach, and landing in a continuous subsonic environment. Facility Overview The 9×15 is a significant asset to the nation and the aero-propulsion community because of its unique ability […]