Aero-Acoustic Propulsion Laboratory - NASA
The Aero-Acoustic Propulsion Laboratory (AAPL) is a world-class facility for conducting aero-propulsion noise- reduction research. Facility Overview With over 20 years of testing experience in acou...

Source: NASA
The Aero-Acoustic Propulsion Laboratory (AAPL) is a world-class facility for conducting aero-propulsion noise- reduction research. Facility Overview With over 20 years of testing experience in acoustic research and development, the AAPL, located at NASA’s Glenn Research Center in Cleveland, is a world-class facility providing outstanding testing services in aircraft propulsion acoustic noise-reduction and performance research. […]