N+2 Nozzle in the Aero-Acoustic Propulsion Lab. As NASA works toward demonstrating low-sonic boom design, engineers at NASA Glenn have tested an engine nozzle that could make supersonic aircraft much quieter.
N+2 Nozzle in the Aero-Acoustic Propulsion Lab. As NASA works toward demonstrating low-sonic boom design, engineers at NASA Glenn have tested an engine nozzle that could make supersonic aircraft much quieter.