NASA on X: "Our @NASAAero team is researching how acoustic liners could reduce aircraft noise levels – leading to quieter takeoffs and touchdowns. How's that for a 'Silent Night'? Get the details:
Acoustic liners for quieter aero-engines | ALTD Project | Results in brief | FP7 | CORDIS | European Commission
The Application of Advanced Technique of Fan Frame Unit on High Bypass Ratio Aero Engine
The intake of an aircraft engine showing the position of hard strips... | Download Scientific Diagram
Quiet Query: Scientists model how noise-reducing aircraft liners are a drag on efficiency | CSCS