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New fan engine noise-reduction concept using trailing edge blowing of fan blades demonstrated
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Heidelberg, Laurence J. |
| Copyright Year | 2002 |
| Description | A major source of noise in commercial turbofan engines is the interaction of the fan blade wakes with the fan exit vanes (stators). These wakes can be greatly reduced by filling them with air blown out of the blade trailing edge. Extensive testing of this concept has demonstrated significant noise reductions. These tests were conducted on a low-speed, 4- ft-diameter fan using hollow blades at NASA Glenn Research Center's Aeroacoustic Propulsion Laboratory (AAPL). |
| File Size | 127339 |
| Page Count | 3 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_20050202083 |
| Archival Resource Key | ark:/13960/t43r5tc5k |
| Language | English |
| Publisher Date | 2002-03-01 |
| Access Restriction | Open |
| Subject Keyword | Acoustics Engine Noise Noise Reduction Trailing Edges Wakes Aerodynamic Noise Turbofan Engines Aeroacoustics Fan Blades Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Technical Report |
