Multi-Level MDO of a Long-Range Transport Aircraft Using a Distributed Analysis Framework

Author(s):  
Stefan Goertz ◽  
Caslav Ilic ◽  
Jonas Jepsen ◽  
Martin Leitner ◽  
Matthias Schulze ◽  
...  
Author(s):  
J. J. Kramer ◽  
F. J. Montegani

The NASA Quiet Engine Program will incorporate all available noise-reduction technology into a propulsion system suitable for subsonic civil transport aircraft. Full-scale experimental hardware is being built and tested primarily for noise performance. The program is in process, and component and engine tests to date indicate that it is possible to achieve or exceed noise reduction objectives of 15–20 PNdB below the levels of 707/DC-8 long-range transport aircraft.


Tellus B ◽  
2011 ◽  
Vol 63 (3) ◽  
Author(s):  
Borgar Aamaas ◽  
Carl Egede Bøggild ◽  
Frode Stordal ◽  
Terje Berntsen ◽  
Kim Holmén ◽  
...  

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