Loading...
Please wait, while we are loading the content...
Similar Documents
Noise and performance calibration study of a mach 2.2 supersonic cruise aircraft
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Mascitti, V. R. Maglieri, D. J. |
| Copyright Year | 1979 |
| Description | The baseline configuration of a Mach 2.2 supersonic cruise concept employing a 1980 - 1985 technology level, dry turbojet, mechanically suppressed engine, was calibrated to identify differences in noise levels and performance as determined by the methodology and ground rules used. In addition, economic and noise information is provided consistent with a previous study based on an advanced technology Mach 2.7 configuration, reported separately. Results indicate that the difference between NASA and manufacturer performance methodology is small. Resizing the aircraft to NASA groundrules results in negligible changes in takeoff noise levels (less than 1 EPNdB) but approach noise is reduced by 5.3 EPNdB as a result of increasing approach speed. For the power setting chosen, engine oversizing resulted in no reduction in traded noise. In terms of summated noise level, a 6 EPNdB reduction is realized for a 5% increase in total operating costs. |
| File Size | 771980 |
| Page Count | 27 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_19790013698 |
| Archival Resource Key | ark:/13960/t0bw28s9k |
| Language | English |
| Publisher Date | 1979-01-01 |
| Access Restriction | Open |
| Subject Keyword | Acoustics Costs Effective Perceived Noise Levels Jet Aircraft Noise Noise Reduction Supersonic Cruise Aircraft Research Performance Prediction Aircraft Performance Economic Factors Turbojet Engines Suppressors 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 |
