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Benefits of swept and leaned stators for fan noise reduction / / Richard P. Woodward [and three others]
| Benefits of swept and leaned stators for fan noise reduction / / Richard P. Woodward [and three others] |
| Autore | Woodward Richard P. |
| Pubbl/distr/stampa | Cleveland, Ohio : , : National Aeronautics and Space Administration, Lewis Research Center, , November 1998 |
| Descrizione fisica | 1 online resource (30 pages) : illustrations |
| Collana | NASA/TM |
| Soggetto topico |
Acoustic properties
Aerodynamic characteristics Aerodynamic noise Noise reduction Stators Vanes Wind tunnel tests Stator blades Engine noise Jet aircraft noise Sweep effect Effective perceived noise levels Fans |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910705817403321 |
Woodward Richard P.
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| Cleveland, Ohio : , : National Aeronautics and Space Administration, Lewis Research Center, , November 1998 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Effect of external pressure environment on the internal noise level due to a source inside a cylindrical tank / / Sherman A. Clevenson and Louis A. Roussos
| Effect of external pressure environment on the internal noise level due to a source inside a cylindrical tank / / Sherman A. Clevenson and Louis A. Roussos |
| Autore | Clevenson Sherman A. |
| Pubbl/distr/stampa | Hampton, Virginia : , : National Aeronautics and Space Administration, Langley Research Center, , August 1984 |
| Descrizione fisica | 1 online resource (22 pages, 1 unnumbered page) : illustrations |
| Collana | NASA/TM |
| Soggetto topico |
Effective perceived noise levels
Cylindrical tanks Noise measurement Transmission loss Sea level |
| Soggetto genere / forma | Online resources. |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910709640603321 |
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Clevenson Sherman A.
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| Hampton, Virginia : , : National Aeronautics and Space Administration, Langley Research Center, , August 1984 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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The timing of noise-sensitive activities in residential areas [[electronic resource] /] / James M. Fields
| The timing of noise-sensitive activities in residential areas [[electronic resource] /] / James M. Fields |
| Autore | Fields James M |
| Pubbl/distr/stampa | Hampton, Va. : , : Bionetics Corporation : , : National Aeronautics and Space Administration, Langley Research Center, , [1985] |
| Descrizione fisica | 1 online resource (i, 50 pages) : illustrations, map |
| Collana | NASA contractor report |
| Soggetto topico |
Cities
Effective perceived noise levels Noise pollution Time Urban research |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910702194403321 |
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Fields James M
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| Hampton, Va. : , : Bionetics Corporation : , : National Aeronautics and Space Administration, Langley Research Center, , [1985] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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