Helicopter cabin noise reduction: From available technologies to implementation
Helicopter cabin noise reduction: From available technologies to implementation
- Neue Suche nach: Cenedese, F.
- Neue Suche nach: Perazzolo, A.
- Neue Suche nach: Cenedese, F.
- Neue Suche nach: Perazzolo, A.
Comfort inside a helicopter cabin has become an important goal in order to increase the civil market for this type of aircraft. A big effort to reach the comfort of a propeller aircraft has been done during the last decade. Into a specific Friendcopter work-package dedicated to the cabin noise reduction, several technologies, both active and passive, have been developed and tested in order to be implemented when airworthiness requirements are satisfied in a flying helicopter to demonstrate their effectiveness. Mainly the following items have been deeply faced: improvement of the applied soundproofing, reduction of vibrations and radiated noise of the gearbox source, control of vibration transferred from the gearbox to the frame through connection element by active control.
Dokumentinformationen
Helicopter cabin noise reduction: From available technologies to implementation
2008
13 Seiten, 20 Bilder, 1 Tabelle, 2 Quellen
Aufsatz (Konferenz)
Datenträger
Englisch
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