Disclosed is a flutter damper, including an acoustic liner configured for peak acoustical energy absorption at a frequency range that is greater than a frequency range associated with fan flutter, a chamber, and a piezoelectric element disposed within a first surface of the chamber, and the chamber being configured for peak acoustical energy absorption at a frequency range that is associated with one or more fan flutter modes, and wherein the piezoelectric element is operatively connected to an electronic engine control.
Flutter damper for a turbofan engine
14.04.2020
Patent
Elektronische Ressource
Englisch
Variable displacement flutter damper for a turbofan engine
Europäisches Patentamt | 2020
|VARIABLE DISPLACEMENT FLUTTER DAMPER FOR A TURBOFAN ENGINE
Europäisches Patentamt | 2021
|Flutter dampening acoustic liner for a turbofan engine
Europäisches Patentamt | 2019
|Flutter of turbofan rotors with mistuned blades
AIAA | 1984
|Flutter of turbofan rotors with mistuned blades
Tema Archiv | 1984
|