A nacelle (10; 500a; 500b) may include a noise suppressing structure (200). The noise suppressing structure (200) may utilize a noise suppressing cells (202A) situated between a perforated layer of material (306) and a non-perforated layer of material (308). The noise suppressing cells (202A) may have a first portion (212A) and a second portion (212B) separated by a septum (330). The first portion (212A) may contact the septum (330) at an obtuse angle and the second portion (212B) may contact the septum (330) at a reflex angle.
ACOUSTIC STRUCTURAL PANEL WITH HERRINGBONE CORE
AKUSTISCHES STRUKTURPANEEL MIT FISCHGRÄTENKERN
PANNEAU STRUCTUREL ACOUSTIQUE AVEC NOYAU À CHEVRONS
03.08.2016
Patent
Elektronische Ressource
Englisch
Engineering Index Backfile | 1930
|NTRS | 1973
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