FIELD: aircraft engineering.
SUBSTANCE: invention relates to aircraft interior finishing panels. Finishing panel has multilayer structure and comprises outer layer made of air impermeable material facing fuselage during use. Inner layer is made of finishing material, determining interior during use. Structural layer is laid between inner and outer layers. Sound energy scattering material is also laid between inner and outer layers, where by means of inner layer made from porous material, providing possibility of air flow passage to sound energy scattering material.
EFFECT: invention ensures reduction of noise inside aircraft cabin.
5 cl, 3 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| MULTILAYER COMPOSITE MATERIAL | 2018 |
|
RU2723876C2 |
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