Acoustically resistive layer for an acoustical attenuation panel, panel using such a layer
    5.
    发明授权
    Acoustically resistive layer for an acoustical attenuation panel, panel using such a layer 有权
    用于声学衰减面板的声阻层,使用这种层的面板

    公开(公告)号:US06772857B2

    公开(公告)日:2004-08-10

    申请号:US10293353

    申请日:2002-11-14

    IPC分类号: G10K1100

    摘要: An acoustically resistive layer for an acoustic attenuation panel (22) forming a conduit in which there is an aerodynamic flow (18), adapted particularly for an aircraft turbo jet engine. The panel has at least one acoustically resistive layer (24), at least one porous structure (26) and a reflector (28) disposed opposite the incident wave. The acoustically resistive layer (24) is constituted by strips (30) disposed in the direction of the flow (18), interconnected by a plurality of splints (32) ensuring the absorption of force, particularly radially, the splints (32) having very small surfaces ensuring the continuity of the homogeneous character of the quantity of open surface of the acoustically resistive layer thus formed.

    摘要翻译: 用于形成导管的声衰减板(22)的声阻层,其中存在特别适用于飞机涡轮喷气发动机的空气动力流(18)。 面板具有至少一个声阻层(24),与入射波相对设置的至少一个多孔结构(26)和反射器(28)。 声阻层(24)由沿着流动(18)的方向设置的条带(30)构成,通过多个夹板(32)互连,确保特别径向地吸收具有非常大的夹板(32)的力 小的表面确保如此形成的声阻层的开放表面的数量的均匀特性的连续性。