A noise control method of an aircraft comprises an aircraft sound insulation shell, a propeller sound insulation shell, an air inlet channel sound insulation module, an air outlet channel sound insulation module and a propulsion system sound insulation module, and is characterized in that the sound insulation shell provides noise control for the whole aircraft, and the propeller sound insulation shell is located on the outer side of the circumference of a propeller and has sound insulation and sound absorption functions; the air inlet channel sound insulation module, the air outlet channel sound insulation module and the propulsion system sound insulation module are composed of silencing grids.

    一种飞行器的噪音控制方法,包括飞行器隔音外壳,螺旋桨隔音外壳,进气通道隔音模块,出风通道隔音模块,推进系统隔音模块,其特征在于隔音外壳为整个飞行器提供噪声控制,螺旋桨隔音外壳位于螺旋桨圆周外侧,具有隔音和吸声功能,进气通道隔音模块、出风通道隔音模块及推进系统隔音模块由消音格栅组成。


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    Title :

    Noise control method for aircraft


    Additional title:

    一种飞行器的噪音控制方法


    Contributors:

    Publication date :

    2022-11-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT



    AIRCRAFT NOISE CONTROL

    KATHIRCHELVAN THINESHAN | European Patent Office | 2023

    Free access

    AIRCRAFT NOISE CONTROL

    KATHIRCHELVAN THINESHAN | European Patent Office | 2023

    Free access

    The control of aircraft noise

    Large, J. B. | SLUB | 1975


    Operational control of aircraft noise

    Smith, C.G. | Engineering Index Backfile | 1956


    Trends in aircraft noise control

    Hubbard, H. H. / Conrad, E. W. | NTRS | 1975