• Then there's increasing the number of rotor blades. This helps because each additional blade carries less of the weight of the helicopter, and thus produces less noise.

    增加旋翼数量也是一种方法,使得桨叶负载直升机重量降低因此产生的噪音更小。

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  • Chaos characteristics of the aerodynamic noise are discussed and the aeroacoustic noise signals on helicopter scissors tail rotor is analyzed by the chaos theory.

    研究剪刀尾桨气动噪声混沌特性,并应用混沌理论进行直升机尾桨气动噪声信号分析

    youdao

  • Chaos characteristics of the aerodynamic noise are discussed and the aeroacoustic noise signals on helicopter scissors tail rotor is analyzed by the chaos theory.

    研究剪刀尾桨气动噪声混沌特性,并应用混沌理论进行直升机尾桨气动噪声信号分析

    youdao

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