气流内部运动或与物体互相作用所产生的噪声。气流受空气动力扰动产生局部的压力脉动，并以波的形式通过周围的空气向外传播而形成噪声。飞机空气动力噪声在飞机全部噪声中占主要部分，它来自许多不同的声源。
结果表明，泡沫铝在消除空气动力噪声方面具有优越的性能。
The results show that spongy aluminium alloy has an advantage of muffling the noise caused by air power.
介绍了新干线车辆空气动力噪声的声源探测方法及相应的降噪措施。
Described are the sound source detection method for the aerodynamic noise on Shinkansen rolling stock and relevant noise reduction measures.
铁道车辆下部噪声主要由滚动噪声、空气动力噪声和机器噪声组成。
The noise at lower part of railway cars consists of rolling noise, aerodynamic noise and driving device noise.
应用推荐