西藏唱钵
Tibetan Singing Bowls
摘要：
我们提出的西藏唱歌碗的声学和流体动力学的实验研究结果。他们的声学行为是合理的，在相关的动力学站钟和酒杯。撞击或摩擦充满流体的碗会激发壁振动，并在流体表面产生伴随的波。碗的自然振动模式的声学激励允许一个受控的研究，其中的表面波的演变与强迫振幅增加的详细说明。特别注意的是合理化观察到的标准，通过表面断裂的边缘诱导法拉第波和液滴产生的发病。我们的研究表明，液滴可以悬浮在流体表面上，诱导反弹或跳过振动的流体表面。
英文摘要：
We present the results of an experimental investigation of the acoustics and fluid dynamics of Tibetan singing bowls. Their acoustic behavior is rationalized in terms of the related dynamics of standing bells and wine glasses. Striking or rubbing a fluid-filled bowl excites wall vibrations, and concomitant waves at the fluid surface. Acoustic excitation of the bowl's natural vibrational modes allows for a controlled study in which the evolution of the surface waves with increasing forcing amplitude is detailed. Particular attention is given to rationalizing the observed criteria for the onset of edge-induced Faraday waves and droplet generation via surface fracture. Our study indicates that drops may be levitated on the fluid surface, induced to bounce on or skip across the vibrating fluid surface.
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