Acoustic radiation pressure on a compressible sphere
Calculations are given of the acoustic radiation pressure on compressible spheres suspended freely in a plane progressive or plane stationary sound wave field in a non-viscous fluid. With plane progressive waves the radiation pressure on bubbles shows a prominent peak corresponding to resonance in the pulsation mode. With plane stationary waves, on the contrary, the radiation pressure on the resonant bubble vanishes and the directions of the pressure are such that the bubbles smaller than the resonant are forced towards the nodes and the larger ones towards the loops. On small spheres, of which the densities are of the same order as that of the surrounding medium, such phenomena in the radiation pressure disappear and the formulae contain the density-compressibility factors instead of King's density factors.
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Document Type: Research Article
Publication date: January 1, 1955
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- Acta Acustica united with Acustica, published together with the European Acoustics Association (EAA), is an international, peer-reviewed journal on acoustics. It publishes original articles on all subjects in the field of acoustics, such as general linear acoustics, nonlinear acoustics, macrosonics, flow acoustics, atmospheric sound, underwater sound, ultrasonics, physical acoustics, structural acoustics, noise control, active control, environmental noise, building acoustics, room acoustics, acoustic materials, acoustic signal processing, computational and numerical acoustics, hearing, audiology and psychoacoustics, speech, musical acoustics, electroacoustics, auditory quality of systems. It reports on original scientific research in acoustics and on engineering applications. The journal considers scientific papers, technical and applied papers, book reviews, short communications, doctoral thesis abstracts, etc. In irregular intervals also special issues and review articles are published.
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