Gasgehalt und Lumineszenz einer Kavitationsblase (Modellversuche an Glaskugeln)
The collapse of an evacuated glass-sphere in a liquid is found to be accompanied with emission of light analogous to the sonoluminescence of a cavitation bubble. While considerable experimental difficulties are met within the measurement of the gas contents of cavitation bubbles, the gas contents of the glass-sphere is easily controlled. Investigations of the relation between gas contents and luminescence are carried out with different gases and liquids. The experimental results do not contradict the conception of the luminescence being caused by adiabatic heating of the gas during the collapse of the sphere. Quantitative interpretation is greatly complicated by the instability of the spherical shape of a collapsing bubble; moreover, a detailed knowledge of the molecular processes within the bubble seems to be necessary.
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Document Type: Research Article
Publication date: January 1, 1962
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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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