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High-Speed Photographic Observations of Laser-Induced Cavitation Bubbles in Water

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Spherical bubbles were generated by focusing a laser pulse into water. This method using light seems to be very suitable for investigating the detail of bubble dynamics. The conditions of producing initially spherical ideal bubbles can be established with the adequate control of the laser beam. High-speed photography was utilized for observing the behaviour of the bubbles generated in various situations, and some typical examples of photographs are presented.

Zusammenfassung

Mit Hilfe eines fokussierten Laserimpulses werden kugelförmige Blasen in Wasser erzeugt. Diese Methode scheint sich sehr für die Untersuchung von Einzelheiten der Blasendynamik zu eignen. Die Bedingungen zur Erzeugung anfänglich kugelförmiger Blasen können durch geeignete Regelung des Laserstrahls erfüllt werden. Das Verhalten von Blasen in verschiedenen Situationen wurde mittels der Hochgeschwindigkeitsphotographie beobachtet, und es werden einige typische Aufnahmen als Beispiele vorgestellt.

Sommaire

On a engenderé dans l'eau des bulles sphériques par focalization d'une impulsion laser. Cette méthode optique semble bien appropriée à l'investigation des détails de la dynamique des bulles de cavitation. Les conditions nécessaires à la production de bulles idéales initialement sphériques peuvent être définies au moyen d'un contrôle adéquat du faisceau laser. La chronophotographie ultra- rapide a servi pour observer le comportement des bulles induites sous diverses situations et on en présente des clichés typiques
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Document Type: Research Article

Publication date: July 1, 1990

More about this publication?
  • 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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