Photoacoustic monitoring of steam bubble cavitation in water superheated by TEA CO<sub>2</sub> laser

Sergey I. Kudryashov; Kevin Lyon; Susan D. Allen

doi:10.1117/12.646239

6 March 2006 Photoacoustic monitoring of steam bubble cavitation in water superheated by TEA CO₂ laser

Sergey I. Kudryashov, Kevin Lyon, Susan D. Allen

Proceedings Volume 6086, Photons Plus Ultrasound: Imaging and Sensing 2006: The Seventh Conference on Biomedical Thermoacoustics, Optoacoustics, and Acousto-optics; 60861Y (2006) https://doi.org/10.1117/12.646239
Event: SPIE BiOS, 2006, San Jose, California, United States

Abstract

Using a TEA CO₂ laser for explosive surface boiling of bulk water, oscillatory acoustic transients from steam bubbles were recorded using a contact photoacoustic technique. Multiple well-resolved, high-amplitude multi-MHz spectral features representing high-order combination acoustic oscillations of steam bubbles were revealed in spectra obtained by means of numerical Fast Fourier Transformation of these transients. A potential parametric generation mechanism for these high-order combination oscillation modes of steam bubbles is discussed.

Citation Download Citation

Sergey I. Kudryashov, Kevin Lyon, and Susan D. Allen "Photoacoustic monitoring of steam bubble cavitation in water superheated by TEA CO₂ laser", Proc. SPIE 6086, Photons Plus Ultrasound: Imaging and Sensing 2006: The Seventh Conference on Biomedical Thermoacoustics, Optoacoustics, and Acousto-optics, 60861Y (6 March 2006); https://doi.org/10.1117/12.646239

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