Mie scattering from a sonoluminescing air bubble in water

Lentz, William J.

doi:10.1016/s0301-9322(97)88148-7

Cited by 3 publications

(3 citation statements)

References 5 publications

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“…22). Pecha and Gompf (2000) found3 See, for instance, the work of Gaitan, 1990;Barber et al, 1992Barber et al, , 1997Gaitan et al, 1992;Lentz et al, 1995;Weninger, Barber, and Putterman, 1997;Matula, 1999 that the shock velocity in the immediate vicinity of the bubble is as fast as 4000 m/s, much faster than the speed of sound cϭ1430 m/s in water under normal conditions, but in good agreement with the results of Holzfuss, Rü ggeberg, and Billo (1998). This high shock speed originates from the strong compression of the fluid around the bubble at collapse.…”

Section: F Sound Emission From the Bubblementioning

confidence: 68%

Single Bubble Sonoluminescence

Arakeri¹

2004

Sonoluminescence

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Single-bubble sonoluminescence occurs when an acoustically trapped and periodically driven gas bubble collapses so strongly that the energy focusing at collapse leads to light emission. Detailed experiments have demonstrated the unique properties of this system: the spectrum of the emitted light tends to peak in the ultraviolet and depends strongly on the type of gas dissolved in the liquid; small amounts of trace noble gases or other impurities can dramatically change the amount of light emission, which is also affected by small changes in other operating parameters (mainly forcing pressure, dissolved gas concentration, and liquid temperature). This article reviews experimental and theoretical efforts to understand this phenomenon. The currently available information favors a description of sonoluminescence caused by adiabatic heating of the bubble at collapse, leading to partial ionization of the gas inside the bubble and to thermal emission such as bremsstrahlung. After a brief historical review, the authors survey the major areas of research: Section II describes the classical theory of bubble dynamics, as developed by Rayleigh, Plesset, Prosperetti, and others, while Sec. III describes research on the gas dynamics inside the bubble. Shock waves inside the bubble do not seem to play a prominent role in the process. Section IV discusses the hydrodynamic and chemical stability of the bubble. Stable single-bubble sonoluminescence requires that the bubble be shape stable and diffusively stable, and, together with an energy focusing condition, this fixes the parameter space where light emission occurs. Section V describes experiments and models addressing the origin of the light emission. The final section presents an overview of what is known, and outlines some directions for future research.

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Section: F Sound Emission From the Bubblementioning

confidence: 68%

Single Bubble Sonoluminescence

Arakeri¹

2004

Sonoluminescence

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“…In front of each PMT was a 50 mm lens which not only raised the signal-noise ratio, but also increased the field-of-view to 16°. As is well known, the relationship between the strength of the scattering light and the size of the scattered body is very complex, even not a one-to-one relationship, that is, the different sizes can share a same strength of scattering light, which is called Lobe Clusters (LC) phenomenon [27] . The LC phenomenon depends closely on the receiving angle and the field-of-view as well.…”

Section: The Measurement Of the Aspherical Oscillation Of The Bubble mentioning

confidence: 99%

Dynamics and measurement of cavitation bubble

et al. 2006

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Based on the introduction of international progress, our investigations on acoustic cavitation have been reported. Firstly we considered the cavity's dynamics under the drive of the asymmetrical acoustic pressure. An aspheric dynamical model was proposed and a new stable and aspheric solution was found in numerical simulation of the theoretical framework of the aspheric model. Then, a dual Mie-scattering technique was developed to measure the cavity's aspheric pulsation. A significant asynchronous pulsation signal between two Mie-scattering channels was caught in the case of large cavity driven by low acoustic pressure. As a direct deduction, we observed an evidence of cavity's aspheric pulsation. Furthermore, we studied the dependency of the asynchronous pulsation signal on the various parameters, such as the amplitude and frequency of the driving acoustic pressure, and the surface tension, viscosity and gas concentration of the liquid. Finally, we introduced a new numeric imaging technique to measure the shapes of the periodic pulsation cavities. The time-resolution was in the order of 20 ns, one order of magnitude lower than that in the previous work, say, 200 ns.

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“…Mie theory also remains valid for objects such as 803 water drops in the atmosphere, biological cells, cellular components and gas microbub-804 bles that are larger than the wavelength of the scattered light provided that several 805 changes are introduced [198,199]. This extended approach has been used extensively in 806 meteorological optics and it has also become the primary method for determining the 807 size of gas bubbles in optically transparent liquids [200,201]. Subsequently, Mie theory 808 and the experimental techniques build around it can be used as a means for reading the 809 state of gas bubble-based sensors.…”

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confidence: 99%

Biomechanical Sensing using Gas Bubbles Oscillations in Liquids and Adjacent Technologies: Theory and Practical Applications

Maksymov¹,

Nguyen²,

Suslov³

2022

Preprint

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Gas bubbles present in liquids underpin many natural phenomena and human-developed technologies that improve the quality of life. Since all living organisms are predominantly made of water, they may also contain gas bubbles—introduced both naturally and artificially—that can serve as biomechanical sensors operating in hard-to-reach places inside a living body and emitting signals that can be detected by common equipment used in ultrasound and photoacoustic imaging procedures. This kind of biosensors is the focus of the present article, where we critically review the emergent sensing technologies based on acoustically driven oscillations of gas bubbles in liquids and bodily fluids. This review is intended for a broad biosensing community and transdisciplinary researchers translating novel ideas from theory to experiment and then to practice. To this end, all discussions in this review are written in a language that is accessible to non-experts in specific fields of acoustics, fluid dynamics and acousto-optics.

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Mie scattering from a sonoluminescing air bubble in water

Cited by 3 publications

References 5 publications

Single Bubble Sonoluminescence

Single Bubble Sonoluminescence

Dynamics and measurement of cavitation bubble

Biomechanical Sensing using Gas Bubbles Oscillations in Liquids and Adjacent Technologies: Theory and Practical Applications

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