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Dynamics Simulation of Microbubbles in Ultrasonic Wave Field Considering the Secondary Bjerknes Force

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Abstract:

In order to control a large number of microbubbles with a pumping ultrasonic wave, it is essential to consider a bubble-to-bubble interaction. This paper proposes a simplified microbubble dynamics simulation method considered with bubble-to-bubble interaction in ultrasonic wave field. The microbubble dynamics is solved with difference method based on the Stokes’s low and the secondary Bjerknes force between microbubbles. The laminar flow is considered in the cylindrical calculation region. The effectiveness of the frequency sweep method in laminar flow is shown with simulation results. And a usefulness of this dynamics simulation is also discussed through the experimental result.

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Info:

Periodical:

Key Engineering Materials (Volume 459)

Pages:

271-276

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.459.271

Citation:

Cite this paper

Online since:

December 2010

Authors:

Takashi Miwa, Yoshiki Yamakoshi

Keywords:

Difference Method, Laminar Flow, Microbubble Dynamics, Nonlinear Oscillation, Secondary Bjerknes Force

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