An inertial bubble collapsing near a solid boundary generates a fast impulsive micro jet directed towards the boundary. The jet impact on the solid boundary can cause pitting, and this effect has been taken advantage of in surgeries such as when micro-bubbles are driven ultrasonically to cavitate in tissue and produce jets that are believed to induce the surgical effect. In this experimental investigation we are interested in the jetting from single cavitation bubbles near boundaries. By introducing a through hole in the boundary beneath a single laser-induced bubble it is hypothesized that the forming jet upon bubble implosion will proceed to penetrate through the hole to the other side and that it may be utilized in useful application such as precise surgeries. We study the cases of a bubble in an infinite medium, near a blank solid boundary, and above a hole in a solid boundary. We find in the case of the hole the unexpected formation of a counter jet that is directed away from the hole and into the bubble. These findings are contrasted to similar counter jetting behaviors from bubbles near boundaries with viscous and elastic properties.
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ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting collocated with 8th International Conference on Nanochannels, Microchannels, and Minichannels
August 1–5, 2010
Montreal, Quebec, Canada
Conference Sponsors:
- Fluids Engineering Division
ISBN:
978-0-7918-4949-1
PROCEEDINGS PAPER
The Jetting Behavior From Single Laser Induced Bubbles Generated Above a Solid Boundary With a Through Hole
Jack E. Abboud,
Jack E. Abboud
American University of Beirut, Beirut, Lebanon
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Ghanem F. Oweis
Ghanem F. Oweis
American University of Beirut, Beirut, Lebanon
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Jack E. Abboud
American University of Beirut, Beirut, Lebanon
Ghanem F. Oweis
American University of Beirut, Beirut, Lebanon
Paper No:
FEDSM-ICNMM2010-30658, pp. 39-48; 10 pages
Published Online:
March 1, 2011
Citation
Abboud, JE, & Oweis, GF. "The Jetting Behavior From Single Laser Induced Bubbles Generated Above a Solid Boundary With a Through Hole." Proceedings of the ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting collocated with 8th International Conference on Nanochannels, Microchannels, and Minichannels. ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting: Volume 2, Fora. Montreal, Quebec, Canada. August 1–5, 2010. pp. 39-48. ASME. https://doi.org/10.1115/FEDSM-ICNMM2010-30658
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