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The role of acoustic cavitation in liquid pressurization in narrow tubes
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10.1063/1.4801422
/content/aip/journal/jap/113/14/10.1063/1.4801422
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/14/10.1063/1.4801422
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic of the experimental setup for pressure measurements under an ultrasonic field.

Image of FIG. 2.
FIG. 2.

Pump pressures estimated from the maximum height of the silicone oils in the manometer.

Image of FIG. 3.
FIG. 3.

Cavitation clouds at the open end of the tube for the three types of silicone oil with different viscosities.

Image of FIG. 4.
FIG. 4.

Time evolution of the pressure change in the tube using 1-mm2/s silicone oil (stop-cock closed), inserted in the ultrasonic field: (a) without acoustic cavitation, and (b) with acoustic cavitation. Photos (a′) and (b′) correspond to (a) and (b), respectively.

Image of FIG. 5.
FIG. 5.

Time evolution of the pressure change in the tube using 50-mm2/s silicone oil (stop-cock closed), inserted in the ultrasonic field: (a) without acoustic cavitation, and (b) with acoustic cavitation. Photos (a′) and (b′) correspond to (a) and (b), respectively.

Image of FIG. 6.
FIG. 6.

(a) Pump pressure fluctuations (stop-cock open) on the long time-scale of ultrasonic irradiation in 50-mm2/s silicone oil. (b) Typical disruption of the cavitation cloud.

Image of FIG. 7.
FIG. 7.

Response of the pump pressure (stop-cock closed) controlled by acoustic cavitation on the long-time scale of ultrasonic irradiation in 50-mm2/s silicone oil.

Image of FIG. 8.
FIG. 8.

Schematic of (a) the ultrasonic pump (stop-cock closed) with acoustic cavitation bubbles and (b) pressure transmission model at the open end of the tube.

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/content/aip/journal/jap/113/14/10.1063/1.4801422
2013-04-11
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: The role of acoustic cavitation in liquid pressurization in narrow tubes
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/14/10.1063/1.4801422
10.1063/1.4801422
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