Acoustic microcavitation: its active and passive acoustic detection.

  title={Acoustic microcavitation: its active and passive acoustic detection.},
  author={S I Madanshetty and Ronald A. Roy and R E Apfel},
  journal={The Journal of the Acoustical Society of America},
  volume={90 3},
In this work acoustic microcavitation in water is studied primarily at 0.75 MHz and 1% duty cycle. To detect cavitation, two kinds of acoustic detectors are used. The first one is an unfocused, untuned 1-MHz receiver transducer that serves as a passive detector. The other one is a focused 30-MHz transducer that is used in pulse-echo mode and is called the active detector. Cavitation itself is brought about by a focused PZT-8 crystal driven in pulse mode. The active detector is arranged… CONTINUE READING

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