Generation of transient cavities in liquids by microsecond pulses of ultrasound
H. G. Flynn
Abstract
H. G. Flynn
Abstract
Calculations reported here show that small gas nuclei in a liquid acted on by microsecond ultrasonic pulses may grow into transient cavities that collapse violently. The maximum pressures and temperatures generated by such collapsing cavities are found in these calculations to be of the order of 1000 to 70 000 bars and 1000 ° to 20 000 °K.
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Calculations reported here show that small gas nuclei in a liquid acted on by microsecond ultrasonic pulses may grow into transient cavities that collapse violently. The maximum pressures and temperatures generated by such collapsing cavities are found in these calculations to be of the order of 1000 to 70 000 bars and 1000 ° to 20 000 °K.
Key concepts: Microsecond, Transient (computer programming), Materials science, Ultrasonic sensor, Ultrasound, Mechanics, Optics, Atomic physics