Bubble Power and Ultrasound

• If anyone begins to think about the term ultrasound, the first thing that comes to the mind is the fact that it is used in animal communications (e.g., bat navigation and dog whistles). Also, one may start to think that this term is familiar in daily life and has been used many times in medicine applications for foetal imaging, (SONAR). However, many questions come to the mind, such as, what is happening when ultrasound is transmitted through the body? If it is sound, he asks himself why I cannot hear any sound? The interaction between bubbles and sound waves in liquids leads to the phenomenon of acoustic cavitation. The meaning of the word cavitation is not known or understandable for many people. This paper is to contribute the knowledge of bubble power under the action of ultrasound and to give a more comprehensive description of this phenomenon.

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