Nonlinear Acoustics State-of-the-Art and Perspectives:
Physically interesting phenomena appear when sound amplitude is increased to be finite. For example, such a sound deforms its waveform during propagation and shock front forms finally. This means that frequency components that do not exist originally are newly created. There are various interdisciplinary research fields branches that treat nonlinear acoustics. Sonic booms and earthquakes are undesired phenomena in nonlinear acoustics; nondestructive testing and biomedical ultrasonic therapy are practically applied in industrial and medical fields; sonochemical reaction due to cavitational collapse can be used for initiation or enhancement of catalytic reaction; thermoacoustic systems have a promising potential for solving global heat problems. This book provides a useful resource and current reference for scientists and engineers who actually work on or are interested in such problems in nonlinear acoustics.
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