Nonlinear generation of airborne sound by waves of ultrasonic frequencies |
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Authors: | N S Vinogradov M S Dorofeev A I Korobov S G Mikhailov O V Rudenko A V Shanin A O Shilkin |
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Institution: | (1) Faculty of Physics, Moscow State University, Vorob’evy gory, Moscow, 119992, Russia |
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Abstract: | The results of research into the design and optimization of laboratory sources of intense airborne ultrasound are reported. Two types of sources are studied: multielement arrays of small-size piezoelectric radiators and single membrane transducers of a capacitor type. The measured characteristics of the ultrasound fields and the audible sound fields generated in air due to the nonlinear interaction of high-frequency waves are presented. Applications of nonlinear acoustic problems in air are discussed. |
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