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It is known that sound field produces longitudinal oscillation motion of medium. If there are floating particles in a medium those particles oscillate together with liquid. In this paper we consider dynamics of floating particles, which have rotational oscillations in acoustic field. This novel phenomena produces additional sound attenuation due to viscous damping. In the present paper this effect is analytically described. The expression for sound attenuation in suspensions of such particles and estimations of the value of the effect are obtained, and possible applications are discussed.
Słowa kluczowe
Czasopismo
Rocznik
Tom
Strony
167--170
Opis fizyczny
Bibliogr. 3 poz., rys.
Twórcy
autor
- Institute of Applied Physics, Nizhny Novgorod, Russia
autor
- Institute of Applied Physics, Nizhny Novgorod, Russia
autor
- Institute of Applied Physics, Nizhny Novgorod, Russia
autor
- Institute of Applied Physics, Nizhny Novgorod, Russia
Bibliografia
- 1. Lord Rayleigh, The theory ofsound, Dover, New York, 1945.
- 2. M. Isakovich, General Acoustics, Nauka, Moscow, 1973.
- 3. L. Landau, E. Lifshitz, Course of Theoretical Physics, V.6: Fluid Mechanics, 4th ed. Pergamon, New York, 1987.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-1c8b9c32-7f48-4eaf-916b-0cf4e4cc5702