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Acoustic interferometer

About: Acoustic interferometer is a research topic. Over the lifetime, 1493 publications have been published within this topic receiving 19355 citations.


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TL;DR: In this article, the influence of plastic deformation of St.3 steel on the velocity of Rayleigh surface acoustic waves measured by the method of laser recording was studied, showing that plastic strains lead to the formation of anisotropy of the acoustic properties mainly determined, according to the data of evaluation of residual mechanical stresses, by the texture of steel.
Abstract: We study the influence of plastic deformation of St.3 steel on the velocity of Rayleigh surface acoustic waves measured by the method of laser recording. It is shown that plastic strains lead to the formation of anisotropy of the acoustic properties mainly determined, according to the data of evaluation of residual mechanical stresses, by the texture of steel.

1 citations

Journal ArticleDOI
TL;DR: In this article, the authors derived the governing equations for the sound and entropy mode which is generated in the field of sound using a special mathematical method and showed that under some conditions, sound waves propagating in opposite directions do not interact.
Abstract: Standing waves and acoustic heating in a one-dimensional resonator filled with a chemically reacting gas, is a subject of investigation. The chemical reaction of $A \rightarrow B$ type, which takes place in a gas, may be reversible or not. Governing equations for the sound and entropy mode which is generated in the field of sound are derived by use of a special mathematical method. Under some conditions, sound waves propagating in opposite directions do not interact. The character of nonlinear dynamics of the sound and relative acoustic heating or cooling depends on reversibility of a chemical reaction. Some examples of acoustic heating in a resonator are illustrated and discussed.

1 citations

Journal ArticleDOI
TL;DR: In this article, the Dirichlet condition is given on the boundary of the waveguide and also two consistency conditions are defined on the interface between the fluid and the bottom of the bottom.
Abstract: The two-dimensional problem of propagating the waves generated by a point source, in a depth plane-layered waveguide is investigated. The Dirichlet condition is given on the boundary of the waveguide and also two consistency conditions are defined on the interface between the fluid and the bottom. The velocity of acoustic waves is assumed to be dependent only on the depth of the waveguide. With the help of cumbersome transformations, the solution is represented as a sum of geometric-optical waves, normal waves, and a remainder. Sufficient conditions on the total amount of detached normal and geometric-optical waves are obtained. The remainder is expressed by a simple formula. Bivliography: 22 titles.

1 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
20223
20182
201722
201627
201529
201433