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Title: Propagation of wedge acoustic waves along wedges embedded in water
Authors: Krylov, Victor V.
Keywords: Underwater acoustic propagation
Underwater vehicle propulsion
Wedges
Issue Date: 1994
Publisher: © IEEE
Citation: KRYLOV, V.V., 1994. Propagation of wedge acoustic waves along wedges embedded in water. IN: Proceedings of the IEEE 1994 International Ultrasonics Symposium, Cannes, France, Oct. 31-Nov. 3, pp. 793 - 796
Abstract: In this paper, the preliminary theoretical results are reported on the propagation of antisymmetric (flexural) wedge acoustic waves in solid wedges immersed in liquid. It is shown that in a subsonic regime of propagation, the influence of liquid may result in significant decrease of wedge wave velocities in comparison with their values in vacuum. For wedges made of such materials as rubber, the wedge-wave velocities may be as small as few meters per second. Wedge waves with such low propagation velocities may be used as a new source for propulsion of vessels in water similar to that used in nature by some fish, e.g. rays, which use wave-like motion of their wings for moving forward. The advantage of using wedge waves for wave-like propulsion of man-inhabited vessels in water is that the main body of a vessel would be virtually quiet because the wedge-wave vibration energy is concentrated near the wedge tips
Description: This is a conference paper [© IEEE]. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE
Version: Published
DOI: 10.1109/ULTSYM.1994.401763
URI: https://dspace.lboro.ac.uk/2134/9669
Publisher Link: http://dx.doi.org/10.1109/ULTSYM.1994.401763
ISBN: 0780320123
Appears in Collections:Conference Papers and Contributions (Aeronautical and Automotive Engineering)

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