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Propagation of an Acoustic Pulse of Finite Amplitude in a Granular Medium

Esipov, I. B. and Zosimov, V. V. and Matveev, K. I. (1997) Propagation of an Acoustic Pulse of Finite Amplitude in a Granular Medium. Acoustical Physics, 43 (5). pp. 558-563. ISSN 1063-7710.

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A study of propagation of a wide-band acoustic signal in a granular medium is reported. Experimental data on the propagation of pulses with an amplitude up to 3 MPa and characteristic length about 1 µs through a sample of cobalt-manganese nodules are compared with a computer model of the process. An anomalous sig'rfal absorption in the high-frequency range observed with relatively weak sounding pulses is explained under the assumption of a fractal sample structure on a certain scale. When the signal amplitude increases, the ahsorption assumes a normal power form which is evidence of substance structural changes.

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Additional Information:© 1997 MANK Hayka Interperiodica Publishing. Received August 7, 1996. This study was supported by the Russian Foundation for Fundamental Research. Translated by M.L. Lyamshev
Group:Guggenheim Jet Propulsion Center
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Russian Foundation for Fundamental ResearchUNSPECIFIED
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Guggenheim Jet Propulsion CenterUNSPECIFIED
Issue or Number:5
Record Number:CaltechAUTHORS:20101209-142543898
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Official Citation:Propagation of an Acoustic Pulse of Finite Amplitude in a Granular Medium I. B. Esipov, V. V. Zosimov, and K. I. Matveev p. 558-563
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:21283
Deposited By: Ruth Sustaita
Deposited On:11 Dec 2010 00:19
Last Modified:03 Oct 2019 02:22

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