DocumentCode :
1460283
Title :
An explanation for the anomalous ultrasonic slow wave in underwater sand
Author :
Chamuel, Jacques R.
Author_Institution :
Sonoquest Adv. Ultrasonics Res., Wellesley Hills, MA, USA
Volume :
45
Issue :
6
fYear :
1998
Firstpage :
1441
Lastpage :
1443
Abstract :
An explanation is given for the propagation time of the well-known anomalous ultrasonic slow wave observed in water-saturated sand using a three-layer elastic model. The rapid increase of elastic properties of sand with depth causes conversion of near-grazing underwater acoustic waves into multiple coupled shear and compressional waves.
Keywords :
sand; ultrasonic propagation; underwater acoustic propagation; anomalous ultrasonic slow wave propagation; compressional wave; near-grazing acoustic wave; shear wave; three-layer elastic model; underwater sand; Acoustic beams; Acoustic propagation; Acoustic scattering; Acoustic signal detection; Acoustic waves; Couplings; Electrical capacitance tomography; Instruments; Sediments; Underwater acoustics;
fLanguage :
English
Journal_Title :
Ultrasonics, Ferroelectrics, and Frequency Control, IEEE Transactions on
Publisher :
ieee
ISSN :
0885-3010
Type :
jour
DOI :
10.1109/58.738283
Filename :
738283
Link To Document :
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