Experimental Investigation of Acoustic Scattering and Reflection of Marine Sediments by the High-Speed Visualization Method

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概要

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• Acoustic scattering and reflection phenomena at the surface of marine sediment models were visualized by the shadowgraph method with an impulse source realized by a small spark gap. Water saturated glass beads were used as a sediment model. Lateral wave was clearly observed for fine sediments (small grain size compared with wavelength). Scattered waves and multiple reflected waves were observed for coarse sediments (larger or equivalent grain size compared with wavelength).

• INSTITUTE OF PURE AND APPLIED PHYSICSの論文
• 2001-05-30

著者

• Otani Takahiko

  Laboratory Of Ultrasonic Electronics Faculty Of Engineering Doshisha University

• Pernod Philippe

  Groupe Electronique Acoustique Ecole Centrale De Lille

• Derbesse Laurent

  Groupe Electronique Acoustique Ecole Centrale De Lille

• Otani Takahiko

  Laboratory of Ultrasonic Electronics, Faculty of Engineering, Doshisha University, Kyotanabe, Kyoto 610-0321, Japan

• Koide Naotaka

  Groupe Electronique Acoustique, Ecole Centrale de Lille, Cite Scientifique-BP 48, 59651 Villeneuve d'Ascq, France

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• Experimental Investigation of Acoustic Scattering and Reflection of Marine Sediments by the High-Speed Visualization Method

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