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A NEW METHOD FOR ACOUSTIC CHARACTERIZATION OF PARTICULATE MATERIALS: PRELIMINARY RESULTS

机译:颗粒材料声学表征的新方法:初步结果

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摘要

We describe a new method of measuring acoustic properties of particulate (unconsolidated) materials and present preliminary results of its application to studying artificial granular media. The results demonstrate promising prospects for the new method. Earlier unknown features of a dynamic response of unconsolidated granular medium are revealed. Experimental observations of slow relaxation in such media are performed.
机译:我们描述了一种测量颗粒(未固结)材料的声学特性的新方法,并介绍了其在研究人工颗粒介质中应用的初步结果。结果证明了该新方法的前景广阔。揭示了未固结颗粒介质动态响应的早期未知特征。在这种介质中进行缓慢松弛的实验观察。

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