Abstract
Measurements of the ultrasonic attenuation in a wide frequency range, caused by sand and clay particles as well as glass spheres in suspension, are presented. It is found that the behaviour of the attenuation as a function of frequency depends strongly on both particle size and shape. The experimental results agree well with recently published theoretical calculations in a qualitative sense. The measurement of partial concentrations of clay and sand particles in a mixed suspension, is envisaged as an application of the present multifrequency approach.
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