Abstract
The ultrasonic vibration potential, which refers to the generation of voltages on the passage of sound through colloidal or ionic solutions, can be used as a method of imaging, where image contrast is governed by the presence of colloidal or ionic regions within a body. Here we derive an expression for the current in a pair of parallel electrodes placed externally to a spherical, colloidal body irradiated with plane acoustic waves. Experiments are reported showing the ability of the method to determine the radius of the sphere.
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