Abstract
A single-axis ultrasonic levitator applied in containerless processing of materials was introduced. It could suspend steel ball with density of 7.9 g/cm3 as well as else material samples easily. The finite element model of singe-axis ultrasonic levitator was developed to study the incident acoustic fields. Three-dimensional distribution of time-averaged potential is focused and the results are successful to confirm some experimental phenomena such as the movement of sample along concave reflector and the deviation of object near the reflector.
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