Abstract
Based on the uniaxial acoustic levitation structure, the acoustic levitation device is designed and analyzed using the driving effect of piezoelectric ceramics. In the context of acoustic theory, the basic principles of standing wave formation are introduced. According to the standing wave formation principle and related parameters, three kinds of radiating heads with different radiating surfaces are designed. Acoustic analysis is performed on three different radiation heads, and the pressure field and particle trajectory cloud diagram of the suspension device are obtained.Through the analysis and research of the suspension force under different acoustic cavities and the sound pressure cloud picture of a single suspended ball under the action of driving force, it is concluded that the radiating head with the best suspension performance is a concave spherical radiating head, which improves the suspension capacity, the integration of electromechanical drive and structural design analysis is realized.
Published Version
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