期刊
APPLIED PHYSICS LETTERS
卷 106, 期 1, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4905130
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资金
- Petrobras/ANP
- FAPESP
- CNPq
- CAPES
- CSIC
- ANII
We present the analysis of a non-resonant acoustic levitator, formed by an ultrasonic transducer and a concave reflector. In contrast to traditional levitators, the geometry presented herein does not require the separation distance between the transducer and the reflector to be a multiple of half wavelength. The levitator behavior is numerically predicted by applying a numerical model to calculate the acoustic pressure distribution and the Gor'kov theory to obtain the potential of the acoustic radiation force that acts on a levitated particle. We also demonstrate that levitating particles can be manipulated by controlling the reflector position while maintaining the transducer in a fixed position. (C) 2015 AIP Publishing LLC.
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