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- Title
Experimental research on the horizontally getting together behaviors of acoustically manipulated bi-particle.
- Authors
Wu, Jiaxin; Wu, Liqun; Wang, Zeen; Liu, Haiping; Wang, Yaxing; Wang, Hongcheng; Zhang, Linan; Zhuang, Long
- Abstract
This study aims at the controllability of acoustically manipulated non-contact aggregation of bi-particle. Based on the acoustic wave radiation model of the transducer and the acoustic wave interference theory, the mathematical model between the spatial levitation point and the phase of the phased array ultrasonic array unit is established. A double-sided phased array test system was developed and the phase calculation algorithm for independently manipulating bi-particle was optimized. The algorithm is capable of independently distributing the energy applied to each levitation point. Through simulation and experiment, the horizontally aggregation characteristics of two levitated particles are investigated, and a interesting relationship between particles aggregation and standing wave phase difference is revealed, which follows the law of "attraction in the same phase but repulsion in the opposite phase". By adjusting the tilt angle of the standing wave acoustic trap, the critical distance when particles to accelerate and collision is sharply reduced from 1.5λ to 0.5λ, which provides a new perspective and potential application path for acoustic manipulation technology.
- Subjects
ULTRASONIC arrays; SOUND waves; PHASED array antennas; ACOUSTIC radiation; STANDING waves; ACOUSTIC transducers; ULTRASONIC testing; PARTICLE analysis
- Publication
Scientific Reports, 2024, Vol 14, Issue 1, p1
- ISSN
2045-2322
- Publication type
Article
- DOI
10.1038/s41598-024-70267-z