Guang-Ning Qu, Feng-Xian Fan, Si-Hong Zhang, Ming-Xu Su. Interaction between monodisperse fine particles in a standing wave acoustic field [J]. Acta Physica Sinica, 2020, 69(6): 064704-1
- Acta Physica Sinica
- Vol. 69, Issue 6, 064704-1 (2020)
Fig. 1. Schematic of positions of the interacting particles in the acoustic field.
Fig. 2. Comparison between numerical and analytical solutions of particle velocities due to acoustic entrainment: (a) d p = 0.5 μm; (b) d p = 5 μm.
Fig. 3. Comparison between numerical simulation results and experimental observations of particle interaction process (inset shows the particle trajectories during 6T before collision): (a) f = 5000 Hz; (b) f = 900 Hz.
Fig. 4. Influence of initial orientation angle on particle interaction: (a) Trend of particle interaction, inset shows particle trajectories at
= 40°; (b) time required for the particles to achieve collision.
= 40°; (b) time required for the particles to achieve collision. Fig. 5. Influence of initial particle position (
) on particle interaction: (a) Trend of particle interaction, inset shows particle trajectories at
= 0.375λ ; (b) time required for the particles to achieve collision.
) on particle interaction: (a) Trend of particle interaction, inset shows particle trajectories at
= 0.375Fig. 6. Influence of particle diameter on particle interaction: (a) Trend of particle interaction, inset shows particle trajectories at diameters of 1 μm; (b) time required for the particles to achieve collision.
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