1. It can be employed to simulate the acoustic streaming phenomena. 2. However, they are not the only driven forces for the acoustic streaming . 3. The magnitude of acoustic streaming depends on the power and frequency of input. 4. To get the acoustic streaming , the first-order equations should be solved first. 5. For applications in a static flow, the fluid velocity comes from the acoustic streaming . 6. Thus, the acoustic streaming should be smaller than the main flow for most continuous flow applications. 7. As said, the acoustic streaming is driven by mass and force sources originating from the acoustic attenuation. 8. The boundary vibration may also have contribution to the acoustic streaming , especially to boundary driven streaming . 9. The estimated magnitude of acoustic streaming is in range of 1 �m / s ~ 1 mm / s. 10. Figure 3 is one example of acoustic streaming around a solid circular pillar, which is calculated by FEM method.
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