The key to accurately manipulating particles in an acoustic field lies in the control of the acoustic radiation force. Therefore, in practical applications, we need to consider the acoustic radiation force generated under various circumstances. In previous work, much research has focused on the acoustic radiation force when particles are in a boundary-free field. However, in reality, these particles are often in a bounded environment, and we need to consider the impact of these boundaries. This impact includes the reflection of sound waves by impedance boundaries, which can cause changes in the surrounding acoustic field. These changes, in turn, can affect the magnitude and direction of the acoustic radiation force experienced by the particles, thereby affecting the precise manipulation of the particles.

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The Impact of Boundaries on Acoustic Radiation Force

  • Xiaozhou Liu,
  • Hairong Zheng

摘要

The key to accurately manipulating particles in an acoustic field lies in the control of the acoustic radiation force. Therefore, in practical applications, we need to consider the acoustic radiation force generated under various circumstances. In previous work, much research has focused on the acoustic radiation force when particles are in a boundary-free field. However, in reality, these particles are often in a bounded environment, and we need to consider the impact of these boundaries. This impact includes the reflection of sound waves by impedance boundaries, which can cause changes in the surrounding acoustic field. These changes, in turn, can affect the magnitude and direction of the acoustic radiation force experienced by the particles, thereby affecting the precise manipulation of the particles.