Answers are grounded in this paper and cite their sources.
A noncontact manipulation technique is necessary in micromachine technology. Using a standing-wave field generated between a transducer and a reflector, it is possible to trap particles at nodes of a sound pressure field. In the present paper, a sound field has been studied by both experimental measurement and numerical calculation. The sound pressure distribution of a standing-wave field was measured using a small microphone and calculated numerically using Rayleigh's formula. Although Rayleigh's formula is usually used to calculate direct sound pressure from a sound source, it has been shown that the sound pressure of the standing-wave field can be calculated by Rayleigh's formula by adding multiply reflected waves.
No takes yet. Share an insight, caveat, or question.
Kozuka et al. (2008) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: