Physical and numerical investigation reveals acoustic flow velocity dynamics in a Helmholtz resonator throat, indicating how sound wave power shapes internal fluid motion.
This paper is devoted to the study of acoustic flow in the Helmholtz resonator throat. The presented results of a complex investigation on the basis of data of a physical experiment and a mathematical modeling, their comparative analysis, and comparison with theoretical estimations provide a rather complete image of the acoustic flow formation and, in particular, enable one to obtain qualitative and quantitative dependences of the averaged velocity component in the resonator throat at different powers of an exciting sound wave.
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Duben et al. (2012) studied this question.
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