Abstract
In this study, deployable cylinders with bellows-like patterns are used to change the neck length of Helmholtz resonator. The cylinders are quasi-rigid foldable and constructed by assembling flat, rigid quadrilateral plates. Acoustic computation revealed that the proposed resonator with a deployable neck worked effectively to attenuate noise at a resonant frequency. Furthermore, we discuss that the proposed resonator was able to cover low frequency range, because the neck length changed reciprocally to the cross-sectional area and the resonant frequency reached zero in theory according to the geometrical configuration of the cylinder.
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Ishida, S., Matsuura, R. (2018). Acoustic Properties of Resonators Using Deployable Cylinders. In: Li, L., Hasegawa, K., Tanaka, S. (eds) Methods and Applications for Modeling and Simulation of Complex Systems. AsiaSim 2018. Communications in Computer and Information Science, vol 946. Springer, Singapore. https://doi.org/10.1007/978-981-13-2853-4_29
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DOI: https://doi.org/10.1007/978-981-13-2853-4_29
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