Professor of Mechanical Engineering and Smart Structures, School of Computing Engineering and Mathematics, Western Sydney University, Australia. His research interests cover Industry 4.0, Additive Manufacturing, Advanced Engineering Materials and Structures (Metals and Composites), Multi-scale Modelling of Materials and Structures, Metal Forming and Metal Surface Treatment.
Abstract—This study deals with the Helmholtz resonator and the half- and quarter-wave, conical half-wave resonator, which are noise-absorbing structures for reducing noise. Each resonator was made into an analysis model with the same resonance frequency set. This analysis model is used to predict the performance of each resonator before proceeding with the actual experiment. According to the user's request, the band to reduce the noise is set, and the resonator is modeled accordingly. The ducts were used to position the resonator in the middle of the duct, and the performance of each resonator was compared when the same noise was applied. It can be helpful to design before resonator production by confirming by using analysis model whether noise reduction occurs well in the band that wanted to reduce noise.
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