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파티클 댐퍼 성능에 대한 변수의 영향도 분석 및 최적화
김현욱(Hyun Uk Kim),강원욱(Won Uk Kang),윤한솔(Han Sol Youn),이재응(Jae Eung Lee) 대한기계학회 2017 대한기계학회 춘추학술대회 Vol.2017 No.11
A particle damper is a device that acts as a passive damper that fills particles inside the enclosure in a variety of ways, resulting in energy dissipation due to collision and friction between the particle and the enclosure. In this paper, an experimental study is carried out to establish the damping performance in a low frequency band by installing a particle damper on a single degree of freedom cantilever beam using a design of experiments. In this process, we analyze the influence of the parameters (excitation amplitude, mass ratio, particle size, gap size, enclosure diameter) affecting the performance of the particle damper. Based on this, we try to optimize parameters of the particle dampers that can maximize attenuation of the system using MINITAB, and validate them through experiments.