Passive vibration suppression using ball impact damper absorber

被引：19

作者：

Djemal, Fathi ^{[1
]}

Chaari, Riadh ^{[1
]}

Gafsi, Wajih ^{[1
]}

Chaari, Fakher ^{[1
]}

Haddar, Mohamed ^{[1
]}

机构：

[1] Univ Sfax, Natl Sch Engineers Sfax, Mech Modelling & Prod Lab LA2MP, Sfax, Tunisia

来源：

APPLIED ACOUSTICS | 2019年 / 147卷

关键词：

Impact damping absorber; Vibration suppression; Passive absorber; Multiphase flow theory; PARTICLE; FLOW; PREDICTION; PLATE;

D O I：

10.1016/j.apacoust.2017.09.011

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

Particle damping is an efficient method for passive vibration suppression. For this reason, a ball impact damping absorber with a simple design is modelled in order to improve the vibration suppression. In fact, an experimental study is carried and a numerical model is adapted using the Multiphase Flow Theory (MFT). Indeed, the absorber is modelled by considering the balls stored in an enclosure and attached to the primary system as multiphase flow of gas-particle. The results obtained show an agreement between the approached numerical model and the experimental tests.

引用

页码：72 / 76

页数：5

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