Host: The Japan Society of Mechanical Engineers
Name : Dynamics and Design Conference 2023
Date : August 28, 2023 - August 31, 2023
While impact dampers have the advantage of a simple structure that allows them to be installed in confined spaces, they have the disadvantages of noise at the collision of an impactor, damage to the container walls, and reduced damping performance under low acceleration. In order to solve these problems, liquid-filled particle dampers have been proposed. By enclosing the fluid, the particles are affected by the fluid when vibrations occur, and their movement becomes more active. In addition, fluid is pushed out of the small gaps between the individual particles, resulting in a greater energy loss. Although previous studies have investigated experimentally and numerically, the effect of conditions such as the mixing ratio of fluid and granular material on damping performance was not examined. In this study, the effects were investigated experimentally.
