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Liquid Inertia Damper with Steel Balls in a Long By-pass Pipe
Erina Aono,Taichi Matsuoka,Pei-Yang Lin 대한기계학회 2015 대한기계학회 춘추학술대회 Vol.춘계 No.-
The authors developed a liquid type inertia damper that has a long by-pass pipe in order to get large inertial effect instead of fluid. Inertia force is caused by quickly moving of the material inside the by-pass pipe under oscillation. It is proportional to not only a cross sectional area and length of the by-pass pipe, but also a moving mass inside the by-pass pipe. In this time, some steel balls are partially put into the by-pass pipe for a heavy mass. Prototype damper is manufactured, and resisting force characteristics of the damper are measured when water or oil is filled as liquid. The experimental results are compared with that in case without the steel balls. Finally, inertia effect is confirmed experimentally.