Fluid inertia damper using MR fluid with a long spiral bypass pipe

An inertia damper with a long spiral bypass pipe was developed in order to obtain a series inertia effects for vibration suppression of structures in practical use. The damper comprised a cylinder, piston, and MR fluid. The gap was spirally formed around the outside of a cylinder, and acted as a lon...

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Autores principales:	Taichi MATSUOKA, Kazuhiko HIRAMOTO, Katsuaki SUNAKODA, Naoto ABE, Pei-Yang LIN
Formato:	article
Lenguaje:	EN
Publicado:	The Japan Society of Mechanical Engineers 2016
Materias:	vibration control device vibration control damping damper mr fluid series inertia mass Mechanical engineering and machinery TJ1-1570
Acceso en línea:	https://doaj.org/article/32bbc2a3b6ba495d81fc5e9f76b874f0
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id	oai:doaj.org-article:32bbc2a3b6ba495d81fc5e9f76b874f0
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spelling	oai:doaj.org-article:32bbc2a3b6ba495d81fc5e9f76b874f02021-11-26T06:40:17ZFluid inertia damper using MR fluid with a long spiral bypass pipe2187-974510.1299/mej.15-00731https://doaj.org/article/32bbc2a3b6ba495d81fc5e9f76b874f02016-03-01T00:00:00Zhttps://www.jstage.jst.go.jp/article/mej/3/2/3_15-00731/_pdf/-char/enhttps://doaj.org/toc/2187-9745An inertia damper with a long spiral bypass pipe was developed in order to obtain a series inertia effects for vibration suppression of structures in practical use. The damper comprised a cylinder, piston, and MR fluid. The gap was spirally formed around the outside of a cylinder, and acted as a long bypass pipe. MR fluid is well known for its changeable damping effect, but the mass of the fluid is the focus of this study. It is obvious from previous studies that a fluid inertia effect is caused by quick motion in the long bypass pipe, and it depends on the length of the bypass pipe, compression ratio of area, and density. A large inertia effect can be derived if the fluid has a heavy mass. In order to confirm the inertia effect, a prototype damper was manufactured, and resisting force characteristics were measured. Seismic response tests using a 3-story structure were then performed using a shaking table with the damper installed. Each story of the structure had a height of 3 m, and a weight of 6 tons with a total height of 9 m and a total weight of 18 tons. Several types of earthquakes were input, and the response acceleration, relative displacement, and reaction force were measured. Finally the effects of vibration reduction were confirmed experimentally, and a feasibility study was discussed.Taichi MATSUOKAKazuhiko HIRAMOTOKatsuaki SUNAKODANaoto ABEPei-Yang LINThe Japan Society of Mechanical Engineersarticlevibration control devicevibration controldampingdampermr fluidseries inertia massMechanical engineering and machineryTJ1-1570ENMechanical Engineering Journal, Vol 3, Iss 2, Pp 15-00731-15-00731 (2016)
institution	DOAJ
collection	DOAJ
language	EN
topic	vibration control device vibration control damping damper mr fluid series inertia mass Mechanical engineering and machinery TJ1-1570
spellingShingle	vibration control device vibration control damping damper mr fluid series inertia mass Mechanical engineering and machinery TJ1-1570 Taichi MATSUOKA Kazuhiko HIRAMOTO Katsuaki SUNAKODA Naoto ABE Pei-Yang LIN Fluid inertia damper using MR fluid with a long spiral bypass pipe
description	An inertia damper with a long spiral bypass pipe was developed in order to obtain a series inertia effects for vibration suppression of structures in practical use. The damper comprised a cylinder, piston, and MR fluid. The gap was spirally formed around the outside of a cylinder, and acted as a long bypass pipe. MR fluid is well known for its changeable damping effect, but the mass of the fluid is the focus of this study. It is obvious from previous studies that a fluid inertia effect is caused by quick motion in the long bypass pipe, and it depends on the length of the bypass pipe, compression ratio of area, and density. A large inertia effect can be derived if the fluid has a heavy mass. In order to confirm the inertia effect, a prototype damper was manufactured, and resisting force characteristics were measured. Seismic response tests using a 3-story structure were then performed using a shaking table with the damper installed. Each story of the structure had a height of 3 m, and a weight of 6 tons with a total height of 9 m and a total weight of 18 tons. Several types of earthquakes were input, and the response acceleration, relative displacement, and reaction force were measured. Finally the effects of vibration reduction were confirmed experimentally, and a feasibility study was discussed.
format	article
author	Taichi MATSUOKA Kazuhiko HIRAMOTO Katsuaki SUNAKODA Naoto ABE Pei-Yang LIN
author_facet	Taichi MATSUOKA Kazuhiko HIRAMOTO Katsuaki SUNAKODA Naoto ABE Pei-Yang LIN
author_sort	Taichi MATSUOKA
title	Fluid inertia damper using MR fluid with a long spiral bypass pipe
title_short	Fluid inertia damper using MR fluid with a long spiral bypass pipe
title_full	Fluid inertia damper using MR fluid with a long spiral bypass pipe
title_fullStr	Fluid inertia damper using MR fluid with a long spiral bypass pipe
title_full_unstemmed	Fluid inertia damper using MR fluid with a long spiral bypass pipe
title_sort	fluid inertia damper using mr fluid with a long spiral bypass pipe
publisher	The Japan Society of Mechanical Engineers
publishDate	2016
url	https://doaj.org/article/32bbc2a3b6ba495d81fc5e9f76b874f0
work_keys_str_mv	AT taichimatsuoka fluidinertiadamperusingmrfluidwithalongspiralbypasspipe AT kazuhikohiramoto fluidinertiadamperusingmrfluidwithalongspiralbypasspipe AT katsuakisunakoda fluidinertiadamperusingmrfluidwithalongspiralbypasspipe AT naotoabe fluidinertiadamperusingmrfluidwithalongspiralbypasspipe AT peiyanglin fluidinertiadamperusingmrfluidwithalongspiralbypasspipe
_version_	1718409710108934144

Fluid inertia damper using MR fluid with a long spiral bypass pipe

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