Frequency analysis of semi-active tuned magnetic fluid column damper with two electromagnets

Kazuki Ikari; Hideaki Masuda; Toshiyuki Oyamada; Tatsuo Sawada

doi:10.4028/www.scientific.net/MSF.792.275

Frequency analysis of semi-active tuned magnetic fluid column damper with two electromagnets

Kazuki Ikari, Hideaki Masuda, Toshiyuki Oyamada, Tatsuo Sawada

Department of Mechanical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Citations (Scopus)

Abstract

A new semi-active tuned liquid column damper (TLCD) that uses magnetic fluid as its working fluid (MF-TLCD) is presented. An MF-TLCD alters the natural frequency of the magnetic fluid column that forms the resident liquid inside the MF-TLCD by applying a magnetic field. We investigated the damping characteristics of an MF-TLCD equipped with two electromagnets, and also the transition of the natural frequency, which is strongly related to the damping performance. The coupled structure-MF-TLCD system was investigated both experimentally and by numerical analysis. The momentum equation of an MF-TLCD and its numerical solution are presented. The numerical results are validated by comparison with experimental results.

Original language	English
Title of host publication	Applied Electromagnetic Engineering for Magnetic, Superconducting, Multifunctional and Nano Materials
Publisher	Trans Tech Publications Ltd
Pages	275-280
Number of pages	6
ISBN (Print)	9783038350705
DOIs	https://doi.org/10.4028/www.scientific.net/MSF.792.275
Publication status	Published - 2014 Jan 1
Event	8th Japanese-Mediterranean Workshop on Applied Electromagnetic Engineering for Magnetic, Superconducting, Multifunctional and Nano Materials, JAPMED 2013 - Athen, Greece Duration: 2013 Jun 23 → 2013 Jun 26

Publication series

Name	Materials Science Forum
Volume	792
ISSN (Print)	0255-5476
ISSN (Electronic)	1662-9752

Other

Other	8th Japanese-Mediterranean Workshop on Applied Electromagnetic Engineering for Magnetic, Superconducting, Multifunctional and Nano Materials, JAPMED 2013
Country	Greece
City	Athen
Period	13/6/23 → 13/6/26

Keywords

Magnetic field
Magnetic fluid
Natural frequency
Tuned liquid column damper

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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Cite this

Ikari, K., Masuda, H., Oyamada, T., & Sawada, T. (2014). Frequency analysis of semi-active tuned magnetic fluid column damper with two electromagnets. In Applied Electromagnetic Engineering for Magnetic, Superconducting, Multifunctional and Nano Materials (pp. 275-280). (Materials Science Forum; Vol. 792). Trans Tech Publications Ltd. https://doi.org/10.4028/www.scientific.net/MSF.792.275

Frequency analysis of semi-active tuned magnetic fluid column damper with two electromagnets. / Ikari, Kazuki; Masuda, Hideaki; Oyamada, Toshiyuki; Sawada, Tatsuo.

Applied Electromagnetic Engineering for Magnetic, Superconducting, Multifunctional and Nano Materials. Trans Tech Publications Ltd, 2014. p. 275-280 (Materials Science Forum; Vol. 792).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Ikari, K, Masuda, H, Oyamada, T & Sawada, T 2014, Frequency analysis of semi-active tuned magnetic fluid column damper with two electromagnets. in Applied Electromagnetic Engineering for Magnetic, Superconducting, Multifunctional and Nano Materials. Materials Science Forum, vol. 792, Trans Tech Publications Ltd, pp. 275-280, 8th Japanese-Mediterranean Workshop on Applied Electromagnetic Engineering for Magnetic, Superconducting, Multifunctional and Nano Materials, JAPMED 2013, Athen, Greece, 13/6/23. https://doi.org/10.4028/www.scientific.net/MSF.792.275

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abstract = "A new semi-active tuned liquid column damper (TLCD) that uses magnetic fluid as its working fluid (MF-TLCD) is presented. An MF-TLCD alters the natural frequency of the magnetic fluid column that forms the resident liquid inside the MF-TLCD by applying a magnetic field. We investigated the damping characteristics of an MF-TLCD equipped with two electromagnets, and also the transition of the natural frequency, which is strongly related to the damping performance. The coupled structure-MF-TLCD system was investigated both experimentally and by numerical analysis. The momentum equation of an MF-TLCD and its numerical solution are presented. The numerical results are validated by comparison with experimental results.",

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