An experimental study on a new air-eddy current damper for application in low-frequency accelerometers

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This paper discusses the new concept of a hybrid damper for application in low-frequency accelerometers. A hybrid damping structure is proposed in which an air damping principle and an eddy current damping principle are integrated into one damping structure. A prototype of the hybrid damper was fabricated and applied to a low-frequency accelerometer structure. A free-vibration test was conducted on the accelerometer structure in various damping configurations: air-damped, eddy-current-damped and hybrid-damped. The experimental results indicate that the proposed hybrid damper exhibits good damping performance in comparison with single-damped cases while still maintaining their original advantages, such as their low cost, simple structure and nonsealing, nonelectric system. The proposed hybrid damping system will be useful for other small machinery devices in real applications.
Publisher
KOREAN SOC MECHANICAL ENGINEERS
Issue Date
2015-09
Language
English
Article Type
Article
Keywords

DESIGN; SUPPRESSION; MODEL

Citation

JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY, v.29, no.9, pp.3617 - 3625

ISSN
1738-494X
DOI
10.1007/s12206-015-0805-7
URI
http://hdl.handle.net/10203/205375
Appears in Collection
AE-Journal Papers(저널논문)
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