Vibration damping of magnet girder assembly of Shanghai synchrotron radiation facility’s storage ring

bu ling-shan; zhao zhen-tang; yin li-xin; du han-wen; yan zhong-bao

Volume 20 Issue 01

Jan. 2008

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bu ling-shan, zhao zhen-tang, yin li-xin, et al. Vibration damping of magnet girder assembly of Shanghai synchrotron radiation facility’s storage ring[J]. High Power Laser and Particle Beams, 2008, 20.

Citation:

bu ling-shan, zhao zhen-tang, yin li-xin, et al. Vibration damping of magnet girder assembly of Shanghai synchrotron radiation facility’s storage ring[J]. High Power Laser and Particle Beams, 2008, 20.

Citation:

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Vibration damping of magnet girder assembly of Shanghai synchrotron radiation facility’s storage ring

1.
Shanghai Institute of Applied Physics,Chinese Academy of Sciences,P.O.Box 204,Shanghai 201800,China;
2.
Graduate University of Chinese Academy of Sciences,Beijing 100049,China

Publish Date: 2008-01-15

Abstract

Abstract

Shanghai synchrotron radiation facility (SSRF) is a third-generation light source under construction. It requires high level of electron beam orbit stability. Mechanical stability of the magnet girder assemblies (MGAs) is essential for electron beam orbit stability. Tests on the SSRF MGA prototype show that its resonant amplification is about 50 at about 19 Hz, which is five times larger than required. Hence vibration damping research for the MGA is necessary, a kind of constrained layer damping plates using viscoelastic materials was developed for attenuating the resonant amplification. The MGA prototype with damping plates had good damping performance in tests, and the resonant amplification was reduced by 91.8%. The damping plates could be used to improve the mechanical stability of the
- storage ring,
- magnet girder assembly,
- vibration,
- vibration damping

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