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Huang, H. C.

Paper Title Page
WEPC002 Analysis of Beam Orbit Stability and Ground Vibrations at the Diamond Storage Ring 1980
 
  • R. Bartolini, H. C. Huang, J. Kay, I. P.S. Martin
    Diamond, Oxfordshire
 
  With the aim of understanding and improving the beam orbit stability at the Diamond storage ring we launched an extensive campaign of ground and magnets vibration measurements in order to identify the sources of ground vibration and how they affect the beam orbit stability through the girder resonances. We present here the results of the measurements performed during 2007 along with a discussion of the possible remedies and the implications for the orbit feedback systems.  
WEPC029 Assessment of the Impact of External Stimuli on the Floor Stability of Diamond 2049
 
  • J. Kay, H. C. Huang
    Diamond, Oxfordshire
  • R. Bartolini
    JAI, Oxford
 
  Continuous vibration monitoring is carried out and the stability of the Diamond floor slab has been assessed with regard to how it has responded to various external stimuli. Data has been collected on weather conditions and comparison made at extremes with floor vibration. The impact of a high level walkway bridge on the hall floor has also been assessed and there was a unique opportunity for an operational facility to measure the vibration response during a complete power black-out. The impact of local construction work is also presented.