L5 Floor Above Winter FlakIce

  • It is obvious when walking out onto L5 that the Winter FlakIce chiller is a significant disturbance. So, what is that motion that one feels when standing on the floor above it?

  • Quick-and-dirty measurement shows ~30-um at 30-Hz. But it "feels" a lot larger. (And the true displacement might in fact be a lot larger.)

  • DSA measured vibration on L5 floor above Winter FlackIce:
    L5_Winter_FlackIce_vibration.jpg

  • Displacement spectral density:
    L5_Winter_FlackIce_vibration_01.jpg

  • Forward-sum of displacement spectral density:
    L5_Winter_FlackIce_vibration_02.jpg

-- JorgeEsguerra - 12 Apr 2010
I Attachment Action Size Date Who Comment
L5_Winter_FlackIce_vibration.jpgjpg L5_Winter_FlackIce_vibration.jpg manage 471 K 12 Apr 2010 - 19:49 UnknownUser DSA measured vibration on L5 floor above Winter FlackIce
L5_Winter_FlackIce_vibration_01.jpgjpg L5_Winter_FlackIce_vibration_01.jpg manage 77 K 12 Apr 2010 - 20:00 UnknownUser Displacement spectral density
L5_Winter_FlackIce_vibration_02.jpgjpg L5_Winter_FlackIce_vibration_02.jpg manage 69 K 12 Apr 2010 - 20:01 UnknownUser Forward-sum of displacement spectral density
Topic revision: r2 - 05 May 2010, JorgeEsguerra
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