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tatsuki.washimi - 13:57 Thursday 27 February 2020 (13197) Print this report
vibration isolation for the OMC GV complessor
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tatsuki.washimi - 9:18 Friday 28 February 2020 (13206) Print this report

2hour period noise looks to be reduced well.

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tomotada.akutsu - 12:43 Friday 28 February 2020 (13216) Print this report

Thanks for your efforts! By the way, judging from the photos of the original klog post, the treatment you did was to put rubber sheets under the OMC GV compressor, right?

The BNS range would be determined around 100-1000Hz, and I guess vibration transfer in these frequency range would be mainly due to air, or in the other words, sound (like "sou-on", in Japanese). Is it possible to construct sound-proof walls around the compressor?  The rubber sheets maybe useful to reduce vibration transfer at low frequency range ("shin-dou", in Japanese), but not for sound.

tatsuki.washimi - 13:32 Friday 28 February 2020 (13217) Print this report
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