In the beginning God created the heavens and the earth, then the INFN Padova arrives and the cooling was.
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| Date | Hour | ID | Note |
|---|---|---|---|
| Fri 25/Nov/05 | --:-- | FS | According to the [[https://edms.cern.ch/cedar/plsql/doc.info?cookie=4129300&document_id=49… Manual]], the amount of C4F10 required is:%BR%m=(25/2 + V + 5)* 1.5 kg%BR%where V= volume of the pipes from cooling plant to the sectors, in litres.%BR%In our case V=(Pi*D^2)/4 * l * 10 with D= 4 mm, l= 24 + 5.5 + 5.5 + 5.5 = 40.5 m, V~ 5 l -> m= 33.8 kg.%BR%Transfer stopped at about 33 kg, with almost the same value read from PLC (force sensor) and mass difference with the balance.%BR%We used the Wigam Easy Rec 45 for this purpose with the scheme reported on the paper logbook. I took about 4 h! Better se traditional methods. Initially the bottle was 82.4 kg. |
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| ID | Name |
|---|---|
| FS | Fernando Scarlassara |
-- gguaglio - 25 Apr 2006