Difference: MWardWorkDiary2017W4 (2 vs. 3)

Revision 324 Jan 2017 - MarkWard

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META TOPICPARENT name="MarkWard"
-- MarkWard - 23 Jan 2017
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  • Items to Sam at Cryovac;
    • Requested information regarding burst disk part numbers so i can look at tollerances (how Close to 5 bar can we go)
      • Need to figure what type of disk it will be could be a -10% to 0% range, meaning the max we can safely go could be 4.5bar, but equally it could be a range -3 to +6% (depends on design) meaning 4.85 bar...
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      • Maximum working pressures are also not the same as recommended operating pressures... these are typically specified with the part. Could be 70% all the way up to 90%... (Fairly standard... Example, just because a power supply maximum power is 500W, its recommended you dont operate at 100% for long periods.)
 
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        • Cryovac use FIKE to supply burst disks, information provided suggests +/- 5% with an operating ratio of 95% meaning maximum working pressure would be 4.75bar
 
    • Requested information regarding part numbers of components such as regulators
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        • Regulators wont have valves on them, can have them if we want intention was to have the solenoids do that work.
        • I agree with this, we can do what we want without them and having just the valve on the bottle to protect the system.
 
    • Requested information regarding a removable line between the gas manifold and the gas inlet to the chamber. (for later additions)
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        • Request made and will be updated on the P&ID
 
    • Requested information regarding full platform elivation (hand cranked or electrical) for the chamber such that it can be built for 1.3m height but aligned to the beam at 1.7, parrallel to this (Zach) investigate options for elivation changes at CERN
      • Looks like we have a solution of using 800mm and 400mm blocks to build a platform.
 
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