<html><body><div style="font-family: tahoma,new york,times,serif; font-size: 14pt; color: #009900"><div>thanks brian.<br data-mce-bogus="1"></div><div>w.r.t. to this statement:<br data-mce-bogus="1"></div><div><span style="color: rgb(0, 0, 255);" data-mce-style="color: #0000ff;">We don't really care so much about the flow rate through the makeup itself, but rather if it is on or not.</span></div><div><span style="color: rgb(0, 128, 0);" data-mce-style="color: #008000;">i guess this has to be within certain limits, not one H2O molecule/year!!)<br data-mce-bogus="1"></span></div><div><span style="color: rgb(0, 128, 0);" data-mce-style="color: #008000;">yeah, and regarding those two questions which are still hanging in the ether, what's your guess?<br data-mce-bogus="1"></span></div><div><span style="color: rgb(0, 128, 0);" data-mce-style="color: #008000;">or do we believe in the ostrich solution?<br data-mce-bogus="1"></span></div><div><br></div><hr id="zwchr" data-marker="__DIVIDER__"><div data-marker="__HEADERS__"><b>From: </b>"Brian Eng" <beng@jlab.org><br><b>To: </b>"Amrit Yegneswaran" <yeg@jlab.org><br><b>Cc: </b>"dsg-hallb magnets" <dsg-hallb_magnets@jlab.org><br><b>Sent: </b>Thursday, November 15, 2018 9:49:03 AM<br><b>Subject: </b>Re: [Dsg-hallb_magnets] lcw 92 flow rates<br></div><div><br></div><div data-marker="__QUOTED_TEXT__">Without the addition of a separate flow meter to measure the flow through the entire MPS I think all we have is the individual values measured earlier.<br><br>https://logbooks.jlab.org/entry/3625102<br><br>There's a copy of the files on the O: drive here O:\DSG\DETECTORS\magnets pablo\Hall B\HB_TORSOL_Waterflow<br><br>We don't really care so much about the flow rate through the makeup itself, but rather if it is on or not.<br><br><br>I think there's two outstanding issues (maybe someone else has others?)<br>1) Why does this only seem to effect the solenoid and not the torus?<br>2) Does the solenoid need the same flow thresholds since it runs at ~2400 A instead of the 4000 A the recommended flow numbers are for?<br><br>Doing something about 2 would cover up any problems with 1 so maybe it shouldn't be done right away, OTOH it would most likely prevent the fast dumps from happening.<br><br>----- Original Message -----<br>> From: "Amrit Yegneswaran" <yeg@jlab.org><br>> To: "dsg-hallb magnets" <dsg-hallb_magnets@jlab.org><br>> Sent: Thursday, November 15, 2018 9:22:05 AM<br>> Subject: [Dsg-hallb_magnets] lcw 92 flow rates<br><br>> hello,<br>> as i've the day off i'm updating notes/calculating for personal pleasure!<br>> <br>> <br>> 1. does any one know the "true" lcw flow rate through the solenoid MPS?<br>> 2. are these the last numbers posted?<br>> 3. if so, are the flow rate errors negligible, that we don't quote them.<br>> 4. is there a way to calibrate lcw92?<br>> <br>> any volunteers?<br>> ok, thanks brian, for volunteering.<br>> amrit<br>><br></div></div></body></html>