<html><body><div style="font-family: times new roman,new york,times,serif; font-size: 12pt; color: #000000"><div data-marker="__QUOTED_TEXT__"><div style="font-family: times new roman,new york,times,serif; font-size: 12pt; color: #000000" data-mce-style="font-family: times new roman,new york,times,serif; font-size: 12pt; color: #000000;"><div>Hello,<br></div><br><div>From the attached plot and table, it looks like during the time with no N2 flow, humidity increased by 0.28% RH (~ 30% overall increase from before flow loss). </div><div><br data-mce-bogus="1"></div><div>After flow had been restored for one hour, the humidity had decreased by 0.18% RH (~ 16% overall decrease from when flow was restored).<br></div><div><br data-mce-bogus="1"></div><div>Best regards,<br data-mce-bogus="1"></div><div>Tyler<br data-mce-bogus="1"></div><br><hr id="zwchr"><div><b>From: </b>"Amrit Yegneswaran" <yeg@jlab.org><br><b>To: </b>"Mirazita Marco" <Marco.Mirazita@lnf.infn.it><br><b>Cc: </b>"dsg-rich" <dsg-rich@jlab.org>, "Robert Miller" <rmiller@jlab.org>, "Denny Insley" <dinsley@jlab.org><br><b>Sent: </b>Tuesday, September 18, 2018 11:02:43 AM<br><b>Subject: </b>Re: [Dsg-rich] URGENT: RICH alarm<br></div><br><div><div style="font-family: tahoma,new york,times,serif; font-size: 14pt; color: #009900" data-mce-style="font-family: tahoma,new york,times,serif; font-size: 14pt; color: #009900;"><div>denny, bob <br></div><div>in future, for scheduled work please let the RICH group know before hand.<br></div><div>amrit<br></div><br><hr id="zwchr"><div><b>From: </b>"Marco Mirazita" <Marco.Mirazita@lnf.infn.it><br><b>To: </b>"Robert Miller" <rmiller@jlab.org><br><b>Cc: </b>"dsg-rich" <dsg-rich@jlab.org>, "Denny Insley" <dinsley@jlab.org><br><b>Sent: </b>Tuesday, September 18, 2018 10:56:28 AM<br><b>Subject: </b>Re: [Dsg-rich] URGENT: RICH alarm<br></div><br><div>Hi all,<br>it is back now.<br>Marco<br><br><br>Il 2018-09-18 16:54 Robert Miller ha scritto:<br>> Hi Tyler,<br>> <br>> The N2 was stopped to add a valve; it will be back within the next 10<br>> minutes.<br>> <br>> Bob<br>> <br>> Sent from my iPhone<br>> <br>> On Sep 18, 2018, at 10:51 AM, Tyler Lemon <tlemon@jlab.org> wrote:<br>> <br>>> Hello Bob and Denny,<br>>> <br>>> Is there any work being done on the forward carriage nitrogen supply<br>>> line?<br>>> <br>>> RICH lost N2 flow and the aerogel needs to stay constantly purged by<br>>> N2 to stay dry.<br>>> <br>>> Tyler<br>>> <br>>> -------------------------<br>>> <br>>> FROM: "Mirazita Marco" <Marco.Mirazita@lnf.infn.it><br>>> TO: rich@jlab.org, "dsg-rich" <dsg-rich@jlab.org><br>>> SENT: Tuesday, September 18, 2018 10:39:21 AM<br>>> SUBJECT: [Dsg-rich] URGENT: RICH alarm<br>>> <br>>> Hi all,<br>>> it seems that few minutes ago the N2 flow dropped to 0.<br>>> Can someone please check what is going on?<br>>> Thank you<br>>> Marco<br>>> <br>>> _______________________________________________<br>>> Dsg-rich mailing list<br>>> Dsg-rich@jlab.org<br>>> https://mailman.jlab.org/mailman/listinfo/dsg-rich [1]<br>> <br>>> <n2flow.png><br>> <br>> <br>> Links:<br>> ------<br>> [1] https://mailman.jlab.org/mailman/listinfo/dsg-rich<br>> <br>> _______________________________________________<br>> Dsg-rich mailing list<br>> Dsg-rich@jlab.org<br>> https://mailman.jlab.org/mailman/listinfo/dsg-rich<br>_______________________________________________<br>Dsg-rich mailing list<br>Dsg-rich@jlab.org<br>https://mailman.jlab.org/mailman/listinfo/dsg-rich<br></div></div><br>_______________________________________________<br>Dsg-rich mailing list<br>Dsg-rich@jlab.org<br>https://mailman.jlab.org/mailman/listinfo/dsg-rich</div></div><br></div></div></body></html>