[Dsg-rich] RICH Compressor

Wed Jul 25 10:11:35 EDT 2018

Hi Tyler, 
Very very good! 
Thanks a lot, 
Valery 

> From: "Tyler Lemon" <tlemon at jlab.org>
> To: "Valery Kubarovsky" <vpk at jlab.org>
> Cc: "dsg-rich" <dsg-rich at jlab.org>, "Bob Miller" <rmiller at jlab.org>, "Denny
> Insley" <dinsley at jlab.org>, "Contalbrigo Marco" <mcontalb at fe.infn.it>, "Marco
> Mirazita" <marco.mirazita at lnf.infn.it>
> Sent: Wednesday, July 25, 2018 10:03:51 AM
> Subject: Re: RICH Compressor

> Hello Valery,

> Amanda, Pablo, and I powered on the compressor this morning.

> All hardware interlocks are cleared and you should be able to start the testing.

> Best regards,
> Tyler

> From: "Valery Kubarovsky" <vpk at jlab.org>
> To: "Tyler Lemon" <tlemon at jlab.org>
> Cc: "dsg-rich" <dsg-rich at jlab.org>, "Bob Miller" <rmiller at jlab.org>, "Denny
> Insley" <dinsley at jlab.org>, "Marco Contalbrigo" <mcontalb at fe.infn.it>,
> "Mirazita Marco" <marco.mirazita at lnf.infn.it>
> Sent: Wednesday, July 25, 2018 8:41:09 AM
> Subject: RICH Compressor

> Tyler,

> Could you please switch ON the RICH compressor.
> I will start to test the detector today.

> Thank you,
> Valery

>> From: "Tyler Lemon" <tlemon at jlab.org>
>> To: "dsg-rich" <dsg-rich at jlab.org>, "Bob Miller" <rmiller at jlab.org>, "Denny
>> Insley" <dinsley at jlab.org>, "David Kashy" <kashy at jlab.org>
>> Sent: Thursday, July 19, 2018 7:50:56 AM
>> Subject: Re: [Dsg-rich] RICH N2 panel flow test

>> Hello Bob,
>> Thank you for the information.

>> Hello Marco Contalbrigo,
>> What needs to be done to verify RICH HV is properly connected?
>> Would we just need to make sure the labels on cabling and the patch panel match?
>> Should we also make sure that the expected electronics boards are powered when
>> each individual HV channel is enabled?
>> Please let us know.

>> Best regards,
>> Tyler

>> From: "Robert Miller" <rmiller at jlab.org>
>> To: "Tyler Lemon" <tlemon at jlab.org>
>> Cc: "dsg-rich" <dsg-rich at jlab.org>, "Denny Insley" <dinsley at jlab.org>, "David
>> Kashy" <kashy at jlab.org>
>> Sent: Wednesday, July 18, 2018 5:07:51 PM
>> Subject: Re: [Dsg-rich] RICH N2 panel flow test

>> Hi Tyler,

>> We will install this early next week.

>> We disconnected some RICH cables to install the LTCCs, so we would like someone
>> to check the RICH early next also to verify the proper cable connections. I
>> will let you know when the RICH cables are connected.

>> Regards,
>> Bob

>> ----- Original Message -----
>> From: "Tyler Lemon" <tlemon at jlab.org>
>> To: "dsg-rich" <dsg-rich at jlab.org>
>> Cc: "Denny Insley" <dinsley at jlab.org>, "David Kashy" <kashy at jlab.org>, "Bob
>> Miller" <rmiller at jlab.org>
>> Sent: Wednesday, July 18, 2018 3:53:34 PM
>> Subject: Re: [Dsg-rich] RICH N2 panel flow test

>> Hello,

>> As George mentioned in his email below from Monday, he completed the full-scale
>> flow test for the upgraded RICH nitrogen panel. In the Hall B Gas Shed, he was
>> able to achieve ~60 slm flow on both channels for a total of ~120 slm for the
>> entire panel. By George's experience, he anticipates that the flow we will be
>> able to get in Hall B on the forward carriage will be ~ 40 slm per channel (~80
>> slm total) because of the back pressure caused by the supply line between the
>> dewar and hall.

>> At this point, the panel is ready to be installed on the Forward Carriage. After
>> it is moved into place, the old panel can be removed and the upgraded panel
>> connected in its place in a few minutes to prevent any long stoppage of
>> nitrogen flow. After the panel is installed, DSG will run a cable for the new
>> pressure transducer on the panel and also make the required changes to the
>> LabVIEW hardware interlock system.

>> In addition to the upgraded panel, DSG has ready an easidew hygrometer to
>> measure the water concentration of RICH's nitrogen volume. This sensor will be
>> place on one of RICH's nitrogen exhaust lines. For its installation, DSG will
>> run a cable from the hygrometer to the N2 Vol cRIO for monitoring.

>> Best regards,
>> Tyler

>> From: "George Jacobs" <jacobsg at jlab.org>
>> To: "Denny Insley" <dinsley at jlab.org>, "Tyler Lemon" <tlemon at jlab.org>
>> Cc: "Dave Kashy" <kashy at jlab.org>, "Robert Miller" <rmiller at jlab.org>,
>> "dsg-rich" <dsg-rich at jlab.org>
>> Sent: Monday, July 16, 2018 10:20:39 AM
>> Subject: Re: [Dsg-rich] RICH N2 panel flow test

>> Hi All,

>> The new RICH N2 purge supply panel was connected to the 96B gas shed N2 supply
>> to verify proper gas flow. N2 gas supply pressure is 35 psi.

>> Using both 0-60 slm capacity flow meters at the same time, flows > 60 slm per
>> channel were achieved with the pressure regulator output as low as 5 psi.

>> Thanks,
>> George

>> On 7/13/2018 1:01 PM, Denny Insley wrote:

>> Good afternoon

>> The panel is now in the gas shed. Contact
>> Todd Ewing when your ready to start hooking it up.

>> Thanks
>> Denny

>> Sent from my iPhone

>> On Jul 13, 2018, at 12:01 PM, Tyler Lemon < tlemon at jlab.org > wrote:

>> BQ_BEGIN

>> Hi Dave,

>> Thank you for checking the panel.

>> Once the panel is moved, DSG will set up the test, following your instruction to
>> pipe the flow outside.

>> Best regards,
>> Tyler

>> From: "Dave Kashy" < kashy at jlab.org >
>> To: "Robert Miller" < rmiller at jlab.org >, "Denny Insley" < dinsley at jlab.org >
>> Cc: "Tyler Lemon" < tlemon at jlab.org >, "dsg-rich" < dsg-rich at jlab.org >, "George
>> Jacobs" < jacobsg at jlab.org >
>> Sent: Friday, July 13, 2018 8:26:49 AM
>> Subject: Re: [Dsg-rich] RICH gas system updates

>> Hi Bob and Denny,
>> George borrowed our gauge and tightened the fittings on the gas panel. This
>> morning I checked them all and found 1 that I tigtened 1/4 turn more. They are
>> all now properly set and verified proper compression using the Swagelock gage.
>> Please transport the panel out to the gas shed. I think it should be put it
>> inside. The DSG folks will then make some temporary connections to do the flow
>> tests on it. They should pipe the exhaust out of the shed or have the overhead
>> door full open while testing and remove all temporary tubing before closing the
>> overhead door.

>> Dave

>> ----- Original Message -----
>> From: "George Jacobs" < jacobsg at jlab.org >
>> To: "kashy" < kashy at jlab.org >, "Tyler Lemon" < tlemon at jlab.org >
>> Cc: "dsg-rich" < dsg-rich at jlab.org >, "Robert Miller" < rmiller at jlab.org >
>> Sent: Wednesday, July 11, 2018 5:14:19 PM
>> Subject: Re: [Dsg-rich] RICH gas system updates

>> Hi Dave,

>> I will pick up the gauge in the morning.

>> Please find attached diagram of proposed N2 valve panel flow test configuration.
>> This uses one of the N2 utility connections in 96B as the gas supply.

>> Thanks,
>> George

>> On 7/11/2018 4:00 PM, Dave Kashy wrote:

>> Tyler,
>> In order to save time I have a fitting gage on my desk.
>> You or someone else can come over to borrow it. Please return it upon finishing
>> the work.

>> Thanks
>> Dave

>> ----- Original Message -----
>> From: "Tyler Lemon" < tlemon at jlab.org > To: "dsg-rich" < dsg-rich at jlab.org > ,
>> "kashy" < kashy at jlab.org > , "Robert Miller" < rmiller at jlab.org > Sent:
>> Wednesday, July 11, 2018 3:57:37 PM
>> Subject: RICH gas system updates

>> Hello,

>> In regards to the upgraded RICH N2 panel and the email this morning, George has
>> ordered a Swagelok gauge for ensuring the fittings are properly tightened. Once
>> he receives the gauge, we will check the panel and tighten the necessary
>> connections. After the panel is checked, the panel will be moved over to the
>> Hall B Gas Shed for the full-scale flow test. DSG will need assistance from
>> Hall B Engineering to move the panel as we do not have the transportation
>> equipment necessary. Before the full-scale flow test, George will generate a
>> diagram showing the panel connected to the nitrogen supply line.

>> DSG also has on hand a Easidew moisture transducer and fittings that will allow
>> the transducer to be connected to RICH's nitrogen exhaust line. This moisture
>> transducer is on RICH and is not part of the RICH pressure transducer. It is
>> separate from the nitrogen panel upgrade. Installation of the moisture
>> transducer would not take long. The plan is to get all parts ready, remove the
>> existing gas line, and quickly install the moisture transducer to limit the
>> chances moisture enters RICH. This sensor will be read by RICH's N2 cRIO and
>> will only be monitored; no interlocks will be on the sensor.

>> If there are any questions on the nitrogen panel upgrade or the Easidew moisture
>> transducer, please let us know.

>> Best regards,
>> Tyler
>> _______________________________________________
>> Dsg-rich mailing list Dsg-rich at jlab.org
>> https://mailman.jlab.org/mailman/listinfo/dsg-rich

>> --
>> George Jacobs
>> Jefferson Lab (TJNAF)
>> STE 12
>> 12000 Jefferson Ave.
>> Newport News, VA 23606

>> (office) 757-269-7115

>> (cell) 757-876-0480

>> (email) jacobsg at jlab.org (website) https://userweb.jlab.org/~jacobsg

>> BQ_END

>> --
>> George Jacobs
>> Jefferson Lab (TJNAF)
>> STE 12
>> 12000 Jefferson Ave.
>> Newport News, VA 23606

>> (office) 757-269-7115

>> (cell) 757-876-0480

>> (email) jacobsg at jlab.org (website) https://userweb.jlab.org/~jacobsg

>> _______________________________________________
>> Dsg-rich mailing list
>> Dsg-rich at jlab.org
>> https://mailman.jlab.org/mailman/listinfo/dsg-rich
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