Difference between revisions of "February 17, 2022 KLONG Phase II Design Meeting"

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== Meeting Time and Place ==
 
== Meeting Time and Place ==
−
Thursday January 20, 2022, 1pm
+
Thursday February 17, 2022, 1pm
−
Zoom  https://jlab-org.zoomgov.com/j/1607996337?pwd=b1lEWVhDU0VjSG1DaEhPd0tVK0VjZz09&from=addon#success
+
  
−
* Present -  Hovanes Egiyan, Stephanie Worthington, Keith Harding, Igor Strakovsky,  Tim Whitlatch, Vitaly Baturin,
+
Zoom  https://jlab-org.zoomgov.com/j/1611857466?pwd=VEZndTZzdDdNOUdJU3NxblRLcVoxdz09&from=addon
 +
 
 +
* Invited -  Hovanes Egiyan, Stephanie Worthington, Keith Harding, Igor Strakovsky,  Tim Whitlatch, Vitaly Baturin,
 
Mikhail Bashkanov, Anthony Palazzo, Eugene Chudakov, Mark Stevens
 
Mikhail Bashkanov, Anthony Palazzo, Eugene Chudakov, Mark Stevens
  
 
== Agenda ==
 
== Agenda ==
 +
Phase II is the section downstream of the collimator cave shield wall through the liquid target
 
* Minutes from last meeting https://halldweb.jlab.org/wiki/index.php/January_20_2022_KLONG_Phase_II_Design_Meeting
 
* Minutes from last meeting https://halldweb.jlab.org/wiki/index.php/January_20_2022_KLONG_Phase_II_Design_Meeting
−
* Requirements for beamline downstream of collimator cave [[media:Igor's_layout.pdf]]
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* Platform load rating is 17000 lbs (7.7 tonnes)- will be good to hold MRI
−
* Mikhail Flux Monitor Presentation [[media:Fluxmonitor_2022.pdf]]
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* 3D model layout progress
 +
* FLUKA model updates
  
 
== Requirements and things to finalize ==
 
== Requirements and things to finalize ==
−
** 6 cm beam tube through Pair Spec magnet to cryo target
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** 6 cm beam tube through Pair Spec magnet to cryo target (1.5 - 2mm wall thickness ok)
 
** Remove PS vacuum chamber and put in 6cm beampipe
 
** Remove PS vacuum chamber and put in 6cm beampipe
−
 
+
** Use existing Cryo target cart
−
== Minutes ==
+
−
* Briefly discussed minutes from December meeting
+
−
* Reviewed Igor's geometry layout
+
−
* Determined 6cm ID tube from collimator wall to target - wall thickness will be 1.5 to 2 mm, ok
+
−
* Determined Flux monitor downstream edge is 4m from PS magnet center
+
−
* Need to talk to Chris Keith about new 6cm cryo target - make sure there is room to pull it out
+
−
* Mikhail present latest Flux monitor design
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−
** Need to remove PS shield wall
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** Look at fitting an MRI magnet on platform (5.5 tonnes)
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−
** Need to determine height to center of magnet
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−
** Will it fit on existing platform and is it strong enough?
+
−
** Need to determine power requirements
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** 90 l/min LCW needed
 
** 90 l/min LCW needed
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** Mikhail to send data sheet for magnet
+
** Flux monitor downstream edge is 4m from PS magnet center
−
* Existing solenoid will be powered for the experiment
+
** Requirements for beamline downstream of collimator cave [[media:Igor's_layout.pdf]]
−
* link to KLF wiki https://wiki.jlab.org/klproject/index.php/Main_Page
+
** Mikhail Flux Monitor Presentation [[media:Fluxmonitor_2022.pdf]]
−
* Vitaly added the following after the meeting
+
** link to KLF wiki https://wiki.jlab.org/klproject/index.php/Main_Page
−
**1. I've imported the Source Model  (FLUKA) that I received from Hovanes.
+
** Link to Hall A/C CPS talk - https://userweb.jlab.org/~gabriel/gn_cps_jlab_02_18_2022.pdf
−
**2. For the moment it runs only without a magnetic field.
+
−
**3. FLUKA complaints that it can not open the file "cps_mag00.txt"
+
−
**4. This file is missing in *.zip file !
+
  
−
Hovanes, could you please get this file from the author of this model?
+
== Minutes ==
 +
* Briefly discussed minutes from January meeting
 +
* Vitaly asked about beam pipe inside PS magnet - will be 6.35 cm OD x 6.03cm ID 316 stainless steel
 +
* Discussion about magnet effects of beam tube - 3166 SS has a permeability of around 1.2 so should have no significant forces.
 +
* Need to look at magnetic affects of adjacent PS magnet
 +
* We will be using the same target cart as the existing Gluex hydrogen target
 +
* Discussion of possible shielding DS to protect CDC, FDC and electronics
 +
* Flux monitor detectors are just upstream and downstream of MRI
 +
* Keith showed best guess at MRI dimensions
 +
** Center of MRI is 15cm above beamline. Beamline is 30 cm above lower edge of MRI bore.
 +
** Platform rated for over 7 tonnes
 +
** Keith found additional documentation on field map and power/cooling requirements
 +
* Vitaly has FLUKA working with magnetic fields and will look at CPS copper energy absorption
 +
* Tim still needs to run heat numbers from Vitaly for the berylium and tungsten to verify cooling system
  
 
== Action Items ==
 
== Action Items ==
−
* Talk to Chris Keith about new cryo target - Tim
+
* Keith to continue getting more geometry info on MRI for the model
−
* Layout geometry based on today's discussion
+
* Tim to look at tungsten heat removal
 
* Set up future meetings
 
* Set up future meetings

Latest revision as of 11:04, 18 February 2022

Meeting Time and Place

Thursday February 17, 2022, 1pm

Zoom https://jlab-org.zoomgov.com/j/1611857466?pwd=VEZndTZzdDdNOUdJU3NxblRLcVoxdz09&from=addon

  • Invited - Hovanes Egiyan, Stephanie Worthington, Keith Harding, Igor Strakovsky, Tim Whitlatch, Vitaly Baturin,

Mikhail Bashkanov, Anthony Palazzo, Eugene Chudakov, Mark Stevens

Agenda

Phase II is the section downstream of the collimator cave shield wall through the liquid target

Requirements and things to finalize

Minutes

  • Briefly discussed minutes from January meeting
  • Vitaly asked about beam pipe inside PS magnet - will be 6.35 cm OD x 6.03cm ID 316 stainless steel
  • Discussion about magnet effects of beam tube - 3166 SS has a permeability of around 1.2 so should have no significant forces.
  • Need to look at magnetic affects of adjacent PS magnet
  • We will be using the same target cart as the existing Gluex hydrogen target
  • Discussion of possible shielding DS to protect CDC, FDC and electronics
  • Flux monitor detectors are just upstream and downstream of MRI
  • Keith showed best guess at MRI dimensions
    • Center of MRI is 15cm above beamline. Beamline is 30 cm above lower edge of MRI bore.
    • Platform rated for over 7 tonnes
    • Keith found additional documentation on field map and power/cooling requirements
  • Vitaly has FLUKA working with magnetic fields and will look at CPS copper energy absorption
  • Tim still needs to run heat numbers from Vitaly for the berylium and tungsten to verify cooling system

Action Items

  • Keith to continue getting more geometry info on MRI for the model
  • Tim to look at tungsten heat removal
  • Set up future meetings
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