Difference between revisions of "February 12, 2024 KLONG CPS Design Meeting"

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(Created page with "== Meeting Time and Place == Monday, February 12, 2024, 1pm Hall D Counting House * Invited - Hovanes Egiyan, Stephanie Worthington, Keith Harding, Pavel Degtiarenko, Tim W...")
 
(Action Items)
 
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== Agenda ==
 
== Agenda ==
  
* Review minutes from last meeting  
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* Review minutes from last meeting https://halldweb.jlab.org/wiki/index.php/January_16,_2024_KLONG_CPS_Design_Meeting
 
* Review new basic 3D model and compare to Pavel's model (Pavel, Keith)
 
* Review new basic 3D model and compare to Pavel's model (Pavel, Keith)
 
+
** 3D model cross section with dimensions [[media:Dimensioned CPS cross section.png]]
** Pavel Presentation [[media:Conceptual Design of CPS Eng.Mtg. 01-16-24.pdf]]
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** Possible cross section [[media:Baseline cross section.jpeg]]
* Magnet update (Josh)
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* De-gaussing of Tagger magnet (all)
* Develop path forward for final design (meetings/schedule etc...) (all)
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** [[media:tagger_magnet_degaussing_4KLF.pdf | Tagger magnet degaussing requirements]] (Hovanes)
 +
* Magnet update (Josh) [[media:CPS Magnet Design.pdf]]
 +
* Discuss path forward (Tim/all)
  
 
== Minutes ==
 
== Minutes ==
 
+
* Reviewed minutes from last meeting
* Discussed background of the project and the goal of getting the design completed in a little over a year
+
* Looked over Keith's 3D model with dimensions
* Pavel presented the current conceptual design based on his analysis
+
** Pavel to take a closer look to ensure they correspond to his conceptual design
** Copper radiator
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** Need to get accurate dimensions for the 20% Cu/80% W pieces
*** Operate remotely
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** Looked at installation in tagger building and discussed space issues
*** 300 micron repeatability
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** Need to bring in magnet and girder into the 3D model
*** 2 thicknesses plus blank
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** Borated Poly layer is not needed below the CPU
*** 2cm diameter?
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** Outer lead layer may not be needed below the CPU - it may still be needed to prevent concrete activation
*** rad hard materials (no encoder)
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** the support stand for the final decommissioning portion (< 10 tons) may be heavy concrete
*** maybe proximity switch/LVDT for positions
+
* Discussed deGauss of tagger magnet, need plan to present to Patrizia by Mar 1
** Need to develop a complete thermal model as design progresses
+
* Josh presented the Magnet spec and design
** Use of a steel core for support
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** Need to verify low power ops (35V) of power supply will be stable enough - Josh to check with Onish
** overall alignment of magnet and radiator to be within a few hundred microns
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** Start modelling the magnet in NX and making drawings
** Ability to move the assembly (with out magnets) completely out of the beam to the north wall
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** Ability to crane or forklift the core out during decommissioning
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** Total weight approximately 90 tonnes
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** Need temperature sensors on copper, lead and steel
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** Need to fine tune the thermal calcs on copper absorber
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** Need water temperature and flow meters
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** US magnet to be designed to 2x current plus 10%
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** Need tungsten block to absorb the electron beam on magnet failure
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** Consult with Hall C folks on their design experience of a CPS
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** Josh fine tuning the magnet design
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*** Moving coils 12cm from beamline
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*** maybe less steel
+
  
 
== Action Items ==
 
== Action Items ==
* Pavel to check into exporting his model in a compatible format for NX ( Open Scad etc...
+
* Verify W-Cu piece dimensions (Keith/Pavel)
* Stephanie to look into importable files from her end
+
* Bring in Magnet and upstream girder into the model and move permanent magnet into position (Stephanie/Keith)
* Tim to provide stp file of copper absorber from ANSYS for Designers (complete)
+
* Progress on the detailed mechanical design of the decommissioning portion of CPS and present to Pavel for re-analysis (Keith/Tim)
* Tim to setup bi-weekly meetings
+
* Develop concept for shielding on the lower half of the CPS for Pavel to look at (Keith/Tim)
* Tim to set up and Engineer/Designer detailed meeting
+
* Start NX 3D magnet design and drawings (Stephanie)
 +
* Get with Onish on Power Supply stability at low power (Josh)
 +
* Get with Joe Meyers on deGauss technique and produce short write up for Patrizia (Tim)
 +
* Determine initial installation plans for CPS components (Josh/Stephanie/Keith/Tim)

Latest revision as of 16:32, 12 February 2024

Meeting Time and Place

Monday, February 12, 2024, 1pm Hall D Counting House

  • Invited - Hovanes Egiyan, Stephanie Worthington, Keith Harding, Pavel Degtiarenko, Tim Whitlatch, Eugene Chudakov, Josh Ballard

Agenda

Minutes

  • Reviewed minutes from last meeting
  • Looked over Keith's 3D model with dimensions
    • Pavel to take a closer look to ensure they correspond to his conceptual design
    • Need to get accurate dimensions for the 20% Cu/80% W pieces
    • Looked at installation in tagger building and discussed space issues
    • Need to bring in magnet and girder into the 3D model
    • Borated Poly layer is not needed below the CPU
    • Outer lead layer may not be needed below the CPU - it may still be needed to prevent concrete activation
    • the support stand for the final decommissioning portion (< 10 tons) may be heavy concrete
  • Discussed deGauss of tagger magnet, need plan to present to Patrizia by Mar 1
  • Josh presented the Magnet spec and design
    • Need to verify low power ops (35V) of power supply will be stable enough - Josh to check with Onish
    • Start modelling the magnet in NX and making drawings

Action Items

  • Verify W-Cu piece dimensions (Keith/Pavel)
  • Bring in Magnet and upstream girder into the model and move permanent magnet into position (Stephanie/Keith)
  • Progress on the detailed mechanical design of the decommissioning portion of CPS and present to Pavel for re-analysis (Keith/Tim)
  • Develop concept for shielding on the lower half of the CPS for Pavel to look at (Keith/Tim)
  • Start NX 3D magnet design and drawings (Stephanie)
  • Get with Onish on Power Supply stability at low power (Josh)
  • Get with Joe Meyers on deGauss technique and produce short write up for Patrizia (Tim)
  • Determine initial installation plans for CPS components (Josh/Stephanie/Keith/Tim)