June 04, 2024 KLONG CPS Design Meeting

Meeting Time and Place

Tuesday, June 04, 2024, 1:00pm Hall D Counting House

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

Agenda

• Review minutes from last meeting https://halldweb.jlab.org/wiki/index.php/May_07,_2024_KLONG_CPS_Design_Meeting
• Review new basic 3D model
  • Core Section update
  • New radiation levels? Pavel
  • Layout of magnet and components (Stephanie/Keith)
  • Vendor coming next week to demo system
    • possible moving plan https://www.aerogo.com/products/air-caster-rigging-system/
    • Concerms with dust/contamination - Tim to work with ES&H
• Baseline KLF schedule
  • KLONG Installation Schedule 2026 with no MRI Magnet
  • KLONG Installation Schedule 2025 with MRI Magnet
• Power supply status - On order, due March 2025
• Magnet update (Josh/Stephanie)
  • Radiation levels at coils 2.E+4 Gy for a 10000 hour run
  • Plan on using copper dump skid to cool magnet - is it adequate LCW?
• Copper cooling update -
  • Status of brazing sample test media:CPS Absorber cooling test sample.pdf
• Lead brick painting is awarded and due back in September
• DeGauss test summer 2024
• June - items due from ERR
  • Thermal cycling of tungsten and copper write up - in work - ready in 2 weeks (Tim)

Minutes

• Reviewed minutes from last meeting
  • Pavel has run the radiation and energy absorption (Fluka) for the latest absorber and shielding configuration
    • Radiation levels at magnet coils are 2e4 gray for 10000 hrs running.
      • No need for expensive epoxy ($5K per gallon)
      • CTD-101K resin can be used - good for 1e6 gray minumum