Meeting 2 October 2020

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DISCUSSION TOPICS

  • Simulations
  • Shielding and magnet model
  • Hall A/C model and design/implementation
  • Hall D design and radiation simulations
  • Other


PARTICIPANTS: Amy Comer, Donal Day, Hamlet Mkrtchyan, Rolf Ent, Steven Lassiter, Vardan Tadevosyan, Tanja Horn, Bogdan Wojtsekhowski, Josh Crafts, Marie Boer,


SHIELDING MODELING (Josh)

  • Magnet Shielding
  • Thin shield on top - small thickness not an issue (~1% hole not an issue), overall not an issue as it's material, but not radiation issue for personnel - no one on top of CPS in operations
  • Total weight of lead system
  • ~3300 lead bricks (40 tons) - seems ~50% more than before, length is 2.7m compared to 2.1m originally
  • ~2500 W bricks (4x4x2 inches3) - seems 20% more than before
  • CPS Coil Cooling/Power Feeds
  • Actions
  • Check number of lead bricks and dimensions, same for W bricks
  • Radiation hard coil model analysis


POWER DEPOSITION (Gabriel)

  • Extracted power depositions from FLUKA - for now in arbitrary units (unspecified multiple of kW/cm3) and as function of horizontal coordinate y; radiator is at z~10cm
  • Observe peak at z~24cm
  • Action: Next need to parameterize or extract heat deposition for each cell for input to thermal calculations


THERMAL CALCULATIONS (Amy)

  • Model development complete
  • Action: determine the best input format from simulation (functional form in x, y, z or array?)


LEAD BRICKS (Bogdan)

  • Shipment preparations ongoing - expect ~40tons before end of the year


OVERALL ACTIONS

  • Start discussion about format and date for next collaboration meeting


NEXT MEETING: FRIDAY 30 OCTOBER AT 8AM (ET)