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Helium D istribution in SM18 RF H orizontal Test Bunker M9

Helium D istribution in SM18 RF H orizontal Test Bunker M9. T. Koettig, BE-RF-SRF 1 st Aug 2013. Content. Layout of the SM18 RF test area New cryogenic infrastructure => commissioning is ongoing M9 clients and requirements Proposal for the new Interconnection Valve B ox .

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Helium D istribution in SM18 RF H orizontal Test Bunker M9

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  1. Helium Distribution in SM18 RF Horizontal Test Bunker M9 T. Koettig, BE-RF-SRF 1stAug 2013

  2. Content • Layout of the SM18 RF test area • New cryogenic infrastructure => commissioning is ongoing • M9 clients and requirements • Proposal for the new Interconnection Valve Box

  3. Cryo Infra Upgrade of SM18 RF TF RF TEST FACILITY AREA V3 V4 V5 V6 He Guards TRANSFER LINE GALLERY M7 M9 LP/RECUP return The 6 kW Linde cold box Capacity: 25 g/s (720 l/h) of LHe 6 kW Linde Cryoplant 25 m3 Dewar 1.6 bara sat. LHe to WPU2

  4. Cryo Infra Upgrade: 3D-layout M7 2 K M9 2 K - 4.5 K V3 2 K V4 2 K V5 4.5 K V6 4.5 K

  5. SM18 RF TF : General PID for 2013 M9 - Service module • Warm pumping unit capacity: • 6 g/s @ 10 mbar • 12 g/s @ 20 mbar • 18 g/s @ 30 mbar Very low pressure heater: 32 kW (20 g/s)

  6. Requirements of customers in M9 • LHC temporary connection with semi rigid bayonets: • LHe supply and GHe return, 4.5 K operation, 80 % reused later. • Hie-Isolde CM • special procedures for cool down and warm up, • 4.5 K operation + shield cooling at 50 K. • Two Venturi flow meters • CRAB cavity CM operation at T< 2 K, shield maybe at 80 K? • Helium guard, Pressure relief devices: SV at 1.8 bara, RD at 2.2 bara • Functional specs for He distribution in M9 can be found in EDMS: • https://edms.cern.ch/document/1279849/1

  7. PID M9 helium distribution

  8. M9 detail: new Interconnection Valve Box

  9. Test schedule in SM18 RF : horizontal bunkers • Projects: • 1 test @ 4.5K of LHC cryo module . Provisional schedule : 2013 • 2 tests @ 4.5 K of HIE-Isolde cryomodule. Provisional schedule : 2014 • 1 test @ 1.8 K of SPL half cryomodule. Provisional schedule : 2014 • x tests @ 2K of crab cavity CM. Provisional schedule : 2nd half of 2015

  10. Thank you very much for your attention

  11. Venturi Flow meter: Cavity circuit at 4.5 K vapor Shield circuit at 75 K gas

  12. Venturi Flow meter Cavity circuit at 4.5 K vapor Shield circuit at 75 K gas

  13. SM18 RF TF : bunkers PID for 2013 QLKRF_M7 @ 1.8 K QLKRF_M9 @ 1.8 K – 4.5 K

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