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Summary cavity design & manufacturing

Summary cavity design & manufacturing. Ofelia Capatina (CERN). SPL equipped cavities. Beta = 0.65 RF design done by IPNO Mechanical design done by IPNO Titanium helium tank 1 niobium cavity to be manufactured by IPN Orsay To be tested in the “CRYHOLAB” at CEA Saclay CEA tuner

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Summary cavity design & manufacturing

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  1. Summary cavity design & manufacturing Ofelia Capatina (CERN) SLHiPP-1

  2. SPL equipped cavities • Beta = 0.65 • RF design done by IPNO • Mechanical design done by IPNO • Titanium helium tank • 1 niobium cavity to be manufactured by IPN Orsay • To be tested in the “CRYHOLAB” at CEA Saclay • CEA tuner • CEA main coupler Configuration to be tested in CRYHOLAB SLHiPP-1

  3. SPL equipped cavities • Beta = 1, CEA cavity • RF design done by CEA (will be compared later in this talk to ESS design) • Mechanical design done by CEA • Titanium helium tank • 1 niobium cavity to be manufactured by CEA • To be tested in the “CRYHOLAB” at CEA Saclay • CEA tuner • CEA main coupler Configuration to be tested in CRYHOLAB SLHiPP-1

  4. SPL equipped cavities • Beta = 1, BNL cavity • RF and mechanical design done by BNL • Titanium helium tank • 1 copper cavity has been delivered to BNL and the HOM studies has begun • 1 niobium cavity fabrication has started; Cavity fabrication and perform vertical testing in 2012 • The design of the single-cavity cryomodule has begun with the goal to have the cryomodule complete by summer of 2013 • It will be used for Coherent electron Cooling Proof-of-Principle (CeCPoP) experiment in RHIC starting with Run-14 • Antenna-type HOM couplers are being developed • Computer simulations with CST MWS and Omega3P are in progress; The simulation results will be compared with measurements of the BNL3 copper model SLHiPP-1

  5. SPL equipped cavities • Beta = 1, BNL cavities SLHiPP-1

  6. SPL equipped cavities • Beta = 1, BNL cavities SLHiPP-1

  7. SPL equipped cavities • Beta = 1, BNL cavities SLHiPP-1

  8. SPL equipped cavities • Beta = 1, BNL cavities SLHiPP-1

  9. SPL equipped cavities • Beta = 1, CERN cavities • RF design done by CEA • Mechanical design done by CEA and CERN • Stainless steel helium tank • 2 copper cavity manufacturing ongoing at CERN • 5 niobium cavities to be manufactured by end 2012 • 4 in industry (Research Instruments) • 1 at CERN • To be tested in the short cryo-module at CERN • CEA tuner • CERN main coupler (talk of Eric Montesions tomorrow) Configuration to be tested in cryo-module SLHiPP-1

  10. SPL equipped cavities • Beta = 1, CERN cavities SLHiPP-1

  11. SPL equipped cavities • Beta = 1, CERN cavities • Ok in general; • Microstructure specification hard to achieve; • Small deviation from tube final dimension specification SLHiPP-1

  12. SPL equipped cavities • Beta = 1, CERN cavities SLHiPP-1

  13. SPL equipped cavities • Beta = 1, CERN cavities SLHiPP-1

  14. SPL equipped cavities • Beta = 1, CERN cavities – Manufacturing qualification SLHiPP-1

  15. SPL equipped cavities • Beta = 1, CERN cavities • Ti on Nb welding qualifications SLHiPP-1

  16. SPL equipped cavities • Beta = 1, CERN cavities • SS on Nb brazing qualification (technique extensively and successfully used for LEP cavities) SLHiPP-1

  17. SPL equipped cavities • Beta = 1, CERN cavities • SS on Nb welding R&D SLHiPP-1

  18. SPL equipped cavities • Beta = 1, CERN cavities • Copper on Nb R&D SLHiPP-1

  19. SPL equipped cavities • Beta = 1, CERN cavities • Copper cavities manufacturing ongoing SLHiPP-1

  20. SPL equipped cavities • Beta = 1, CERN cavities • Copper cavities manufacturing ongoing SLHiPP-1

  21. SPL equipped cavities • Beta = 1, CERN cavities • EP station SLHiPP-1

  22. Cavity RF design : SPL vs ESS DESIGN PARAMETERS DESIGN PARAMETERS SPL ESS RF PARAMETERS RF PARAMETERS Ø96mm Ø140mm Ltot=1393mm Ltot=1315mm SLHiPP-1 Ø96mm Ø140mm Juliette Plouin CEA-Saclay

  23. Mechanicals design • Saclay prototype : possible integration in Cryholab Helium tank in Ti Nb/Ti flanges Helium tank in Ti StainlessSteelflange+coppergasket Bellows (Ti) Intermediatepiece in Ti Bellows (Ti) Intermediatepiece in Ti Intermediatepiece in Ti Helium tank in Ti • Helium tank in Titanium(limits the differentialshrinkagewith Nb duringcooling down) • All flanges made of Nb or Nb/Ti • except the FPC flange, in stainlesssteelwithcoppergasket, to be compatible with the HIPPI coupler, and for safetyreasons • intermediatepiece in Ti needed Helium tank in Ti • Helium tank in Titanium(limits the differentialshrinkagewith Nb duringcooling down) • All flanges made of Nb or Nb/Ti The position of the HOM ports could change after the prototypes, in relation with HOM couplersstudies (SPL and ESS) SLHiPP-1 Juliette Plouin CEA-Saclay

  24. Design : SPL vs ESS • Remark: • Any cavity / helium tank design choice has direct impact on cryomodule configuration and design • ESS cavity, helium tank and coupler design baseline different from choices done for CERN cryo-module SLHiPP-1

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