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Report from WG3 ( Cryomodule ) and objectives of the meeting

Report from WG3 ( Cryomodule ) and objectives of the meeting. V.Parma , CERN TE-MSC. Goals & Motivation. Goal: Design and construct a full-scale cryomodule prototype (Part of the SPL Design Study for a Project Proposal in 2012) Motivation:

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Report from WG3 ( Cryomodule ) and objectives of the meeting

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  1. Report from WG3 (Cryomodule) and objectives of the meeting V.Parma, CERN TE-MSC 3rd SPL collaboration meeting, CERN 11-13 November 2009

  2. Goals & Motivation Goal: • Design and construct a full-scale cryomodule prototype (Part of the SPL Design Study for a Project Proposal in 2012) Motivation: • Demonstrate the construction capability, CM with β=1 cavities and SC quadrupoles; • Validate and improve design and construction features • Learning of the critical assembly phases • Enable RF testing on a multi-cavity assembly in real operating conditions • Validate operation issues cryogenic cooling principles and acquire experience • Support cost estimates 3rd SPL collaboration meeting, CERN 11-13 November 2009

  3. Working group members New entry 3rd SPL collaboration meeting, CERN 11-13 November 2009

  4. Agreed external contributions for cryomodules New New 3rd SPL collaboration meeting, CERN 11-13 November 2009

  5. Work progress • Regular WG meetings since May • Web page: https://twiki.cern.ch/twiki/bin/view/SPL/CryoModules • Topics covered: • Cryomodule longitudinal integration study • SPL mechanical layouts • Cryogenics • Close collaboration with WG2 (cavities): • Workshop on Mechanical issues of SPL cavities/cryomodules: http://indico.cern.ch/conferenceDisplay.py?confId=68968 • Workshop on Cryogenic and vacuum sectorisation of the SPL: http://indico.cern.ch/conferenceDisplay.py?confId=68499 3rd SPL collaboration meeting, CERN 11-13 November 2009

  6. Cryo-modulelongitudinal integration study (β=1) +

  7. Inter-cavity space St.steel flange/bellows 100 Integration of CEA tuner

  8. SPL mechanicallayouts 5 Gev version (HP): 23 x β=1 modules + 2 de-modulator modules extraction regions to Isolde and Eurisol 10 x β=.65 modules length = 121 m  HP-SPL length ~500 m 4 Gev version (LP): 18 x β=1 modules + 2 de-modulator modules extraction regions to Isolde and Eurisol  LP-PL length~ 430 m T. Renaglia

  9. Longitudinal mechanicallayouts «Continuous» vs. « segmented» cryostat SPL layouts Continuous cryostat "Compact" version (gain on interconnections):  5 Gev version (HP):SPL length = 485.14 m (550 m max availablespace) "Warm quadrupole" version (withseparatecryoline):  5 Gev version (HP):SPL length = 535.92 m (550 m max availablespace)

  10. Subjects for this collaboration meeting(in WG3 and common sessions) • Sectorisation layouts: options and impact on cryo-modules • Dimensions, pressures and temperatures of cryogenic circuits • Cryo-module longitudinal layouts • Required interfaces for cryostat design/integration • Mechanical layout and technical specification of the cavity-tuner-He-tank unit • Sensitivity study on the SPL : definition of alignment tolerances, diagnostics and correction systems • SPL coupler options and integration requirements • Warm quadrupolemagnets • Cryo-modules for ERL at BNL 3rd SPL collaboration meeting, CERN 11-13 November 2009

  11. Schedule for SPL prototype Cryomodule ready for testing uncompressible today Requires availability of “plug-compatible” tested cavities/vessels 3rd SPL collaboration meeting, CERN 11-13 November 2009

  12. Objectives • Warm or cold magnets? • Technical spec. and interfaces for cavity helium vessel and tuner • Coupler requirements and assembly constraints • Alignment requirements for cavities and quads • Dimensions , T and P for cryomodule cryogenic lines (depending on cryogenic scheme adopted) • Prepare ingredients for: • The preparation of the technical specification for the prototype cryomodule • And refining the objectives for the prototype cryomodule program 3rd SPL collaboration meeting, CERN 11-13 November 2009

  13. Thank you for your attention! 3rd SPL collaboration meeting, CERN 11-13 November 2009

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