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Temporary warm line for sector test

Thanks to: S. Akhtar P. Bonnal P. Burla I. Collins L. Ducimetière C. Fischer R. Genand J. C. Guillaume C. Hauviller J. M. Jimenez G. Kouba J. Kühnl-Kinel D. Lacarrère M. Meddahi G. Peon B. Pirollet P. Proudlock M. Sassowsky K. Schirm D. Smekens R. Trant R. Valbuena R. Veness

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Temporary warm line for sector test

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  1. Thanks to: S. Akhtar P. Bonnal P. Burla I. Collins L. Ducimetière C. Fischer R. Genand J. C. Guillaume C. Hauviller J. M. Jimenez G. Kouba J. Kühnl-Kinel D. Lacarrère M. Meddahi G. Peon B. Pirollet P. Proudlock M. Sassowsky K. Schirm D. Smekens R. Trant R. Valbuena R. Veness A. Verdier E. Weisse ... Temporary warm line for sector test Volker Mertens, LHC-TCC, 21. 9. 2001 Outline: Situation Assumptions / constraints Status of injection elements (MSI, MKI, TDI/TCDD) Temporary optics Magnets Other components + services Planning Summary

  2. Situation UX85 centre IP8 ~ 215 m to substitute bxbyDx

  3. Assumptions / constraints • Substitute definitive LHC part between MSIs and triplet left of IP8 • Install definitive injection elements (MSI, MKI, TDI/TCDD - as far as available) • Reproduce basic geometry and optics around MSI - MKI - TDI to set up + test injection under real conditions • Match to TI 8 and 8-7 arc optics • Do not require triplet powering • Install definitive vacuum elements and instrumentation (where reasonable + available) • Use elements foreseen for TI 2 (+ SPS spares) to fill the holes (magnets, vacuum, instrumentation, p. converters) • Find (keep) space in UA87 (+ UA83 ?) to locate power converters • Pull short cables (e.g. through holes between UA87 and RA87) • LHCb magnet in place, remainder of UX85 covered by solid platform • Avoid unnecessary costs

  4. Injection septa (MSIA/B) IHEP / Protvino MSIB pre-series magnet at CERN • 2/3 of series produced

  5. MSIA/B status (vacuum chambers + interconnects) side view J. M. Fraigne / EST

  6. Injection kicker (MKI) layout Beam RA87 MKIs UA87 PFNs MKI PFN J. Grieger / EST

  7. MKI prototype magnet magnet inside LEP separator tank mounting of matching capacitors

  8. MKI prototype magnet • prototype assembly + tests  10/01 • series construction  12/02 • series tests  04/03 • finished  10/03

  9. Injection stopper (TDI) design side views absorber beam view • design  ~12/01 • finished  ~06/03 V. Maire / EST

  10. D1 shielding (TCDD) early design • design  ~06/02 • finished  ~09/03 beam view side view V. Maire / EST

  11. Overall substitution scenario (+ VAC + BI details) UX85 centre IP8 ~ 215 m to substitute definitive BI equip’t temporary BI equip’t BPM BTV (OTR) BLM definitive VAC chambers temporary VAC chambers

  12. Insertion optics for sector test V 6.2 bxbyDx D.S. TI 8 > IP8 A. Verdier / SL

  13. Temporary magnets UX85 centre IP8 QTL MQI B280

  14. UA87 cross sections (normal injection elements) MSI MKI

  15. UA87 cross sections (temporary elements) B280 QTL No obvious problems, but this does not replace a detailed integration study  MIWG / ICL

  16. Area around RA87 / UA87 (principle) MKI RA87 PFN UA87 power converters ? details (placement of converters + cabling paths) to be studied  PIWG MSI transformer + switchboard CDD LHCEY___8004 source: J. C. Guillaume / ST

  17. Area around UX85 (principle) only LHCb magnet in place power converters ?

  18. UX85 with LHCb magnet and “half” platform principle shown; details to be checked: e.g. behaviour of platform under emergency breaking with load maquette KR082007PL R. Valbuena + D. Parchet / EST

  19. UX85 with LHCb magnet and “half” platform principle shown, details to be worked out, e.g. vacuum supports, in part. at magnet crossing R. Valbuena + D. Parchet / EST

  20. Connectivity to triplet on left side of IP8 preliminary sector 8-7 > < IP8 detailed hand-over point to be agreed as function of availability of components maquette BP502066PL source: R. Veness / LHC

  21. Some more info on equipment (prelim.) + open points This is the starting point … detailed layouts to be studied ... Vacuum: • Install definitive part for and around MSI - MKI - TDI/TCDD. • Fill up straight sections with TI 2 material (60/63 mm) (check for supports). • Increase pumping to 1 VPIA / ~ 15 m (TI 8: 1 VPIA / ~ 60 m). • Put 1 - 2 400 l pumps before entry of cold section. • Put temporary power supplies + controls in UA87. • Part bridging LHCb magnet only to be put up shortly before the sector test. Power converters / AC supply / cabling: • Baseline assumption: install converters in UA87 (+ UA83 ?) (SR8 pretty full) • Clarify rating + availability of transformer + switchboard (ERD1/87). Cooling: • Baseline assumption: draw from the available pipeline, using flexible hoses. • Clarify availability of IP8 water station (normally ok by that time).

  22. sector 8-7 Overall planning: 2004 2004 2003 LHC side installation of warm line dismantling of warm line TI 8 SPS side

  23. model B: 2 t model A: 22 t Further provisions for sector test: temporary beam dump • have temporary beam dump at end of arc • choose model / dump performance according integrated + instantaneous intensities (to be specified) • mind INB regulations: containment, zoning, intensities logging, ...

  24. Summary Substitute for sector test LHC part between MSIs and triplet left of IP8. Baseline assumptions: • Install definitive injection elements (MSI, MKI, TDI/TCDD with their associated vacuum + instrumentation; certain surrogates are possible). • Reproduce basic geometry and optics around MSI - MKI - TDI to set up + test definitive injection choice of elements. • Holes mainly to be filled up “à la TI 8” (material mainly to be “borrowed” from TI 2) (magnets, vacuum, instrumentation). • Candidates for active components found (magnets, power converters). • Many details need still to be worked out (proper integration study, exact location of power converters, cabling paths, location of controls equipment, pumping scheme, BI + vacuum integration, vacuum across LHCb magnet, …). • Specify performance of temporary beam dump at the end of the arc (INB !). • Planning should not pose particular problems (once TI 8 is (success)fully installed).

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