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Progress On TRD Gas System

Progress On TRD Gas System. AMS TIM at CERN TRD Splinter Meeting July 27, 2005 Martina Green. Box S. Manifolds. Box C. Xe 1550 psia. TRD 300 Liters. Mixing Vessel D 200 psia. CO 2 940 psia. 17.6 -20.4 psia. Schematic of the AMS-TRD gas system. All pressures are at 25 C.

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Progress On TRD Gas System

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  1. Progress On TRD Gas System AMS TIM at CERN TRD Splinter Meeting July 27, 2005 Martina Green Martina Green

  2. Box S Manifolds Box C Xe 1550 psia TRD 300 Liters Mixing Vessel D 200 psia CO2 940 psia 17.6 -20.4 psia Schematic of the AMS-TRD gas system. All pressures are at 25 C. Martina Green

  3. Box S Sub-assemblies Martina Green

  4. Box S Pressure Relief Valve Martina Green

  5. Status of Flight Module • CO2 and Xe vessels and bosses (Ardé):ready • Burst disks (BS & B Safety Systems):in hand @ MIT • Relief valves for Box S (Marotta):in hand @ MIT • Flight qualified cables (Glenair):In hand @ MIT • Brackets for Fill/Vent/Tower valves:CERN  MIT • Three Sub-assy.pre-assemb.MIT  Ardé (05/2005) Martina Green

  6. 2-Valve GP50 2-Valve GP50 Preassembled Flight Sub-assemblies Martina Green

  7. 2-Valve Filter Preassembled Flight Sub-assemblies Martina Green

  8. 4-Valve Preassembled Flight Sub-assemblies 4-Valve Martina Green

  9. Box S Box S Sub-assemblies Martina Green

  10. August December Arde Production Schedule Martina Green

  11. Box S Mounting Platform Shipping Unit Box S - Mounting Platform • Completed  Arde (07/2005) Martina Green

  12. Open Issues with Flight Module • Vessels heaters • Foil or stick: waiting for Arde’s feedback • Installation: Arde or MIT • Thermostats: to be finalized & ordered • TRD heaters: Power? (UB’s details) • Xe/CO2 vessesl: Fill Location & Procedure • Arde Contract: Subcontract? Martina Green

  13. Box S EM - Previous Status • Passed vibration test at ENSA(12/2003) • Reduced 1st Buffer Vol. (10/2004) CO2:15  5 c.c.Xe: 30  15 c.c. • Box S + Box C MIT:cabling/manual tests (11/04) • D-Vessel: added a ss tube w/1-mm holes(11/2004) Martina Green

  14. S.S. Tube: with 1 mm holes Mixing Vessel Modification Martina Green

  15. Progress of Box S – EM at MIT • Portable clean room:perform manual tests • Ardé visited MIT:(02/2005) • Visits ofINFN-Rome & A. Lebedev @ MIT(03/2005) • updated w/ flight module USCM (Lebedev) • new gas mixing software (Rome & Lebedev) • tested & evaluated software • CO2 & Xe transfers tests: validate buffer volume Martina Green

  16. CO2 Fill in Vessel D Martina Green

  17. Xe Fill in Vessel D Martina Green

  18. CO2 – Xe Transfer from Vessel D to Box C Martina Green

  19. CO2 Xe EM 10-day Xe/CO2 life cycleStudy • Xe/CO2  1% Flight mass – completed Xe (13.4 mole/L):27.5 L, 48.5 kg300 mL, 500 g CO2 (9.9 mole/L):13.3 L, 5.8 kg150 mL, 65 g Martina Green

  20. High Pressure CO2 Fill Setup Martina Green

  21. High Pressure Xe Fill Setup Martina Green

  22. 10-Day Life Cycle Study Result Martina Green

  23. Current TRD Progress • EM of Box S + C Rome(electronic integ. 07/2005) • Xe & CO2 vessel fill procedure:MIT/Linde • Box C (Flight): being fabricated (G. Rybka) • Rest of Box S componentsArde ~08/05) Martina Green

  24. Phase II Safety Data • Pressure System Table:No open issues • Other safety requests fulfilled: • Fill/Drain of S, C & M - locations & procedures • Vessel fill port seal cap - design/drawing • CO2 freezing issue – detailed writeup to follow • Radiation Hazard Report request • New monitor tube design & location • Fe55 loading Martina Green

  25. Monitor Tube Location Martina Green

  26. Monitor Tube – New Design Martina Green

  27. Quantity of Fe55 Loading Martina Green

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