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Status of GASPARD mechanics

This presentation provides an update on the GASPARD mechanics, including the AGATA CHYMENE GASPARD cluster, cooling system design, and mounting principles. It also includes details on the MUGAST configuration and MUST2 electronics.

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Status of GASPARD mechanics

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  1. Status of GASPARD mechanics Presentation from the 220713 +update 300713 +update 140214 + update 150113 + update 150325 (Padova) Unité mixte de recherche CNRS-IN2P3 Université Paris-Sud 1191406 Orsay cedex Tél. : +33 1 69 15 73 40 Fax : +33 1 69 15 64 70 http://ipnweb.in2p3.fr

  2. AGATA+CHYMENE+GASPARD AGATA CHYMENE GASPARD

  3. PARIS+CHYMENE+GASPARD CHYMENE PARIS Cluster 3x3 GASPARD

  4. 2D cut view Chymene+Gaspard

  5. Trapezoidal shape updated

  6. Detailed sector Numerical electronics Cooling plate with 3mm inner tube Support frame Analog electronics 3rd layer 32x16 channels 2nd layer 32x16 channels 1st layer 128x128 channels

  7. First trapezoid designed in detail by Micron (delivery may be in 2015 …) MICRON design based on our requirements PCB showed by MICRON for checking in february 2015 => wait for the bonding

  8. Cooling rings principle 3 cooling circuits (one for each ring) • Orsay electronicsproposalgives a total of 620 W (inside the sphere). • Based on thatthere are 2 foreseenkind of coolingfluids to extract the heatthrough a cooling tube serpentine around the electronicboards. • CO2 with the 2 PACL technology (Nikkhef patent) • Smaller tubes (3 mm diameter) but for expertised user required • Water • For any user but bigger tubes (6 mm tubes) • The water isusedhere to design the system • (most conservative technology) Barrel Forward Backward

  9. Cooling tubes design for the forward ring The electronic boards are fixed on lateral ribs Tube 5x6 mm of stainless steel The tubes is brazed on a copper part screwed on top of the ribs

  10. Cooling tubes design for the forward ring < 5mm distance between the tube and the internal side of the chamber Precise shape required The tube is continuous to avoid leaks

  11. Water flow for the forward ring Tubes diameter = 5 mm Power on the ring = 230 W Circuit length = 0,45 m for each sector Available flow (JULABO FP50HL) = For a flow of 0,8 liter/min: Temperature rise along one sector circuit = 0,5°C Temperature rise along the whole ring circuit = 4,1°C

  12. Temperature gradient in the rib Rib simulation 230 W for the ring splitted in 64 heating areas (2x2,5cm²) 10°C imposed Rib made in aluminium 6060 (209W/m.K) is 2 mm thick 2 W on each face Temperature gradient in the rib = 6°C Example: If the chiller is set at 10°C then the electronics temperature will be between 16°C and 21°C along the cooling circuit

  13. Mounting principle Mounting tool Each sector is mounted one by one on the mounting tool and fixed to its neighbour No space to add a back support for the detectors Auto-stability of the ring

  14. MUGAST configuration

  15. MUGAST with AGATA VAMOS side Beam entrance

  16. MUGAST chamber (Preliminary design) 760 mm in diameter

  17. MUST2 electronicsaround Si detectors MUST2 electronics for TRACE MUST2 electronics for trapezoids

  18. MUST2 electronics on one trapezoid Cabling to check to reduce the bend Cooling block to change the tubes shapes Kapton 10 cm Kapton 20 cm

  19. Gamma detectors @90° AGATA modules PARIS clusters

  20. MUST2 detectors configuration Backward configuration Forward configuration

  21. Special chamber without chymene

  22. Special chamber without chymene

  23. Thank you for your attention

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