Micro Vertex Detector of PANDA Status of Strip BARREL and DISC MVD Mechanics GSI 9.12.2013

ZEA 1 V. Fracassi, D. Grunwald, E. Rosenthal, R. Schmitz, Content Technical Design Status of MVD Strip Barrel and Disc Disc Support Design status Barrel Design State status Integration R & D Works and Technical Development Strip Barrel and Disc Heat Transfer (Calculation / Tests) Cooling Calculation and Tests (Flow Rate, Pressure Drop) Production Status Outlook GSI 9.12.2013 ZEA 1 V. Fracassi, D. Grunwald, E. Rosenthal, R. Schmitz,

Design Strip Barrel and Disc ~315 ~176 ~450 ~267 ~278 ~259 Design State: Dez. 2013 157 141 ~142 ~?? Changes after Bochum meeting (9.9.2013) Disc Concept Chip adaptation mechanical structure Width of 50 mm has been extended to ….. mm Barrel Chip adaptation Flexible Tube diameter enlarged from 4 mm to 6 mm Developing of fixing means Request: Disc and Globel Frame has to been extendet No conflict with other areas GSI 9.12.2013 ZEA 1 V. Fracassi, D. Grunwald, E. Rosenthal, R. Schmitz,

ZEA 1 V. Fracassi, D. Grunwald, E. Rosenthal, R. Schmitz, Current Drawing MVD Design State: Okt. 2013 Draft 265 new Disc > 70 mm Frame Do/Di =282/274 mm Disc Do/Di =265/144 mm Barrel Do/Di = 259/259 mm GSI 9.12.2013 ZEA 1 V. Fracassi, D. Grunwald, E. Rosenthal, R. Schmitz,

Status of Technical Design Disc Support Design (current work) Disc Concept Mechanical Structure Chip support Sensor and PCB Integration Cable Integration Cooling MVD Integration GSI 9.12.2013

Current Draft MVD Strip Disc Design Status: Dec. 2013 Draft Mechanical Structure (without electronics) Frame Do/Di =282/274 mm Disc Do/Di =265/144 mm width > 70 mm Gap between Disc and Frame 4,5 mm 2*24 Trapezoidal Sensors 2 separate Discs divided into 4 segments Actually the Structure design concept will be revised in collaboration with the Institute of Plastic Processing from the RWTH Aachen min 70 mm min 35 mm GSI 9.12.2013 ZEA 1 V. Fracassi, D. Grunwald, E. Rosenthal, R. Schmitz,

Current Draft MVD Disc Module Specification Trapezoidal Silicon Sensors Chip Support: HTC Foam Chip design: 2*6Chips 4,2 *5-6mm ~1,8W/cm² Sensor Frame: CRFP Cooling Tube 1 MCC 12*12 mm (dimension are not fixed) Disc structure: CRFP Challenges Bonding procedure Disc Structure Attachment to the Disc structure Cooling connections Electronic connections ( Power, Cable number & dimensions) GSI 9.12.2013 ZEA 1 V. Fracassi, D. Grunwald, E. Rosenthal, R. Schmitz,

Assembly MVD Strip Disc Study with 6 sensors (4,2*5-6 mm) on each side and 1 MCC ~ 12*12 mm (dimension are not fixed) Specification Disc structure: CRFP Disc Module Chip design: 4,2 *5-6 ~1,8W/cm² Disc structure: CFK and HTC Poco Foam Sensor Frame: CRFP Cooling Tube 1 MCC 12*12 mm (dimension are not fixed) Ro/Ri= 133/67 mm L=> 35 mm GSI 9.12.2013 ZEA 1 V. Fracassi, D. Grunwald, E. Rosenthal, R. Schmitz,

Status of technical design Strip Barrel 3 & 4 (current work) Cable and PCB and Cooling Integration (new stave concept) removable mounting of Barrel Strips Integration GSI 9.12.2013

Current Draft MVD Strip Barrel No significant changes since the last presentation in Bochum New Stave concept Guiding of the PCB foil around the stave from top to bottom by applied bending Rounding of the edge stiffener Introduction of a cable duct (~2,5*5mm for 30 couples of cables (from 0,1-0,4 mm) Groove (~2,5*2,5mm) Slot Slot too little and 0.3mm cable is not stiff enough to push through Space Ok GSI 9.12.2013 ZEA 1 V. Fracassi, D. Grunwald, E. Rosenthal, R. Schmitz,

Barrel Strips removable mounting Unresolved Points Example solution saddle ball and barrel bold More solution were carried out in collaboration with the Institute of Plastic Processing from the RWTH Aachen The solution are yet not been rated GSI 9.12.2013 ZEA 1 V. Fracassi, D. Grunwald, E. Rosenthal, R. Schmitz,

Barrel Strip: Support for Detector Module Beam Strip N4 Actuell Stave design CFRP (2* pre-peg 90° /0° mm, ~0,2 mm ) Foam (Rohacell unpressed =2 mm) POCO HTC ~ 2,8 x ~ 10 mm (scheduled) Tube Do=2 mm Di=1.8 Material: MP35m (1.4571) Chip design: 4,2 *5-6 ~1,8W/cm² MCC~12*12 mm 30 couples of cables (from 0,1-0,4 mm) Unresolved Points Electronic connections (number, dimensions) Bonding procedure, Attachment to structure Material Properties, Layer Thickness PCB (Thin Flex), Glue, GSI 9.12.2013 ZEA 1 V. Fracassi, D. Grunwald, E. Rosenthal, R. Schmitz,

Assembly MVD Strip Barrel and Disc GSI 9.12.2013 ZEA 1 V. Fracassi, D. Grunwald, E. Rosenthal, R. Schmitz,

ZEA 1 V. Fracassi, D. Grunwald, E. Rosenthal, R. Schmitz, Strip Cooling Lay out Strip Cooling Lay-out Water cycle Barrel ¼ Disc Counter flow exchanger In Out Barrel 3 10 Barrel 4 13 Disc 5 & 6 8 Total 31 Cooling Manifolds Barrel & Disc 62 feedthroughs Torino 29.10.2013 ZEA 1 V. Fracassi, D. Grunwald, E. Rosenthal, R. Schmitz,

ZEA 1 V. Fracassi, D. Grunwald, E. Rosenthal, R. Schmitz, Experimental setup Pressure range: -0,9 bar … 0 bar 0 bar … 1 bar Volume flow: 15 ml/min … 1000 ml/min Cooling Temperature: 5 °C … 80 °C Thermal investigations Hydraulic investigations Leakage tests ZEA 1 V. Fracassi, D. Grunwald, E. Rosenthal, R. Schmitz, Turin 29.-30. Oct. 2013

FEM Investigation FEM studies continued to carried out Some examples of FEM studies ZEA 1 V. Fracassi, D. Grunwald, E. Rosenthal, R. Schmitz , IKP A. Cebulla GSI 9.12.2013

ZEA 1 V. Fracassi, D. Grunwald, E. Rosenthal, R. Schmitz, R & D and Technical Development Strip Disc: optimize components complete with piping and cabling Sensor, Chip, Cable and Cooling Integration Extension the width of the Disc >15 mm, from 50 mm to >70 mm Strip Barrel: Optimization of mechanical support for the integration of the cables and cooling Heat Transfer (Calculation / Tests) FE Calculation Cooling Calculation and Tests (Flow Rate, Pressure Drop) Components and Material selection (Pipes, Fittings, Glue, Foam) Electronic Service lines, additional Lines for electronics, connection and cooling, Chip performance, Electronic connections (number, dimensions), Cable: Cable (dimensions) GSI 9.12.2013 ZEA 1 V. Fracassi, D. Grunwald, E. Rosenthal, R. Schmitz,

ZEA 1 V. Fracassi, D. Grunwald, E. Rosenthal, R. Schmitz, Production Status Prototype Barrel Structure Cylinder (half shells) Test Staves fabrication processing tests quality control cooling behavior Heat transfer 3 D Models (Rapid Prototyping) Barrel and Support, Disc Support Section GSI 9.12.2013 ZEA 1 V. Fracassi, D. Grunwald, E. Rosenthal, R. Schmitz,

ZEA 1 V. Fracassi, D. Grunwald, E. Rosenthal, R. Schmitz, Outlook MVD CAD Design optimization , Barrel and Disc (Service lines, additional Lines for electronics and cooling systems, support) Technical Developments optimize components complete with piping and cabling Materials selection Heat Transfer (Calculation / Tests) Cooling part (Pressure Drop, Flow Rate. Calculation / Tests) Hardware Components selection (Pipes, Fittings, Glue, Foam) GSI 9.12.2013 ZEA 1 V. Fracassi, D. Grunwald, E. Rosenthal, R. Schmitz,

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