EMC BW Endcap

David Rodríguez PiñeiroDavid Rodríguez PiñeiroGSI DarmstadtGSI Darmstadt

PANDA Collaboration MeetingPANDA Collaboration MeetingTurinTurin

15. 06. 200915. 06. 2009

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Backward Endcap EMCBackward Endcap EMC

1.– Extension of BW Endcap in Z Direction

2.– Support Structure

3.– Tracking Supplies

4. – ToF Supplies

5. – MVD Supplies

6. – Summary

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Backward Endcap EMCBackward Endcap EMC

Extension of BW Endcap in Z Direction 1. – Extension of BW Endcap in Z Direction

2.– Support Structure

3.– Tracking Supplies

4. – ToF Supplies

5. – MVD Supplies

6. – Summary

It extends further backwards as compared to official drawings

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Backward Endcap EMCBackward Endcap EMC

Support Structure (I)

DIN 1025-IPB360-1.0112

1. – Extension of BW Endcap in Z Direction

2.– Support Structure

3.– Tracking Supplies

4. – ToF Supplies

5. – MVD Supplies

6. – Summary

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Backward Endcap EMCBackward Endcap EMC

Support Structure (II) 1. – Extension of BW Endcap in Z Direction

2.– Support Structure

3.– Tracking Supplies

4. – ToF Supplies

5. – MVD Supplies

6. – Summary

- Rails for placing

- Order installation/ desensitization

- Cylindrical space upstream

- Interaction with beam pipe

Rail

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Backward Endcap EMCBackward Endcap EMC

Support Structure (III) 1. – Extension of BW Endcap in Z Direction

2.– Support Structure

3.– Tracking Supplies

4. – ToF Supplies

5. – MVD Supplies

6. – Summary

Too Tight

Placing the pump further

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Backward Endcap EMCBackward Endcap EMC

Support Structure (IV.a)

Max Stress: 26,14 MPa

Steel: Safety factor = 10

1. – Extension of BW Endcap in Z Direction

2.– Support Structure

3.– Tracking Supplies

4. – ToF Supplies

5. – MVD Supplies

6. – Summary

Ansys Stress Analysis

1 Ton

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Backward Endcap EMCBackward Endcap EMC

Support Structure (IV.b) 1. – Extension of BW Endcap in Z Direction

2.– Support Structure

3.– Tracking Supplies

4. – ToF Supplies

5. – MVD Supplies

6. – Summary

Vertical displacement 0,8 mm

Ansys Deformation Analysis

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Backward Endcap EMCBackward Endcap EMC

Tracking Supplies (I) 1. – Extension of BW Endcap in Z Direction

2.– Support Structure

3.– Tracking Supplies

4. – ToF Supplies

5. – MVD Supplies

6. – Summary

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Backward Endcap EMCBackward Endcap EMC

Tracking Supplies (II)

Available area = = 4x1350 = =

5400 mm2

1. – Extension of BW Endcap in Z Direction

2.– Support Structure

3.– Tracking Supplies

4. – ToF Supplies

5. – MVD Supplies

6. – Summary

Held by 4 rollers in the common rail

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Backward Endcap EMCBackward Endcap EMC

Tracking Supplies (III.a)

3 mm Polyethylene

Max Stress: 4,29 MPa

Polyethylene: Safety factor > 5

1. – Extension of BW Endcap in Z Direction

2.– Support Structure

3.– Tracking Supplies

4. – ToF Supplies

5. – MVD Supplies

6. – Summary

Ansys Stress Analysis

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Backward Endcap EMCBackward Endcap EMC

Tracking Supplies (III.b)

Max deformation < 1 mm

1. – Extension of BW Endcap in Z Direction

2.– Support Structure

3.– Tracking Supplies

4. – ToF Supplies

5. – MVD Supplies

6. – Summary

Ansys Deformation Analysis

3 mm Polyethylene

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Backward Endcap EMCBackward Endcap EMC

Tracking Supplies (IV.a) 1. – Extension of BW Endcap in Z Direction

2.– Support Structure

3.– Tracking Supplies

4. – ToF Supplies

5. – MVD Supplies

6. – Summary

Ansys Stress Analysis

Max Stress: 66,04 MPa

Aluminium: Safety factor > 4

1 mm Aluminium

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Backward Endcap EMCBackward Endcap EMC

Tracking Supplies (IV.b)

Max deformation < 0,5 mm

1. – Extension of BW Endcap in Z Direction

2.– Support Structure

3.– Tracking Supplies

4. – ToF Supplies

5. – MVD Supplies

6. – Summary

Ansys Stress Analysis

1 mm Aluminium

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Backward Endcap EMCBackward Endcap EMC

ToF Supplies (I) 1. – Extension of BW Endcap in Z Direction

2.– Support Structure

3.– Tracking Supplies

4. – ToF Supplies

5. – MVD Supplies

6. – Summary

Gross Area > 16000 mm2

Space Reserved for ToF Supplies

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Backward Endcap EMCBackward Endcap EMC

ToF Supplies (II) 1. – Extension of BW Endcap in Z Direction

2.– Support Structure

3.– Tracking Supplies

4. – ToF Supplies

5. – MVD Supplies

6. – Summary

Integrate ToF supplies Support into DIRC and Tracking Support

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Backward Endcap EMCBackward Endcap EMC

ToF & Tracking Supplies 1. – Extension of BW Endcap in Z Direction

2.– Support Structure

3.– Tracking Supplies

4. – ToF Supplies

5. – MVD Supplies

6. – Summary

Posibility to switch the spaces for Tracking and ToF, depending on the needed area.

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Backward Endcap EMCBackward Endcap EMC

MVD Supplies (I) 1. – Extension of BW Endcap in Z Direction

2.– Support Structure

3.– Tracking Supplies

4. – ToF Supplies

5. – MVD Supplies

6. – Summary

New proposal: Rectangular Shape

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Backward Endcap EMCBackward Endcap EMC

MVD Supplies (II) 1. – Extension of BW Endcap in Z Direction

2.– Support Structure

3.– Tracking Supplies

4. – ToF Supplies

5. – MVD Supplies

6. – Summary

- Better use of the space

- Easier and safer insulation system

- 24 crystals gain!

- MVD Demand: 44000mm2

With this proposal:

Free Area around Beam Pipe for MVD Supplies ~ 50000 mm2

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Backward Endcap EMCBackward Endcap EMC

Summary 1. – Extension of BW Endcap in Z Direction

2.– Support Structure

3.– Tracking Supplies

4. – ToF Supplies

5. – MVD Supplies

6. – Summary

Extension of BW in Z Direction: at least 1000 mm

Supporting Structure: Advanced

Space for Tracking Supplies: Feasible

Space for ToF Supplies: To Be Determined

Space for MVD Supplies: Rectangular Solution

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Backward Endcap EMCBackward Endcap EMC

Thank you!

Personal Contact:

d.rodriguezpineiro@gsi.deTel: +49 (0) 615971/1634

www-panda.gsi.de