Claudio Moretti, M.D. Division of Cardiology, University of Turin, Turin, Italy
David Rodríguez Piñeiro GSI Darmstadt PANDA Collaboration Meeting Turin 15. 06. 2009
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Transcript of David Rodríguez Piñeiro GSI Darmstadt PANDA Collaboration Meeting Turin 15. 06. 2009
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!
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