mechanical status for the barrel of panda · panda barrel em calorimeter – turin –...
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![Page 1: Mechanical Status for the Barrel of Panda · Panda Barrel EM Calorimeter – Turin – clegalli@ipno.in2p3.fr – June 2009 Introduction B a r r e l 2 Vertical slices type 2 2 Vertical](https://reader034.vdocuments.site/reader034/viewer/2022052612/5f0c59b27e708231d434f776/html5/thumbnails/1.jpg)
Panda Barrel EM Calorimeter – Turin – [email protected] – June 2009
Barrel
Mechanical Status for the Barrel of Panda
![Page 2: Mechanical Status for the Barrel of Panda · Panda Barrel EM Calorimeter – Turin – clegalli@ipno.in2p3.fr – June 2009 Introduction B a r r e l 2 Vertical slices type 2 2 Vertical](https://reader034.vdocuments.site/reader034/viewer/2022052612/5f0c59b27e708231d434f776/html5/thumbnails/2.jpg)
Panda Barrel EM Calorimeter – Turin – [email protected] – June 2009
Barrel
o Introduction
o General Slice
o Vertical Slice type 1
o Cooling system for Panda
o 480 Crystals’ Prototype
o Conclusion
![Page 3: Mechanical Status for the Barrel of Panda · Panda Barrel EM Calorimeter – Turin – clegalli@ipno.in2p3.fr – June 2009 Introduction B a r r e l 2 Vertical slices type 2 2 Vertical](https://reader034.vdocuments.site/reader034/viewer/2022052612/5f0c59b27e708231d434f776/html5/thumbnails/3.jpg)
Panda Barrel EM Calorimeter – Turin – [email protected] – June 2009
IntroductionBarr
el
Barrel assembly
Offset of 20 mmThe position of the Dirc support must be adjusted
Ring
Dirc Support Wheel
DircCoil Cryostat
Dirc
Ring
Dirc Support wheel
Barrel
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Panda Barrel EM Calorimeter – Turin – [email protected] – June 2009
IntroductionBarr
el
2 Vertical slices type 12 Vertical slices type 2
12 General slices
Barrel assembly
The Barrel is composed of 16 slices :
-12 same slices named “General Slices”
- 4 slices adapted to hole for the Target :
• 2 vertical slices named “Vertical slices type 1”• 2 vertical slices named “Vertical slices type 2”
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Panda Barrel EM Calorimeter – Turin – [email protected] – June 2009
General SliceBarr
el
Forward side View
Backward side View
Exploded View
Support BeamTo define
Side coverTo finish
Side coverTo finishBackward
aluminium plateTo finish
Forward aluminium plate
To finish
A slice = closed area cooled at -25°C
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Panda Barrel EM Calorimeter – Turin – [email protected] – June 2009
General SliceBarr
el
Exploded View
Completed View without covers
Feet fixationDesigned
Upper cooling systemTo finish
Back PlatesTo define
CrystalsDesigned
Lower cooling systemTo finish
Electronic circuitWaiting for electronic group
AlveolesDesigned for Crystal type 6
InsertsDesigned for Crystal type 6
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Panda Barrel EM Calorimeter – Turin – [email protected] – June 2009
General SliceBarr
el
InsertDesigned by Andrei
Levin
Intermediateinsert
Designed by Andrei Levin Finger
Waiting for Asic
Detail view of Crystals fixation
Detail view of the InsertsInserts of the Slice type 6
AsicWaiting for electronic group
tests
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Panda Barrel EM Calorimeter – Turin – [email protected] – June 2009
General SliceBarr
el
35,7 mm
12 mm22 mm
50,3 mm
Front View of one Slice
Feet fixationDesigned
Upper cooling systemTo finish
Support BeamTo define
Electronic circuitWaiting for
electronic group
Crystals + AlveolesDesigned for Crystal
type 6
Intermediate InsertsDesigned for the Slice type 6
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General SliceBarr
el
Upper Cooling SystemTo finish
Electronic CircuitWaiting for electronic group
Connectors and Kaptoncables (length ~ 100mm)
Waiting for electronic group
Detail View of the Electronic Circuit
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Panda Barrel EM Calorimeter – Turin – [email protected] – June 2009
General SliceBarr
el
Forward side View
Backward side View
Copper Tube and plate To finish
Inlet and Outlet (Plastic Pipes - PU) + 2 brass manifolds
To finish
Upper and Lower cooling system
Turnarounds (plastic pipes – PU)To finish
Vacuum plateTo finish
Liquid coolant
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Panda Barrel EM Calorimeter – Turin – [email protected] – June 2009
Vertical Slice type 1Barr
el
Vertical slice type 1Vertical slice type 2
Vertical slice type 1 Vertical slice type 2
Vertical slice type 1
Detail view of the Barrel assembly
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Panda Barrel EM Calorimeter – Turin – [email protected] – June 2009
Vertical Slice type 1Barr
el
Completed View
Exploded View
Support BeamTo define
Side coverTo finish
Forwardaluminium plate
To finish
Target keep in volume
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Panda Barrel EM Calorimeter – Turin – [email protected] – June 2009
Vertical Slice type 1Barr
el
Completed View without the Covers
Upper cooling systemTo finish Target keep in volume
=φ150 mm (+ 40 mm on
the radius for insulation)
Exploded View
28 Crystals removed on the Vertical Slice Type 1
Back PlatesTo define
CrystalsDesignedLower cooling system
To finish
AlveolesDone only for Crystal type 6
Feet fixationDesigned
Electronic circuitWaiting for electronic
group
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Cooling system for PANDA
Panda Barrel EM Calorimeter – Turin – [email protected] – June 2009
Barrel
Cooling system for Panda
![Page 17: Mechanical Status for the Barrel of Panda · Panda Barrel EM Calorimeter – Turin – clegalli@ipno.in2p3.fr – June 2009 Introduction B a r r e l 2 Vertical slices type 2 2 Vertical](https://reader034.vdocuments.site/reader034/viewer/2022052612/5f0c59b27e708231d434f776/html5/thumbnails/17.jpg)
Cooling system for PANDA
Panda Barrel EM Calorimeter – Turin – [email protected] – June 2009
Barrel
Keep in volume for the Cryostat
Cooling machine for the Barrel
Cooling Pipes with their insulation for the Barrel
Magnet’s support
![Page 18: Mechanical Status for the Barrel of Panda · Panda Barrel EM Calorimeter – Turin – clegalli@ipno.in2p3.fr – June 2009 Introduction B a r r e l 2 Vertical slices type 2 2 Vertical](https://reader034.vdocuments.site/reader034/viewer/2022052612/5f0c59b27e708231d434f776/html5/thumbnails/18.jpg)
Cooling system for PANDA
Panda Barrel EM Calorimeter – Turin – [email protected] – June 2009
Barrel
Technical Data
• P = 10kW for -30 °C (60% Barrel + 40% Back and Forward Endcap)• Heat carrier = Water / Methanol 60%• Operating temperature = -30°C to +40°C• Control deviation = +/- 0.1 K• Flow Rate ~ 100 l/min against 2 bar• Overall dimensions = 1x1.5x1.9 m3
• Weight (empty) ~ 1500kg• Power consumption ~ 50kW• Price ~ 80 – 90 k€
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Cooling system for PANDA
Panda Barrel EM Calorimeter – Turin – [email protected] – June 2009
Barrel
Cooling distribution divided in 4 systems (2
inlets + 2 outlets)To finish
Inlets and Outlets for each slicewithout insulation !!
To finish
Fixation of the big pipes :Not done
Liquid coolant
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Panda Barrel EM Calorimeter – Turin – [email protected] – June 2009
480 Crystals’ prototypeBarr
elCompleted View of 240 Crystals Prototype
Exploded View of 240 Crystals Prototype
Completed View of 480 Crystals Prototype with its support
Completed View of 240 Crystals Prototype with its support
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Panda Barrel EM Calorimeter – Turin – [email protected] – June 2009
480 Crystals’ prototypeBarr
el
Gluing of 240 carbonalveoles
Gluing of 240 Stainless Steel Crystals
Gluing of temperature sensors
Mounting process of 240 Crystals Prototype
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Panda Barrel EM Calorimeter – Turin – [email protected] – June 2009
480 Crystals’ prototypeBarr
el
240 crystals assembly with the side cooling system
240 crystals assembly with the lower cooling system (vacuum system)
Mounting process of 240 Crystals Prototype
![Page 24: Mechanical Status for the Barrel of Panda · Panda Barrel EM Calorimeter – Turin – clegalli@ipno.in2p3.fr – June 2009 Introduction B a r r e l 2 Vertical slices type 2 2 Vertical](https://reader034.vdocuments.site/reader034/viewer/2022052612/5f0c59b27e708231d434f776/html5/thumbnails/24.jpg)
Panda Barrel EM Calorimeter – Turin – [email protected] – June 2009
480 Crystals’ prototypeBarr
el
Upper Cooling SystemSide Cooling System
Manifold for the vacuum systemLower Cooling System (Vacuum system)
Mounting process of 240 Crystals Prototype
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Panda Barrel EM Calorimeter – Turin – [email protected] – June 2009
480 Crystals’ prototypeBarr
el
Feet Fixation Drawing
Resistance test with 4 fixation feet
Feet Fixation Picture
Mounting process of 240 Crystals Prototype
ΔZ ~ 0.43 mm
ΔZ
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Panda Barrel EM Calorimeter – Turin – [email protected] – June 2009
480 Crystals’ prototypeBarr
el
Completed View of 240 Crystals Prototype with its support
240 crystals assembly completedOrientation = 0°
240 crystals assembly completedOrientation = 90°
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Panda Barrel EM Calorimeter – Turin – [email protected] – June 2009
Barrel
Conclusion :For the Barrel :
• The design of the Back Plates and the Support Beam must be done for all the slices (depend on the design of the Inserts)
Cooling system for the slices :
• The design of Upper Cooling System must be adapted on the final design of the Back Plate, the Support Beam and the passage of the cables
• Insulation of the little pipes must be done
• The Vertical slice type 2 must be designed
• 480 Crystals’ prototype must be finished
Cooling system for the Barrel :
• Fixations of the pipes must be designed
• Calculation of the pressure leakage must be finished
• The study of the cooling machine for the Barrel must be finished