1 Layout and Installation MICE Collaboration Meeting, RAL, October 27-29, 2004 Elwyn Baynham, Tom...
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Transcript of 1 Layout and Installation MICE Collaboration Meeting, RAL, October 27-29, 2004 Elwyn Baynham, Tom...
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Layout and Installation
MICE Collaboration Meeting, RAL, October 27-29, 2004
Elwyn Baynham, Tom Bradshaw, Paul Drumm,Matthew Hills, Yury Ivanyushenkov, James Rochford and Tony Jones
RAL
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• Layout
• Beam line shielding layout
• Beam line infrastructure
• MICE support structure
Scope
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MICE and beam line shielding
• New round of consultations with ISIS Safety Officer
• Beam line radiation shielding:- Roofed block house;- Labyrinth –type entrance;- 1.5 m of steel + 0.75 m of concrete in the direction of the beam;- Beam stopper.
• MICE radiation shielding:- Shielded doors- Room for possible shielding for ISIS ion source hall;- Room for possible shielding for ISIS control room
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Layout
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Beam line shielding layout
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Solenoid in test position
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PSI solenoid infrastructure
• New nose peace and temporary lead shielding• Cryogenics
- layout- specs
• Site for compressor room • Support structure
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PSI solenoid nose piece
Nose piece to be replaced
New temporary leadcover to be added
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PSI solenoid infrastructure: Layout
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RIKEN decay solenoid compressor room
PSI solenoid compressor room - an example
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Site for compressor room
MICE Hall
ISIS Control Room
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Around MICE hall (2)
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Possible site for PSI solenoid compressor
It seems, the only possible site BUT access for installation is very difficult.
Solution: install compressor on the roof of MICE hall.
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PSI solenoid compressor location
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PSI solenoid support structure and shielding
Concrete ISIS wall
Steelshielding
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MICE support structure: Specification
• Requirements/specification: - to move (all) MICE modules out the beam (to the side direction) for various MICE stages• Accuracy/tolerances: - along the beam +/- 1 mm - across the beam +/- 1 mm• Adjustment: - adjustment possibility is required.• Locking mechanism: - required.• Loads: - max load is 6.65 tonnes.• Force transfer function: - gravity force to the floor; - module-to-module axial force to the floor ?
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MICE support structure: Module weights
Module Weight, kg
AFC module 1700
RF module 4636
Radiation shield 310
Tracker module 6650(including 1200 kg of magnetic shield)
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MICE support structure: Options
Concrete floor
Simple slides arrangement
Rails
Low-friction material blocks
Sliding carriages
Platform
HEPCO SL2 stainless steel based slide system
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Forces on Modules for Flip Mode Cases in Stage 6
Case 1 Case 2 Case 3 Case 4 Case 5
Average p (MeV/c) 200 240 200 170 140
Absorber beta (cm) 42 42 25 15 7
Force on the module (MN):
Central focus pair module 0 0 0 0 0
Coupling coil module 0.1422from centre
0.2143
from centre
0.1140from centre
0.0536from centre
0.0070from centre
Edge focus pair module 0.0693from centre
0.0877from centre
0.0967from centre
0.0846from centre
0.0631from centre
Tracker solenoid module -0.2372towards centre
-0.3343towards centre
-0.3000towards centre
-0.2284towards centre
-0.1308towards centre
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Forces on Modules for Non-Flip Mode Cases in Stage 6
Case 1 Case 2 Case 3 Case 4 Case 5
Average p (MeV/c) 200 240 200 170 140
Absorber beta (cm) 42 42 25 15 7
Force on the module (MN):
Central focus pair module 0 0 0 0 0
Coupling coil module 0.1239towards centre
0.1859towards centre
0.1005towards centre
0.0756towards centre
0.0278towards centre
Edge focus pair module 0.0123towards centre
0.0372towards centre
0.0101from centre
0.0195from centre
0.0814from centre
Tracker solenoid module 0.3588towards centre
0.4861towards centre
0.4321towards centre
0.4526towards centre
0.3998towards centre
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Maximal Forces on Modules in Stage 6
Module Max force,
MN
Case
Central focus pair module 0 All
Coupling coil module 0.2143from centre;
0.1859towards centre
Flip mode, Case 2
Non-Flip mode, Case 2
Edge focus pair module 0.0967from centre;
0.0372towards centre
Flip mode, case 3
Non-Flip mode, Case 2
Tracker solenoid module 0.4861towards centre
Non-Flip mode, Case 2
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Next steps
• Beam line layout:- continue on the beam line shielding (elevation view, roof ?);- beam line infrastructure layout (including cryogenics);- PSI magnet support structure and shielding design.
• MICE layout:- add more components (RF system, hydrogen system);- continue on magnetic shielding design.
• MICE support structure:- finish magnetic forces analysis;- continue on force transfer scheme;- suggest conceptual design for support structure.