SLHC WP 7 Barrel UPDATE on LAYOUT OF

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SLHC - WP 7 Barrel UPDATE on LAYOUT OF SERVICES AT THE BARREL ENDS

SLHC - WP 7 Barrel UPDATE on LAYOUT OF SERVICES AT THE BARREL ENDS OPTO PCBS: Sketches describe options after discussion with Tony Weidberg (6. 6. 2007) Preference for OPTO PCBs to be outside barrel confines for reasons of accessibility – easier to change and modify boards during testing and easier to cool locally, possibly making use of ‘fins’. There may have to be four boards per module row – easier to fit these in outside. Each PCB will have one jacketed fibre connecting to it. This will mean 12 -way ribbons are split with each fibre having a measured length to reach the module row (can be from different ‘barrels’) TJF 22/06/07

cooling capillary 1 readout/ttc optofibre connected to top of each Opto PCB 4 Opto

cooling capillary 1 readout/ttc optofibre connected to top of each Opto PCB 4 Opto PCB layout option BARREL END view from outside end exhaust cooling pipe fins exhaust connector cool input connector 4 readout PCBs connections power and sensor cable connectors exhaust Opto PCBs supported on structural ‘end plate’ SECTION through ‘stave’ suggestion only – not baseline input connector cable barrel flange region cooling input Bus housed in local support with strip links to connectors on hybrid module exhaust flat cable rail guides integral with cylinder flat bus cable housing & LOCAL support TJF 22/05/07

module connector electrical data/ttc module clip row end plate with feedthroughs 4 Opto PCB

module connector electrical data/ttc module clip row end plate with feedthroughs 4 Opto PCB layout option OPTO PCB BARREL END side view cool input sensor BUS barrel flange Z=1000 cool out seal barrel end structure nb Z ENVELOPE UNDER DISCUSSION ! Z=1100 power sensor and power cables or cable-tapes Z=1050 MODULE cooling input R 490 single sleeved optofibre connects to top of PCB 100 mm barrel flange R 380 TJF 22/05/07

6 exhaust pipes go to each ‘old’ cooling channel exhaust manifold 6 n input

6 exhaust pipes go to each ‘old’ cooling channel exhaust manifold 6 n input pipes go to each cooling channel on cryostat 7 will need to have manifolds 6 7 7 5 4 3 45. 0 22. 50 0 11. 25 TJF 31/05/07 0 1) Evap. cooling routing off barrel end. = input = exhaust will need Pressure Relief Valves

2) Power cable routing: distribution in PHI depends on space available in cryostat these

2) Power cable routing: distribution in PHI depends on space available in cryostat these belong to same quadrant 22. 50 0 11. 25 TJF 22/06/07 0 cooling input connector power cable x 2 ie 54 p Quad

3) Optofibre routing: one fibre from each PCB joins one 12 way ribbon: 9

3) Optofibre routing: one fibre from each PCB joins one 12 way ribbon: 9 ribbons per quadrant 11 rows 9 rows each single fibre connects onto a PCB (no splice) 7 rows ribbon channels = FOUR adjacent Opto PCBs 22. 50 0 11. 25 TJF 22/06/07 0 fibres could be routed in channels

7 7 6 exhaust pipes to ‘old’ cooling channel in cryostat exhaust manifold rows

7 7 6 exhaust pipes to ‘old’ cooling channel in cryostat exhaust manifold rows per Quadrant: 11 6 9 input pipes in ‘TRT’ channels (need manifolds) 5 7 4 7 6 5 4 3 45. 0 22. 5 11. 25 Evap. cooling routing off barrel end. input exhaust 3 exhaust manifold TJF 28/06/07

rows per Quadrant: 11 exhaust cooling only 9 power and sensor cables go in

rows per Quadrant: 11 exhaust cooling only 9 power and sensor cables go in old TRT channels 7 45. 0 22. 5 11. 25 power and sensor cables in dedicated channels TJF 28/06/07