prr of sct off-detector cooling system
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CCLRC 1April 05Jason Tarrant
PRR of SCT off-detector cooling system
Cooling System» Design - Off-cylinder & On-cylinder
» Installation – Off-cylinder & On-Cylinder
» Manufacture – On-cylinder only
» Assembly – On-cylinder only
» Post assembly operations – On-cylinder only
» Schedule – On-cylinder only
CCLRC 2April 05Jason Tarrant
PRR of SCT off-detector cooling system
Design» Off-Cylinder» On-Cylinder
CCLRC 3April 05Jason Tarrant
PRR of SCT off-detector cooling system
Design» Off-Cylinder
– HEX / filter– Heater
» On-Cylinder– Inlet– Exhaust– Combined
CCLRC 4April 05Jason Tarrant
PRR of SCT off-detector cooling system
Design» Inlet – with fluid flow
SERTO @ PPF1 5mm OD / 3.4mm ID with filter 3mm OD / 2mm ID through HEX ECcap3 custom connection @ STFT Capillaries LMT cooling circuit (combined) – or –
PPF0 @ Disc
CCLRC 5April 05Jason Tarrant
PRR of SCT off-detector cooling system
Design – Inlet…» SERTO @ PPF1
– 6mm OD – 5mm OD
– SERTO issues 316 Magnetic? (Danielsson / Olcese)
– Swagelock issues Not survive many connection / disconnection May need retightening after time
» 5mm OD / 3.4mm ID with filter– Standard Cu tube 5mm OD 0.8mm wall
Joined over 3mm OD tube exiting the HEX (QMUL design)
– Filter design Screen 0.5mm holes (264) > 5x 3.4mm ID of inlet tube Capillary ID 0.68 or 0.76mm
CCLRC 6April 05Jason Tarrant
PRR of SCT off-detector cooling system
Design – Inlet…» 5mm OD / 3.4mm ID with filter…
CCLRC 7April 05Jason Tarrant
PRR of SCT off-detector cooling system
Design – Inlet…» 3mm OD / 2mm ID through HEX
– CERN stores– Coiled through HEX
8mm ID, 13.5mm OD (touching) 4mm pitch, 84 coils Effective length 2923mm (incl. 10mm each end to start coil)
» ECcap3 custom connection @ STFT– Space, electrical isolation, soldering compatibility
To PPF1
CCLRC 8April 05Jason Tarrant
PRR of SCT off-detector cooling system
Design – Inlet…» Capillaries
– ID 0.68mm or 0.76mm– Length around 2.5m (tuned)– Coiled / convoluted routing on cylinder (TBD)– Joined to LMT Cooling circuit or PPF1
» LMT cooling circuit (combined)– 3.74mm OD 70um wall– Swaged-solder connection
Al spreader foil
Power tapes
Cooling tubes
Schematic 2: cross section of cooling concept for 3 stacks of power tapes
CCLRC 9April 05Jason Tarrant
PRR of SCT off-detector cooling system
Design – Inlet…» PPF0
– Based on Helicoflex– Already tested (I.Wilmut)– Only hole changes from original design
2 Types 1.3 & 1.25 nominal (0.76 & 0.68mm ID)
CCLRC 10April 05Jason Tarrant
PRR of SCT off-detector cooling system
Design» Exhaust – with fluid flow
PPF0 @ Disc or LMT cooling 6.0mm ID / 8.1mm ID tubing ECex1 HEX ECheat1 custom connection Heater PPF1
CCLRC 11April 05Jason Tarrant
PRR of SCT off-detector cooling system
Design – Exhaust…» PPF0 @ Disc or LMT cooling
– PPF0
– LMT Cooling
CCLRC 12April 05Jason Tarrant
PRR of SCT off-detector cooling system
Design – Exhaust…» 6.0mm ID / 8.1mm ID tubing
– 6.0mm ID 0.2mm wall = 30mm bend R
– 8.1mm ID 0.15mm wall = straight lengths only 4x8.4mm (+1.2mm gaps) = 37.2mm
CCLRC 13April 05Jason Tarrant
PRR of SCT off-detector cooling system
Design – Exhaust…» ECex1
– Custom connection
» HEX– 14mm ID 0.2mm wall CuNi– 370mm long body with end caps
STFT
CCLRC 14April 05Jason Tarrant
PRR of SCT off-detector cooling system
Design – Exhaust…» ECheat1 custom connection
– Staggered connections– Insulation issues– Fastening issues– Cu – Stain.s
CCLRC 15April 05Jason Tarrant
PRR of SCT off-detector cooling system
Design – Exhaust…» Heater
» PPF1– SERTO 6mm OD - 6mm OD
13
16.2
CCLRC 16April 05Jason Tarrant
PRR of SCT off-detector cooling system
Design – Off-cylinder» HEX assemblies (no inlet / filter) complete
– Iteration through QMUL practical experience (end-caps – soldering of ECcap3 & ECex1)
» Higher level, 1 ‘sample’ for in-house tests, rest to do» Assembly of all HEX (new) for overall view» Parameter dwg to do?
CCLRC 17April 05Jason Tarrant
PRR of SCT off-detector cooling system
Design – On-cylinder» Exhaust & LMT circuit design, PPF1 – STFT complete
CCLRC 18April 05Jason Tarrant
PRR of SCT off-detector cooling system
Installation – On-cylinder – Assembly Sites (Liv. NIK.)» Combined (Exhaust / Inlet assembly)
– D9-D7 before D9 or before D6 services laid (avoid layering)– Laid using support frame– STFT clip (await connection), PPF0 connected, LMT Kapton taped– Exhaust uses insert mounted clamp, Inlet clipped to exhaust, LMT wrapped
with LMTs
» Exhaust– D6 –D1 with relevant Disc– Laid by hand STFT clip (await connection), PPF0 connected– Exhaust uses Support Cylinder insert mounted clamp
CCLRC 19April 05Jason Tarrant
PRR of SCT off-detector cooling system
Installation – On-cylinder – Assembly Sites (Liv. NIK.)» Inlet
– D6-D1 with relevant Disc– Pre-formed coils– Laid by hand, supported above STFT, Kapton taped– Inlet clipped to exhaust
CCLRC 20April 05Jason Tarrant
PRR of SCT off-detector cooling system
Installation – On-cylinder – Assembly Sites (Liv. NIK.)» Connection for Testing
CCLRC 21April 05Jason Tarrant
PRR of SCT off-detector cooling system
Installation – Off-cylinder» Space required to ‘insert’ connection
– Use R1116 envelope (post EC insertion)
CCLRC 22April 05Jason Tarrant
PRR of SCT off-detector cooling system
Installation – Off-cylinder» Order of connection
– Low Z to high Z– Special spanner
Z+Z-
CCLRC 23April 05Jason Tarrant
PRR of SCT off-detector cooling system
Installation – Off-cylinder» Strain relief at STFT (ECex1)
– Permanent– Adjustable
positions not guaranteed
CCLRC 24April 05Jason Tarrant
PRR of SCT off-detector cooling system
Installation – Off-cylinder» Connection for Testing
– STFT break & make + drying if cold testing Compromise for maximum HEX length
– Extension pieces connected in, STFT sealed once, testing, remove & integrate SCT EC into ATLAS, add interconnect to PPF1, seal & test seal
CCLRC 25April 05Jason Tarrant
PRR of SCT off-detector cooling system
Manufacture – On-cylinder only» Piece Parts all detailed & out for manufacture with NTE (6
weeks from 24/03/05)» Attempting to get them to deliver those for D9 – D7
(including LMT cooling) ASAP
CCLRC 26April 05Jason Tarrant
PRR of SCT off-detector cooling system
Assembly – On-cylinder only» Jig details out for quote» Jig to be used @ RAL for assembly of Interconnects,
including LMT cooling
CCLRC 27April 05Jason Tarrant
PRR of SCT off-detector cooling system
Post assembly operations – On-cylinder only» Clean circuits
– Flushing with Swansolve
» Pressure test– To 25 Bar
» Leak test– 5x10-8 bar l/s (time / pressure test)
» Check blockage– Simple flow test for circuits with capillaries (based on flow through Disc
capillary for D9 – D7)
» Bar code according to the ATLAS parts ID– With traveller document
CCLRC 28April 05Jason Tarrant
PRR of SCT off-detector cooling system
Schedule – On-cylinder only» Interconnects
– SB - Models / drawings for D9 - D7 including LMT cooling - 09/03/05– JT - Check drawings - 10/03/05– SB - Quote pack to go to NTE - 11/03/05– NTE - Quote back - 16/03/05– SB / OM raise order & release through OM - 17/03/05 (actual 24/03/05)– NTE Manufacture - 6 Weeks(incl. Easter) - 28/04/05– RAL Tech manufacture D9 (all 8 /2 types) incl.LMT cooling - 1 Week -
5/05/05– RAL Tech manufacture D8 (all 8 /2 types) incl.LMT cooling - 1 Week -
12/05/05– RAL Tech manufacture D7 (all 8 /2 types) incl.LMT cooling - 1 Week -
19/05/05
CCLRC 29April 05Jason Tarrant
PRR of SCT off-detector cooling system
Schedule» Jig
– JT-Model Jig - 08/03/05– Contractor detail jig - 2 Weeks - 22/03/05– JT - Check drawings (incl. any changes) - 24/03/05– JT -Quote pack to OM - 29/03/05 – Expected 01/04/05 (companies
turning down!)– JT / OM raise order & release through OM - 29/03/05– Manufacture 4 weeks - 26/04/05
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