ILC
description
Transcript of ILC
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ILC
J.Osborne / A.Kosmicki / B.List – March 22th 2012
CFS update for Europe
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• Several machine lattice files received from DESY EDMS (Benno List) February 2012
• CERN draughtsman (Antoine Kosmicki) has spent 2 weeks putting these files together in order to generate a 3d model for the 500GeV machine
• Using this 3d model and Autocad files from FNAL for Kycluster scheme, an attempt has been made to size the underground enclosures, optimised for the CERN geology.
• Once ‘approved’ this new civil engineering layout will be costed by AMBERG Engineering (same company costed RDR for Europe, CLIC and also works on XFEL)
• Interaction Region Studies by ARUP for CERN site are now finished. Final report today.
TDR progress for Klycluster Scheme on the CERN Site
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ILC Project
Only e- side fully modeled (Positron Source).Impossible to model the entire machine in CATIA, which is ‘limited’ to 15km.Local co-ordinate systems needs to be created to have the entire machine into one model.
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Damping ring
Main cavern
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Experimental caverns
1
23
17
16
Damping ring
Jonction cavern
∅ 5.20 x 68m
∅ 6.00 x 82m
∅ 6.00 x 270m PLTR
∅ 7.00 x 173m
∅ 14.00 x 22m
Service tunnel 4.5m ∅
Positron Source / ElectronBDS side (negative Z direction)
Interaction point (I.P.)Where X,Y,Z = 0
5∅ 7.00 x 965m 4∅ 12.00 x 60m
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PLTR Transfer tunnel between main tunnel& damping ring
Damping ring Jonction cavern
Service tunnel 4.5m ∅
Jonction cavern
ERTML dump
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e- Tune-Up Dump
Service tunnel 4.5m ∅
e+ 5GeV Boosters
e- RTML
e- BDS
Beam direction =
6∅ 10.00 x 75m7∅ 8.00 x 130m
5∅ 7.00 x 965m
Water Tank
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Positron Capture Chicane
Service tunnel 4.5m ∅
Traveling Wave Accelerator
IP
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e- Fast Abort DumpService tunnel 4.5m ∅
15∅ 5.20 x 1388m 14∅ 6.00 x 120m 13∅ 6.00 x 200m
E- Fast Abort Dump Cavern
Helical undulator
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11∅ 5.20 x 242m 10∅ 8.00 x 96m
Service tunnel 4.5m ∅
9∅ 5.20 x 467m
Photon Dump Cavern
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Service tunnel 4.5m ∅
e- RTML
13∅ 6.00 x 200m 12∅ 6.00 x 45m 11∅ 5.20 x 242m
Target bypass ‘dog-leg’ area
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Positron Capture Chicane
Undulator Area
IP
Positron source targetwith remote handling area: Needs shaft and hall!
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Shaft PM-7 14m ∅
4’282’527MM from IP
Base Cavern US-7
Undulator area
15∅ 5.20 x 1388m15∅ 5.20 x 1388m
Service tunnel should continue to this shaft ?
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ILC Project general view
Concerns half of the project (circled area) BUT NOT MAIN LINAC ??
1
15
17
Length (m)
Required diameter (m)
Optimise
d diameter (m)
Experimental Cavern Interface Tunnel 1 68 5.20 8.00
Main Dump Branch Tunnel 2 82 6.00 8.00
Main Dump Branch Tunnel 3 173 7.00 8.00
Damping Ring Branch Tunnel 4 60 12.00 12.00
PTRAN & BDS Diag. Dump Tunnel 5 965 7.00 8.00
Tune-Up Dump Tunnel 6 75 10.00 10.00
400 MeV accelerator Tunnel 7 130 8.00 8.00
400 MeV accelerator Tunnel 8 155 7.00 8.00
Positron Production Tunnel & Remote Handling Cavern 9 467 5.20 8.00
Positron Production Tunnel & Remote Handling Cavern 10 96 8.00 8.00
e- BDS Dogleg Tunnel 11 242 5.20 8.00
e- BDS Dogleg Tunnel 12 45 6.00 8.00
e- BDS Dogleg Tunnel 13 200 6.00 8.00
Undulator & Fast Abort Dump Tunnel & Undulator Access Cavern 14 120 6.00 8.00
End ML – Start Positron Tunnel 15 1388 ?? 5.20 5.20
Damping Ring Transfer Tunnel 16 270 6 6
Damping Ring Junction Cavern 17 22 14 14
14
13
1211
109
87
6
23
45
16
BDS tunnel optimized to 8m diameter for CERN GEOLGY
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ILC Project general view
Damping ring
ILC Experimental Caverns
Complexity of tunnel works
Waveguides between service tunnel and BDS ?
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ILC Project general view
ILC Experimental Caverns
Complexity of tunnel works
Now five shafts at the IR
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ILC Project general view
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ILC Project general view
Service tunnel goes up and over the transfer lines
Damping ring
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PLTR / BDS Junction Cavern
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PLTR Bypass to damping ring
Damping Ring
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Transport zone
PLTR
e- RTML
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Typical Main Linac Cross Section for Klycluster Scheme on the CERN Site
Beam to floor = 1100m
115
3m
m
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Most important drawing for CFS costing : Needs checking !
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• These layouts will be used for ILC Europe civil engineering costing purposes and for :
• Europe Scheduling exercise (Martin Gastal & Katy Foraz)
• Handling & Installation studies (Keith Kershaw)
• Survey & Alignment (Helene Mainaud Durand)
• Safety requirements (Fabio Corsanego)
• Exact Scope of what is to included in these chapters needs to be defined.
• Environmental Impact Studies are ongoing for a LC at CERN (with the help of a technical student Caroline Waaijer).
CERN TDR efforts for Klycluster Scheme… Next Steps
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BACK-UP SLIDES
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STEP file imported into Catiafrom DESY to CERN thru EDMS(Courtesy of Benno List and Don Mitchell)Even such large models can now be downloaded and put in other 3D programs
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Just like in the LHC UJ22 cavern,The magnets will have to be liftedOver the beam lines
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Environmental Impact Assessment (EIA)
• Required by French and Swiss law– Feasibility issue
• 3 phases– Screening: establish necessity for EIA ( )– Scoping: conduct EIA– Review: before submission
• Required knowledge– Legal framework– Policies & decision-making– Engineering– Environmental impact criteria
• Biophysical, socio-cultural, socio-economical
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• Major issues for ILC:– Civil Engineering
• Excavations, spoil dumps, soil swelling, hydrology, release pollutants geothermal drillings, hydrocarbons, visual impact…
– Energy consumption• Focus on renewable & sustainable energy
– Water consumption• Where discharged?• Focus on renewable & sustainable energy
– Social acceptance• Impacts during and after constructions, fear
– Waste
– Radiation
Feasibility threats
Environmental Impact Assessment
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Env
ironm
enta
l Im
pact
Ass
essm
ent
• Next steps– Planning
• Task division • cost estimates EIA• Land acquisition
– Start• Work together with Swiss /
French authorities• In-depth studies• Identify knowledge gaps• Address feasibility threats