FLUKA simulations of heat deposition with active absorbers in IR6
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Transcript of FLUKA simulations of heat deposition with active absorbers in IR6
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FLUKA simulations of heat deposition with active
absorbers in IR6
E.SkordisOn behalf of the FLUKA team
LHC Collimation Working Group 8/4/2013 E.Skordis
With Input from: B.M. Salvachua, B.Goddard
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FLUKA geometry of IR6
TCLAH Horizontal active absorber at 10 sigmas
LHC Collimation Working Group 8/4/2013 E.Skordis
TCLAV Vertical active absorber at 10 sigmas
TCDQsTCSG Masks Q4 Q5
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Simulations overview
Nominal operation losses
Asynchronous Beam Dump
losses
Simulate energy deposited in the Q4 and Q5 Magnet coils in IR6
With Active Absorbers (TCLA)
Without Active Absorbers (TCLA)
With Active Absorbers (TCLA)
Without Active Absorbers (TCLA)
2 scenarios
2 cases
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Nominal operation
TCDQ.A TCDQ.B TCDQ.C TCSG TCLA.V TCLA.H10
100
1000 Without TCLA
With TCLA
# H
its
Loss map given by 6track simulations (B.M. Salvachua), 2 cases: With and Without TCLA
Total losses:• Without TCLA 1809 out of 6391627 (0.0283%)• With TCLA1854 out of 6334006 (0.02927%)
Normalisation• 2.2 · 1011 p/bunch • 2808 bunches lost in 1 hour
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0.6
0.1
Gain : a factor of 6
LHC Collimation Working Group 8/4/2013 E.Skordis
Q4
Profile over Z of the maximum energy deposition on the Q4 coils.Values are in mW cm−3
Normalisation [2.2 · 1011 p/bunch – 2808 bunches lost in 1 hour * (1854/6.4 · 106 ) ]
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1.3
0.4
Gain : a factor of 3.3
LHC Collimation Working Group 8/4/2013 E.Skordis
Profile over Z of the maximum energy deposition on the Q5 coils.Values are in mW cm−3
Normalisation [2.2 · 1011 p/bunch – 2808 bunches lost in 1 hour * (1854/6.4 · 106 ) ]
Q5
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Total Energy deposition Without TCLA : 2.76 W With TCLA : 0.40 W
LHC Collimation Working Group 8/4/2013 E.Skordis
Q4
X,Y cross section at the Z of the maximum energy deposition on the Q4Values are in mW cm−3
Normalisation [2.2 · 1011 p/bunch – 2808 bunches lost in 1 hour * (1854/6.4 · 106 ) ]
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X,Y cross section at the Z of the maximum energy deposition on the Q5Values are in mW cm−3
Normalisation [2.2 · 1011 p/bunch – 2808 bunches lost in 1 hour * (1854/6.4 · 106 ) ]LHC Collimation Working Group 8/4/2013 E.Skordis
Total Energy deposition Without TCLA : 2.15 W With TCLA : 0.66 W
Q5
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Total energy deposition on the elements
LHC Collimation Working Group 8/4/2013 E.Skordis
TCSG Positive jaw
TCSG Negative jaw
TCLAV top jaw
TCLAV botom jaw
TCLAH Positive jaw
0.4820.462
1.9241.903
4.5400
4.5020
1.3180
TCLAH Negative jaw
2.1350
Beam
TCDQs
Values are in W Normalisation [2.2 · 1011 p/bunch – 2808 bunches lost in 1 hour * (1854/6.4 · 106 ) ]
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Asynchronous Beam Dump• Distribution at a given point in Z before the TCDQs that included x, y, x’, y’
LHC Collimation Working Group 8/4/2013 E.Skordis
Normalisation: 40 bunches lost , 2.2 · 1011 p/bunch
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Gain : a factor of 5.8
LHC Collimation Working Group 8/4/2013 E.Skordis
Q4
Profile over Z of the maximum energy deposition on the Q4 coilsValues are in J cm−3
Normalisation [2.2 · 1011 p/bunch – 40 bunches]
10.5
1.8
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Gain : a factor of 3.8
LHC Collimation Working Group 8/4/2013 E.Skordis
Q5
Profile over Z of the maximum energy deposition on the Q5 coilsValues are in J cm−3
Normalisation [2.2 · 1011 p/bunch – 40 bunches]
32.9
8.6
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Total Energy deposition Without TCLA : 49.34 kJ With TCLA : 14.22 kJ
LHC Collimation Working Group 8/4/2013 E.Skordis
Q4
X,Y cross section at the Z of the maximum energy deposition on the Q4Values are in J cm−3
Normalisation [2.2 · 1011 p/bunch – 40 bunches]
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Total Energy deposition Without TCLA : 32.08 kJ With TCLA : 8.157 kJ
LHC Collimation Working Group 8/4/2013 E.Skordis
Q5
X,Y cross section at the Z of the maximum energy deposition on the Q5Values are in J cm−3
Normalisation [2.2 · 1011 p/bunch – 40 bunches]
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Total energy deposition on the elements Values are in kJ
Normalisation [2.2 · 1011 p/bunch – 40 bunches ]
LHC Collimation Working Group 8/4/2013 E.Skordis
TCS Positive jaw
TCS Negative jaw
TCLAV top jaw
TCLAV botom jaw
TCLAH Positive jaw
24.5724.7
147.30146.2
73.340
73.610
15.610
TCLAH Negative jaw
16.930
Beam
TCDQs
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Simulations Conclusion
Nominal operation losses
Asynchronous Beam Dump
losses
Simulate energy deposited in the Q4 and Q5 Magnet coils in IR6
Q4Gain of a factor of:
6
Q5Gain of a factor of:
3.3
Q4Gain of a factor of:
5.8
Q4Gain of a factor of:
3.8
2 scenarios
2 cases
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Second mask geometry
LHC Collimation Working Group 8/4/2013 E.Skordis
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LHC Collimation Working Group 8/4/2013 E.Skordis
Profile over Z of the maximum energy deposition on the Q5 coilsValues are in J cm−3
Normalisation [2.2 · 1011 p/bunch – 40 bunches]
Asynchronous Beam Dump