1. WP9 ITS Mechanics and Cooling
12 March 2014
Corrado Gargiulo

2. ITS objectives for 2014 – WP9 Finalization of IB and OB layout
IB QM design: Space Frame +Cold Plate, End-Wheel, Cylindrical Structural Shell
IB BARREL QM production based on “pad chips”
OB QM design: Space Frame, Cold Plate
OB STAVE QM production based on “pad chips” …
EM Engineering Module, Qualification Module (final quality)

3. ITS objectives for 2014 – WP9 Finalization of IB and OB layout
IB QM design: Space Frame +Cold Plate, End-Wheel, Cylindrical Structural Shell
IB BARREL QM production based on “pad chips”
OB QM design: Space Frame, Cold Plate
OB STAVE QM production based on “pad chips” …

4. Finalization of IB and OB layout
(TDR, endorsed)
BP outer radius 19
Layer 0 mean radius
Layer 0 inner boundary >21.8
Middle Layer radius TDR6 / TDR7
Stave width (FPC)
Stave length (cold plate) IL 320 (4th IB layer)
IL 290=
ML 870=
OL 1502=
Detectors boundary >21.8mm

5. Beam Pipe NEW DESIGN 19mm OR
Submitted to LEB commitee for approval

6. ITS VS BP Gap >2.8 mm 19.0 No change in the ITS layers radius (TDR)

7. ITS Outer Barrel Baseline TDR 6 TDR 7
Simulation results by the end of March

8. ITS objectives for 2014 – WP9 Finalization of IB and OB layout
IB QM design: Space Frame +Cold Plate, End-Wheel, Cylindrical Structural Shell
IB BARREL QM production based on “pad chips”
OB QM design: Space Frame, Cold Plate
OB STAVE QM production based on “pad chips” …

9. Inner Barrel Polyimide tubes ID 1.024mm; wall thickness 25 micron
Flex Printed Circuit
9 PIXEL Chip
Cold Plate
Spaceframe
Inner layer stave 300mm length,
1.6 gram weight
Polyimide tubes
ID 1.024mm; wall thickness 25 micron

10. PRODUCTION QM (FINAL QUALITY)
IB Carbon spaceframe IB
status
DEVELOPMENT TEST on EM (Engineering Module)
sag
Thermal test OK
Thermoelastic test on going
Stiffness test sag <10 µm
Vibrational test >100Hz
Dimensional next
167 Hz
next
PRODUCTION QM (FINAL QUALITY)
Production of new spaceframe with high dimensional accuracy
new moulds under production
Production of full barrel (48 staves)

11. EM IB Carbon spaceframe on going
M60J
Alternative option under investigation to further improve stiffness and thermo-elastic stability
Change of Carbon fleece with K13D2U
(same weight)
45µm
20µ
Carbon paper
30µ
(30µ)
70µ
K13D2U
45µm
45µm
20µ 11

12. QM IB Connectors status next DESIGN PRODUCTION
provide staves position accuracy
status
DESIGN
3D, 2D production drawings OK…
…need validation fro WP6, needs additional considerations on survey strategy
next
PRODUCTION
100 CONNECTORS
Design and Production of assembly jig, to glue the connector to the spaceframe
Deisgn modified respect to TDR to increase accuracy

13. QM IB production Spaceframe+Coldpalte n.48
2014 JULY
Tentative schedule

14. QM IB End-Wheels status next DESIGN DESIGN 3d, OK…
…need further consideration on cable and piping routing
next
DESIGN
Design and Production of molds for layer assembly

15. QM IB End-Wheels
From Antonello & Antoine

16. QM IB CYlindrical Support Structure status
DESIGN
3d, OK…
…needs further consideration on survey targets locations and interface with Service Barrel
next
DESIGN
Design and Production of molds

17. QM IB production End-Wheels and CYSS
2014 SEPTEMBER

18. Production site Bldg 167 new
… ongoing
CERN GS HSE
Material Hazard
Fire extinguisher
CERN electrical inspection
Ventillation system installation
90m2 clean environment, °C, 50% humidity

19. Evgeny &Viktor
Samuel
Yannick
Almost there!

20. ITS objectives for 2014 – WP9 Finalization of IB and OB layout
IB QM design: Space Frame +Cold Plate, End-Wheel, Cylindrical Structural Shell
IB BARREL QM production based on “pad chips”
OB QM design: Space Frame, Cold Plate
OB STAVE QM production based on “pad chips” …

21. Outer Barrel

22. PRODUCTION QM (FINAL QUALITY)
Outer Barrel stave
status
DEVELOPMENT TEST
On spaceframe (Carbon fiber K13 D2U)
Bending test &FEA sag ≈95µm
Vibrational test st freq=51Hz; dynamic response ongoing
On coldpalte
Thermoelastic test αexp ~ 12 x 10-6 K-1
Thermal (150 and 300 mW/cm2), hydraulic test Ok
Thermal test on full length coldplate next
next
PRODUCTION QM (FINAL QUALITY)
Production of 1 SPACEFRAME+ 2COLDPLATES
Production of EMs

23. EM OB Carbon spaceframe on going
Improve stave stiffness
Full k13 spaceframe has shown to be too brittle
N.2 Produced and tested, spaceframe M55j baseline
N.2 Produced and tested, spaceframe M55j with additional layer
N.2 Produced and tested, spaceframe M55j with two layers K13D2U(embedded)
3 point bending test results
Confirmed previous test
Lumped mass (test)
Distributed mass (derived from test)

24. EM OB Coldplate on going
Production of 1 cold plate 1,5m/ID=2mm/option-a
Production of 1 cold plate 1,5m/ID=2mm/option-b
Production of 1 cold plate 300mm for thermal test for both option a and b
on going
Mould modified (for ID 2mm), Grenoble
New 2mm ID pipes arrived
K13 from Berkley arrived
Option a) Baseline
Option b) Alternative option under investigation to further improve stiffness and thermo-elastic stability 24
20µ
90µ
30µ
45µm
70/45µm
ID=2.67mm,
wt=0.065mm
ID=2.00mm;
wt=0.032mm

25. x x x QM OB Spaceframe CONNECTOR new design Spaceframe New design
Removed spring connection between stave and end-wheels x
TDR baseline
Spring
Spring x x
Ruby sphere
Reference Plane
on the End-Wheels

26. QM OB Spaceframe CONNECTOR revised design status
EM 3D, 2D production drawings OK…
… need to be validated by WP7,8 and by test
next
PRODUCTION
20 CONNECTORS
Design and Production of assembly jig needed to glue the connector to the spaceframe

27. QM OB Cold Plate CONNECTOR status
DESIGN
3d, 2D production drawings OK…
…needs validation by WP7,8
next
PRODUCTION
20 CONNECTORS
Design and Production of assembly jig, to glue the connector to the spaceframe

28. EM OB End-Wheels status next DESIGN DESIGN EM 3d model proposal
EM 3D design

29. EM OB End-Wheels Definition of cooling modularity and cooling scheme
Definition of electrical and hydraulic connection layout
DC-DC converter mechanics and cooling
300mm
300mm
300mm
P. Kuijer
300mm
DC-DC
150mm EW

30. ALI-UPGRADE 3D CAD MODEL overall
3D CAD MODEL available on CERN ITS UPGRADE CAD REPOSITORY
R1_

31. Next EM Inner stave & Outer stave -optimize carbon plies lay-up
QM Inner stave & QM Outer stave
-freeze connector design and start production
-develop jigs for connector to spaceframe gluing