9-Oct-14
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Transcript of 9-Oct-14
Apr 20, 2023 S.Movchan Straw manufacturing and QC 1
Dubna modules assembly status (March 31 2014)
Status of:
• CH2 M2 X-Y
• CH4 M1 U-V
• CH4 M1 X-Y
Shipment to CERN:
CH2 M2 X-Y + CH4 M1 U-V
Presented by S.Movchan
Apr 20, 2023 S.Movchan Straw manufacturing and QC 2
CH2 M2 X-Y status
Apr 20, 2023 S.Movchan Straw manufacturing and QC 3
Vacuum set up
3 support tubes per each corner
Central support tube
Apr 20, 2023 S.Movchan Straw manufacturing and QC 4
CH2 M2 X-Y frame leak to vacuum (July 2013)
Leak estimation for final time interval dT=(4200-5600) min:
dP=7.8-7.5 = 0.3 mBar dT= 5600 – 4200 = 1400 min Volume V=2.2x10**6 cm3
Leak: L = dP*V/dT = 0.3 mBar/1 * 2.2x10**6 cm3/1400 min ~ 0.5 cm3/min
Apr 20, 2023 S.Movchan Straw manufacturing and QC 5
CH2 M2 X-Y: final gas leak test finished (March 14 2014)
Gas leak results:
X-view
Temp.
Y-view
NO gas leak
Views pressure drop
Apr 20, 2023 S.Movchan Straw manufacturing and QC 6
CH4 M1 U-V status
Apr 20, 2023 S.Movchan Straw manufacturing and QC 7
CH4 M1 U-V: vacuum test(October 2013)
Leak < 0.1 cm3/min(requirement L<=0.8 cm3/min)
Apr 20, 2023 S.Movchan Straw manufacturing and QC 8
CH4 M1 U-V: final gas leak test finished (March 26 2014)
Gas leak results:
Views pressure drop
U-view
V-view
Temp.
NO gas leak
Apr 20, 2023 S.Movchan Straw manufacturing and QC 9
Dumping system installation: 2 options -> “blue frame” and “grey frame”
CH4 M1 U-VCH2 M2 X-Y
Apr 20, 2023 S.Movchan Straw manufacturing and QC 10
Shipment to CERN: CH2 M2 X-Y ready for transportation
dP= 425 mBar of Ar
Apr 20, 2023 S.Movchan Straw manufacturing and QC 11
Shipment to CERN: CH4 M1 U-V ready for transportation
dP= 402 mBar of Ar
Apr 20, 2023 S.Movchan Straw manufacturing and QC 12
Shock logs installation
CH4 M1 U-VCH2 M2 X-Y
Apr 20, 2023 S.Movchan Straw manufacturing and QC 13
Common view
Apr 20, 2023 S.Movchan Straw manufacturing and QC 14
Mercedes Atego 1218
Apr 20, 2023 S.Movchan Straw manufacturing and QC 15
Loading time and shocklog check
Apr 20, 2023 S.Movchan Straw manufacturing and QC 16
go to CERN …(March 31 2014 13:10)
Apr 20, 2023 S.Movchan Straw manufacturing and QC 17
CH4 M2 X-Y
Apr 20, 2023 S.Movchan Straw manufacturing and QC 18
CH4 M2 X-Y: vacuum test done (January 27 2014)
Leak < 0.1 cm3/min(requirement L<=0.8 cm3/min)
Apr 20, 2023 S.Movchan Straw manufacturing and QC 19
CH4 M2 X-Y installed for assembly (March 11 2014)
Apr 20, 2023 S.Movchan Straw manufacturing and QC 20
Glued layers:first - March 14second - March 213-d - March 29
CH4 M2 X-Y status: X-view
Apr 20, 2023 S.Movchan Straw manufacturing and QC 21
Common view
BOX for
CH4 M2 X-Y
CH4 M1 U-V
READY for shipment
CH2 M2 X-Y
READYfor shipment
Apr 20, 2023 S.Movchan Straw manufacturing and QC 22
CH4 M2 X-Y: schedule
Straw gluing – March-May 2014
Straw cutting + gas leak test – May 2014
Wiring + HV test – end of May 2014
Gas manifold installation – May-June 2014
Final gas leak test – June 2014
Ready for shipment – end of June 2014
Delivery to CERN - beginning of July 2014