n. dixon ph / dt vladimir elsha jinr straw working group meeting monday 6th february 2011 cern1...
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N. Dixon PH / DT VladiN. Dixon PH / DT Vladimir Elsha JINR Straw womir Elsha JINR Straw working group meeting Mondrking group meeting Monday 6th february 2011 CERNay 6th february 2011 CERN
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Straw Material and Straw Material and development.development.
N. Dixon PH / DT VladiN. Dixon PH / DT Vladimir Elsha JINR Straw womir Elsha JINR Straw working group meeting Mondrking group meeting Monday 6th february 2011 CERNay 6th february 2011 CERN
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Latest news on Material.Latest news on Material.
Pressure tests.Pressure tests.
Straws for assembly.Straws for assembly.
N. Dixon PH / DT VladiN. Dixon PH / DT Vladimir Elsha JINR Straw womir Elsha JINR Straw working group meeting Mondrking group meeting Monday 6th february 2011 CERNay 6th february 2011 CERN
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Coated Material at CERNCoated Material at CERNspool reference length in metres Location Date
A1-1 320 CERN 27.11.2010
A1-2 320 CERN 27.11.2010
A1-3 320 CERN 27.11.2010
A1-4 320 CERN 27.11.2010
A1-5 320 CERN 27.11.2010
A1-6 320 CERN 27.11.2010
A1-7 210 Maud 10.12.2010
A1-8 320 CERN 27.11.2010
A1-9 320 JINR 14.12.2010
A1-10 320 CERN 27.11.2010
A1-11 320 JINR 14.12.2010
A1-12 320 CERN 27.11.2010
A1-13 320 Sefar 30.11.2010
A1-14 320 Sefar 24.01.2011
A1-15 320 Sefar 30.11.2010
A1-16 320 Sefar 24.01.2011
A1-17 320 JINR 14.12.2010
A1-18 320 CERN 27.11.2010
Coating of remaining PET material to be planned for 2011
N. Dixon PH / DT VladiN. Dixon PH / DT Vladimir Elsha JINR Straw womir Elsha JINR Straw working group meeting Mondrking group meeting Monday 6th february 2011 CERNay 6th february 2011 CERN
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Quality ControlQuality Control
Permeation: Permeation: (Effect of the weld; (Effect of the weld; ongoing, 2 ongoing, 2 measurements remain: Latest material measurements remain: Latest material coated by Fraunhofer, and permeation coated by Fraunhofer, and permeation through weld.through weld.))
Creep test. Creep test. (Compare RNK 2600 to GN 4600) (Compare RNK 2600 to GN 4600) ongoingongoing
Ultrasonic welds. Ultrasonic welds. RNK 2600 straws produced by both JINR RNK 2600 straws produced by both JINR and Sefar are giving good results. and Sefar are giving good results. (See Maud’s presentation)(See Maud’s presentation)
N. Dixon PH / DT VladiN. Dixon PH / DT Vladimir Elsha JINR Straw womir Elsha JINR Straw working group meeting Mondrking group meeting Monday 6th february 2011 CERNay 6th february 2011 CERN
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Current newsCurrent news
Straw ultrasonic welding.Straw ultrasonic welding.
Sefar supplied straws (DEC 2010) that have been tested at CERN. Sefar supplied straws (DEC 2010) that have been tested at CERN.
(Pressure tests)(Pressure tests)
A contract is in place with Sefar for 250 tubes to be delivered 25 February 2011A contract is in place with Sefar for 250 tubes to be delivered 25 February 2011
(start of week 9)(start of week 9)
JINR have produced “130 +” straw tubes.JINR have produced “130 +” straw tubes.
N. Dixon PH / DT VladiN. Dixon PH / DT Vladimir Elsha JINR Straw womir Elsha JINR Straw working group meeting Mondrking group meeting Monday 6th february 2011 CERNay 6th february 2011 CERN
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Storage valves.Storage valves.
Valves for storage have been tested and approved.Valves for storage have been tested and approved.
Gluing method and straw pressurisation validated.Gluing method and straw pressurisation validated.
1000 Pieces have been ordered (100 to be supplied to JINR this week)1000 Pieces have been ordered (100 to be supplied to JINR this week)Provision for 7000 more valves in placeProvision for 7000 more valves in place
N. Dixon PH / DT VladiN. Dixon PH / DT Vladimir Elsha JINR Straw womir Elsha JINR Straw working group meeting Mondrking group meeting Monday 6th february 2011 CERNay 6th february 2011 CERN
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Pressure measurements.Pressure measurements.Using the mechanical device developed. It is possible to accurately Using the mechanical device developed. It is possible to accurately measure changes in pressure over long periods.measure changes in pressure over long periods.
A calibration curve is required, for specific range measurements A calibration curve is required, for specific range measurements
Straws with an unknown “start” pressure can be measured. Straws with an unknown “start” pressure can be measured.
(input valves are precise to +/- 100 mbar.)(input valves are precise to +/- 100 mbar.)
N. Dixon PH / DT VladiN. Dixon PH / DT Vladimir Elsha JINR Straw womir Elsha JINR Straw working group meeting Mondrking group meeting Monday 6th february 2011 CERNay 6th february 2011 CERN
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Pressure measurements.Pressure measurements.Measure straw deformation with 2 calibrated loadsMeasure straw deformation with 2 calibrated loads..
Measuring deviceMeasuring device Straw testStraw test
The measurement of a single straw is simple and fast. The results precise.The measurement of a single straw is simple and fast. The results precise.
N. Dixon PH / DT VladiN. Dixon PH / DT Vladimir Elsha JINR Straw womir Elsha JINR Straw working group meeting Mondrking group meeting Monday 6th february 2011 CERNay 6th february 2011 CERN
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Straw long term pressure testStraw long term pressure test
Sefar straw long term leak test
1800
1850
1900
1950
2000
2050
2100
2150
2200
2250
2300
02-01-11 0:00 07-01-11 0:00 12-01-11 0:00 17-01-11 0:00 22-01-11 0:00 27-01-11 0:00 01-02-11 0:00 06-02-11 0:00 11-02-11 0:00
Time in days
P In
mb
ar
specification
Leak Rate Specification (7.67 mbar/day )
N. Dixon PH / DT VladiN. Dixon PH / DT Vladimir Elsha JINR Straw womir Elsha JINR Straw working group meeting Mondrking group meeting Monday 6th february 2011 CERNay 6th february 2011 CERN
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Straw long term pressure testStraw long term pressure testLeak Rate of a tested batch (22 days displayed)
Sefar straw long term leak test
1800
1850
1900
1950
2000
2050
2100
2150
2200
2250
2300
02-01-11 0:00 07-01-11 0:00 12-01-11 0:00 17-01-11 0:00 22-01-11 0:00 27-01-11 0:00 01-02-11 0:00 06-02-11 0:00 11-02-11 0:00
Time in days
P In
mb
ar
700
750
800
850
900
950
1000
1050
1100
1150
1200
23
50
55
56
79
85
87
93
2
3
4
5
6
97
specification
atm P
N. Dixon PH / DT VladiN. Dixon PH / DT Vladimir Elsha JINR Straw womir Elsha JINR Straw working group meeting Mondrking group meeting Monday 6th february 2011 CERNay 6th february 2011 CERN
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JINR strawsJINR straws
We urgently need straw tubes to test We urgently need straw tubes to test
the mechanical and permeation properties of:the mechanical and permeation properties of:
1) Standard tubes from RNK 2600.1) Standard tubes from RNK 2600.
2) Valves installed and pressurised in JINR.2) Valves installed and pressurised in JINR.
3) Boxes to ship to CERN.3) Boxes to ship to CERN.
N. Dixon PH / DT VladiN. Dixon PH / DT Vladimir Elsha JINR Straw womir Elsha JINR Straw working group meeting Mondrking group meeting Monday 6th february 2011 CERNay 6th february 2011 CERN
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Conclusions:Conclusions:
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Straws expected fromStraws expected from
JINR and Sefar in February 2011JINR and Sefar in February 2011
to be installed in module ZERO.to be installed in module ZERO.
N. Dixon PH / DT VladiN. Dixon PH / DT Vladimir Elsha JINR Straw womir Elsha JINR Straw working group meeting Mondrking group meeting Monday 6th february 2011 CERNay 6th february 2011 CERN
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Straw long term pressure testStraw long term pressure testLeak Rate of a tested batch (43 days displayed)
Sefar straw long term leak test
1800
1850
1900
1950
2000
2050
2100
2150
2200
2250
2300
18-12-100:00
23-12-100:00
28-12-100:00
02-01-110:00
07-01-110:00
12-01-110:00
17-01-110:00
22-01-110:00
27-01-110:00
01-02-110:00
06-02-110:00
11-02-110:00
Time
P In
mb
ar
900
950
1000
1050
1100
1150
1200
1250
1300
1350
1400
23
79
93
specification
atm P
2