prex ii vacuum box, shielding and septu m design status
DESCRIPTION
PREX II Vacuum Box, Shielding and Septu m Design Status. Alan Gavalya 11 APR 14. Septum Mount w/ Absorber. Vertical Section. Horizontal Section. Septum Magnet. Septum Status. PREX-II utilizes the eight large coils in the existing Septum Magnet Existing Magnet has one large coil damaged - PowerPoint PPT PresentationTRANSCRIPT
![Page 1: PREX II Vacuum Box, Shielding and Septu m Design Status](https://reader035.vdocuments.net/reader035/viewer/2022081420/56816354550346895dd3fbdb/html5/thumbnails/1.jpg)
PREX II Vacuum Box, Shielding and Septum Design Status
Alan Gavalya11 APR 14
![Page 2: PREX II Vacuum Box, Shielding and Septu m Design Status](https://reader035.vdocuments.net/reader035/viewer/2022081420/56816354550346895dd3fbdb/html5/thumbnails/2.jpg)
Septum Mount w/ Absorber
![Page 3: PREX II Vacuum Box, Shielding and Septu m Design Status](https://reader035.vdocuments.net/reader035/viewer/2022081420/56816354550346895dd3fbdb/html5/thumbnails/3.jpg)
Vertical Section
![Page 4: PREX II Vacuum Box, Shielding and Septu m Design Status](https://reader035.vdocuments.net/reader035/viewer/2022081420/56816354550346895dd3fbdb/html5/thumbnails/4.jpg)
Horizontal Section
![Page 5: PREX II Vacuum Box, Shielding and Septu m Design Status](https://reader035.vdocuments.net/reader035/viewer/2022081420/56816354550346895dd3fbdb/html5/thumbnails/5.jpg)
Septum Magnet
![Page 6: PREX II Vacuum Box, Shielding and Septu m Design Status](https://reader035.vdocuments.net/reader035/viewer/2022081420/56816354550346895dd3fbdb/html5/thumbnails/6.jpg)
Septum Status
PREX-II utilizes the eight large coils in the existing Septum Magnet
Existing Magnet has one large coil damaged
Need to replace damaged coil, estimated at $10k, drawings exist, 7 to 9 months from procurement to delivery of coil.
![Page 7: PREX II Vacuum Box, Shielding and Septu m Design Status](https://reader035.vdocuments.net/reader035/viewer/2022081420/56816354550346895dd3fbdb/html5/thumbnails/7.jpg)
Vacuum Box w/ Collimator
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Tungsten Collimator Inner cylinder 30% Cu-70% W Water-cooled slug with Cu
sleeve brazed, similar to Qweak collimator
Outer box Tungsten
Power deposited: Inner cylinder 25.7 W/mA 70mA results in 1800W
Outer box 3.1 W/mA
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Tungsten Collimator “Rough” calculation on
initial design gives max temperature of Cu-W cylinder at 57.8 C
With use of Dynaflux pump-cooler system at max flow of 4 GPM
Recommend FEA simulation be done for more accuracy
Need request of 3-4 weeks to analyze
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Slow and Steady Pace
Questions?