PREX II Vacuum Box, Shielding and Septum Design Status

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Presentation transcript:

PREX II Vacuum Box, Shielding and Septum 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 Need to replace damaged coil, estimated at $10k, drawings exist, 7 to 9 months from procurement to delivery of coil.

Vacuum Box w/ Collimator

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

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

Slow and Steady Pace Questions?