Cryostat design and heat loads

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Presentation transcript:

Cryostat design and heat loads Alexey Bragin, Mikhail Kholopov Budker Institute of Nuclear Physics, Novosibirsk, Russia CDR meeting, May 2017 October 2010

View of the cryostat The cryostat is placed by the top side of the detector.

Cryostat view 2

Cryostat view 3

Heat loads on the cryostat

Heat loads from supports

Hot spot by the support struts Materials: St steel 304 Copper G-10 Insulation

Temperature distribution at 1000 W/m2

Temperature distribution at 30 W/m2 Without copper foil With copper foil, 1 mm thickness

Conclusions The design of the cryostat is presented The heat loads satisfy the specifications Copper foils are important in the coils for heat transfer The design of the G-10 spacers in the coils will be changed to exclude gas pockets

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