Posted by Texasmark1 on December 16, 2018 at 04:28:29 from (172.242.9.56):
In Reply to: Degrees Kelvin posted by Geo-TH,In on December 15, 2018 at 06:18:41:
We were shut down, not too long after the Sam Donaldson 60 Minutes program on the subject before we finished it, but the focusing magnets for the Superconducting Super Collider's 2 ionic beams, in the 54 mile (circumference) main loop were (to be) cryogenically cooled to +4*K.
Design of the collider called for a cryo pump every 5 miles of the loop. A very thin, sophisticated, insulation sheet was developed for the purpose. I don't remember how many layers, nor the exact makeup, were wrapped around the two tubes and surrounding focusing magnets. I was part of the design team for the Drift Tube and Couple Cavity Linear Accelerators which energized the beam before being injected into the 2 accelerating loops and then the main beam. Quite an undertaking I assure you.
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