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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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let’s make one more addition to our series on hydraulics. I’ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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