An information meeting was held
on September 27, 2006 to review and solicit input on the design of the
modular coil interface hardware. David Williamson presented the
design. A copy of his presentation can be viewed by clicking
here. There was lively
discussion throughout the meeting. At the end, chits were collected to
document the inputs. The chits are summarized below.
- Consider gluing on
Swagelok couplings to the G11 pipe nipples instead of connecting to them
directly [Reiersen]
- Consider attaching the
thermocouples directly to the shell via a stud that is stud welded rather
than trying to attach a block to a curved surface. It might be less
expensive and provide a better reading. [Dudek]
- Consider putting the
insulation on the vacuum vessel instead of the coil [Dudek]
- Make sure the enclosures
for the coils from the co-wound loops are accessible after the machine is
assembled [Raftopoulos]
- Provide a schematic of the
cooling arrangement in the lead area. At present this is not clear.
[Chrzanowski]
- Consider putting a
fiberglass sleeve around the tubes and wires going through a shell
penetration before injecting the foam seal (aka Great Stuff)
[Heitzenroeder]
- Consider adding
thermocouples in poorly cooled as well as well cooled areas to better
characterize temperature differentials across the coil assembly [Reiersen]
- Need to determine how the
lug is cooled. The lead block cooling should remain in single phase,
closed loop cooling system. The question is whether it should be in
series or parallel with the other loops in that system. [Reiersen]
- Consider brazing a hard
copper tube to the coolant tube stubs to bring the threaded connection out
to where it is accessible. This should make support simpler and
avoid issues with Cu-SS brazes in addition to the maintainability benefit.
[Reiersen]
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