Cryogenic operation and testing of the extended LHC Prototype Magnet String (original) (raw)
1997, Proceedings of the Sixteenth International Cryogenic Engineering Conference/International Cryogenic Materials Conference
After the assembly, commissioning and successful first operation of a full-scale superconducting magnet string, and as a new prototype dipole magnet was added to approach final configuration, the cryogenic system has been slightly modified to allow the verification of the performance of the superfluid helium cooling loop in counter-current two-phase flow. At the same time the control system strategies have been updated and only two quench relief valves have been installed, one at each end of the string. We report on the cryogenic operation of the extended version of the string and the response of the system to transients.
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