NDLI: Technical Analysis and Statistics from Long Term Helium Cryoplant Operation with Experimental Superconducting Magnets at CERN

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Technical Analysis and Statistics from Long Term Helium Cryoplant Operation with Experimental Superconducting Magnets at CERN

Content Provider	Semantic Scholar
Author	Delikaris, D. Dauvergne, J. P. Haug, Fabian
Copyright Year	1996
Abstract	Publisher Summary CERN regularly uses a large number of liquid-helium cryoplants for cooling the superconducting magnets of large particle detectors. They are installed in the experimental areas of the electron-positron collider LEP and the proton accelerator SPS for the observation of high-energy interactions of elementary particles. The typical cold mass of a detector magnet ranges from 1 to 40 tons, and typical cryoplant cooling capacities are between 400 and 800 W/4.5 K entropy equivalent. Operation must be very flexible to meet the varying experimental requirements. This chapter presents the technical data of the system and statistics from over 180'000 running hours during the four years from 1992 to 1995. Operation includes phases of cool-down, steady-state cooling, and recovery after magnet quench or other incidents and warm-up of the superconducting magnets. It emphasizes on the analysis of fault conditions, multiple interaction between perturbations and consequences for the users of liquid-helium supply interruption. It is particularly interesting to analyze the data from stoppages directly linked to faults in the cryogenic equipment in order to gain a better understanding of the necessary improvements to the various systems when the new cryogenic installations are designed for future experiments using superconducting magnets.
Starting Page	169
Ending Page	172
Page Count	4
File Format	PDF HTM / HTML
DOI	10.1016/B978-008042688-4/50040-5
Alternate Webpage(s)	http://cds.cern.ch/record/321825/files/lhc-96-013.pdf
Alternate Webpage(s)	https://doi.org/10.1016/B978-008042688-4%2F50040-5
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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