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Economics of Large Helium Cryogenic Systems : experience from Recent Projects at CERN

Dec, 1999
9 pages
Published in:
  • Adv.Cryog.Eng. 45 (2000) 1301-1308
Contribution to:
DOI:
Report number:
  • CERN-LHC-PROJECT-REPORT-317,
  • LHC-PROJECT-REPORT-317
View in:
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Abstract:
Large projects based on applied superconductivity, such as particle accelerators, tokamaks or SMES, require powerful and complex helium cryogenic systems, the cost of which represents a significant, if not dominant fraction of the total capital and operational expenditure. It is therefore important to establish guidelines and scaling laws for costing such systems, based on synthetic estimators of their size and performance. Although such data has already been published for many years, the experience recently gathered at CERN with the LEP and LHC projects, which have de facto turned the laboratory into a major world cryogenic center, can be exploited to update this information and broaden the range of application of the scaling laws. We report on the economics of 4.5 K and 1.8 K refrigeration, cryogen distribution and storage systems, and indicate paths towards their cost-to-performance optimisation.
  • talk: Montreal 1999/07/12
  • p p: storage ring
  • electron positron: storage ring
  • magnet: superconductivity
  • RF system: superconductivity
  • cryogenics
  • costs
  • CERN LEP Stor
  • CERN LHC Coll
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