CERN Accelerating science

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1.
Process control system evolution for the LHC Cold Compressors at CERN / Bradu, B (CERN) ; Delprat, L (CERN) ; Duret, E (CERN) ; Ferlin, G (CERN) ; Ivens, B (CERN) ; Lefebvre, V (CERN) ; Pezzetti, M (CERN)
The Large Hadron Collider (LHC) operates using superfluid helium provided by eight large refrigeration units (2.4 kW @ 1.8 K each). These units supplied by specialized cryogenic industrial suppliers are composed of serial hydrodynamic cold compressors based on an axial-centrifugal impeller coupled with volumetric warm screw compressors. [...]
IOP, 2020 - 8 p. - Published in : IOP Conf. Ser. Mater. Sci. Eng. 755 (2020) 012086
In : Conference on Cryogenic Engineering and on International Cryogenic Materials, Hartford, Connecticut, 21 - 25 Jul 2019, pp.012086
2.
Main Consolidations and Improvements of the Control System and Instrumentation for the LHC Cryogenics / Fluder, C (CERN) ; Blanco, E (CERN) ; Bremer, J (CERN) ; Bremer, K (CERN) ; Ivens, B (CERN) ; Casas-Cubillos, J (CERN) ; Claudet, S (CERN) ; Gomes, P (CERN) ; Ivens, B (CERN) ; Perin, A (CERN) et al.
Operation of the LHC during 2010 and 2011 with 3.5 TeV beam energy and luminosity up to 3.65x1033 cm-2 s-1, led to radiation-induced failures of micro-electronic devices used in the cryogenic control system. [...]
CERN-ATS-2013-005.
- 2013. - 5 p.
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