CERN Accelerating science

Article
Report number CERN-ATS-2010-014
Title Commissioning of the CMS Cryogenic System After Final Installation in the Underground Cavern
Author(s) Dupont, T (CERN) ; Courty, J C (Air Liquide, Sassenage) ; Perinic, G (CERN)
Publication 2010
Imprint 04 Jan 2010
Number of pages 9
In: AIP Conf. Proc. 1218 (2010) 3-10
In: Cryogenic Engineering Conference and International Cryogenic Materials Conference, Tucson, AR, USA, 28 Jun - 2 Jul 2009, pp.3-10
DOI 10.1063/1.3422381
Subject category Accelerators and Storage Rings
Accelerator/Facility, Experiment CERN LHC ; CMS
Abstract After having served for the surface tests of the Compact Muon Solenoid (CMS) magnet, the cold box and ancillaries of the CMS helium refrigerator have been dismantled, moved and re-installed in the USC55 cavern in 2007. The full re-commissioning in the cavern has been followed by several tests of the refrigerator to confirm its nominal performance before it was used for the magnet and detector tests in 2008. During these tests the safety modes of the refrigeration system have been tested and improved. After a nine-year project both, the magnet and the refrigeration system are now ready for the CMS operation.

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 Záznam vytvorený 2010-01-28, zmenený 2016-04-14


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