Cryogenic Operation Methodology and Cryogen Management at CERN over the last 15 Years (2009)
Delikaris, D, Barth, K, Claudet, S, Gayet, Ph, Passardi, Giorgio, Serio, L, ...
CERN, the European Organization for Nuclear Research has progressively implemented and brought into operation an impressive number of cryogenic units (34). The paper will present the evolution of...
Cryogenic Heat Load and Refrigeration Capacity Management at the Large Hadron Collider (LHC) (2009)
Claudet, S, Lebrun, Ph, Serio, L, Tavian, L, Van Weelderen, R, Wagner, U
The Large Hadron Collider (LHC) is a 26.7 km high-energy proton and ion collider based on several thousand high-field superconducting magnets operating in superfluid helium below 2 K, now under...
Report of the Task Force on the Incident of 19th September 2008 at the LHC (2009)
Bajko, M, Bertinelli, F, Catalan-Lasheras, N, Claudet, S, Cruikshank, P, Dahlerup-Petersen, K, ...
This report summarizes the findings and recommendations of the AT department Task Force established to investigate the 19th September 2008 incident which occurred in sector 3-4 of the LHC. It...
Serio, L, Bouillot, A, Casas-Cubillos, J, Chakravarty, A, Claudet, S, Gicquel, F, ...
The cryogenic system [1] for the Large Hadron Collider accelerator is presently in its final phase of commissioning at nominal operating conditions. The refrigeration capacity for the LHC is produced...
Commissioning the Cryogenic System of the First LHC Sector (2008)
Millet, F, Claudet, S, Ferlin, G, Perin, A, Rabehl, R, Riddone, G, ...
The LHC machine, composed of eight sectors with superconducting magnets and accelerating cavities requires a complex cryogenic system providing high cooling capacities (18Â kW equivalent at...
Baseline Configuration of the Cryogenic System for the International Linear Collider (2007)
Casas-Cubillos, J, Chorowski, M, Claudet, S, Ganni, R, Klebaner, A, Parma, V, ...
The paper discusses the main constraints and boundary conditions and describes the baseline configuration of the International Linear Collider (ILC) cryogenic system. The cryogenic layout,...
Upgrade of Four Cryogenic Helium Refrigerators used in the LEP Collider for LHC Refrigeration (2007)
After the final run of the Large Electron Positron Collider, the four refrigerators used for LEP were free to be used for the Large Hadron Collider project. In order to serve the LHC requirements,...
The cryogenic system of the Large Hadron Collider (LHC) will be, upon its completion in 2006, the largest in the world in terms of refrigeration capacity with an equivalent to 144 kW at 4.5 K, about...
Millet, F, Claudet, S, Ferlin, G
The cooling capacity below 2 K for the superconducting magnets in the Large Hadron Collider (LHC), at CERN, will be provided by eight refrigeration units of 2400 W at 1.8 K, each of them coupled to...
1.8 K Refrigeration Units for the LHC: Performance Assessment of Pre-series Units (2004)
Claudet, S, Ferlin, G, Millet, F, Tavian, L
The cooling capacity below 2 K for the superconducting magnets of the Large Hadron Collider (LHC), at CERN, will be provided by eight refrigeration units of 2400 W at 1.8 K, each of them coupled to...
Claudet, S, Ferlin, G, Millet, F, Roussel, E, Sengelin, J P
The distribution of helium for the Large Hadron Collider (LHC), at CERN, will require a large variety of transfer lines. At the time of qualification of possible technologies, Invar® was...
A Cryogenic Test Station for the Pre-series 2400 W @ 1.8 K Refrigeration Units for the LHC (2002)
Claudet, S, Ferlin, G, Gully, P, Jäger, B, Millet, F, Roussel, P, ...
The cooling capacity below 2 K for the superconducting magnets in the Large Hadron Collider (LHC), at CERN, will be provided by eight refrigeration units at 1.8 K, each of them coupled to a 4.5 K...
Conclusions on 8 Years Operation of the LEP 4.5 K Refrigeration System at CERN (2001)
Bangert, N, Claudet, S, Gayet, P, Sanmartí, M
After 11 years of operation the Large Electron/Positron collider (LEP) was stopped in November 2000. Since 1993 a cryogenic system has been used to supply up to 72 superconducting (SC) cavity...
Towards Cost-To-Performance Optimisation of Large Superfluid Helium Refrigeration Systems (2000)
Claudet, S, Lebrun, P, Tavian, L
The field range of superconducting devices may be extended by lowering their operating temperature, using superfluid helium refrigeration systems which have to deliver working pressures down to 1.6...
Specification of Eight 2400 W @ 1.8 K Refrigeration Units for the LHC (2000)
Claudet, S, Gayet, P, Jäger, B, Millet, F, Roussel, P, Tavian, L, ...
The cooling capacity below 2 K for the superconducting magnets in the Large Hadron Collider (LHC), at CERN, will be provided by eight refrigeration units at 1.8 K, each of them coupled to a 4.5 K...
Economics of Large Helium Cryogenic Systems: experience from Recent Projects at CERN (1999)
Claudet, S, Gayet, P, Lebrun, P, Tavian, L, Wagner, U
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,...
Specification of Four New Large 4.5 K Helium Refrigerators for the LHC (1999)
Claudet, S, Gayet, P, Wagner, U
The cooling capacity for the superconducting magnets in the Large Hadron Collider (LHC) at the European Laboratory for Particle Physics, CERN will be provided by eight helium refrigerators serving...
Operation of the cryogenic system for superconducting cavities in LEP (1996)
Barranco-Luque, M, Claudet, S, Gayet, P, Solheim, N O, Winkler, G
Conceptual design of the cryogenic system for the Large Hadron Collider (LHC) (1996)
Benda, V, Bézaguet, Alain-Arthur, Casas-Cubillos, J, Claudet, S, Erdt, W K, Lebrun, P, ...