CERN Accelerating science

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1.
Thermo-Mechanical Analysis of Cold Helium Injection Into Medium-Pressure (MP) Gas Storage Tanks Following Resistive Transition of a LHC Sector / Chorowski, M (CERN) ; Skoczen, Blazej
LHC-Project-Note-119.- Geneva : CERN, 1997 Fulltext: PDF;
2.
Thermo-mechanical Analysis of Cold Helium Injection into Gas Storage Tanks made of Carbon Steel Following Resistive Transition of the LHC Magnets / Chorowski, M ; Skoczen, Blazej
A resistive transition (quench) of the LHC sector magnets will be followed by cold helium venting to a quench buffer volume of 2000 m3 at ambient temperature. The volume will be composed of eight medi um-pressure (2 MPa) gas storage tanks made of carbon steel, which constrains the temperature of the wall to be higher than -50oC (223 K). [...]
LHC-Project-Report-215; CERN-LHC-Project-Report-215.- Geneva : CERN, 1998 - 5 p. Access to fulltext document: PDF;
In : 17th International Cryogenic Engineering Conference, Bournemouth, UK, 14 - 17 Jul 1998, pp.755-758 - Please contact the library if you need to access this document.
3.
Thermo - hydraulic analysis of a cryogenic jet: application to helium recovery following resistive transitions in the LHC / Chorowski, M ; Grzegory, P ; Konopka, G
A resistive transition (quench) of the LHC sector magnets will be followed by cold helium venting to a quench buffer volume of 2000 m3 at ambient temperature. The volume will be composed of eight medium-pressure (2 MPa) gas storage tanks made of carbon steel, which constrains the temperature of the wall to be higher than -50 oC (223 K). [...]
LHC-PROJECT-NOTE-191.- Geneva : CERN, 1999 - 16 p. Access to fulltext document: PDF;
4.
Analysis of thermo-mechanical pipe-strength for the LHC helium relief system and corresponding helium flows following a resistive transition of the magnets. / Chorowski, M (Wroclaw University of Technology, Poland) ; Fydrych, J (Wroclaw University of Technology, Poland) ; Riddone, G (CERN)
The LHC cryogenic system will contain of about 100 tons of helium mostly located in underground elements of the machine. The amount of helium stored in the magnet cold masses located in one sector of the LHC machine will be of about 6400 kg. [...]
LHC-Project-Note-370; CERN-LHC-Project-Note-370.- 2005 - 25 p. Access to fulltext document: PDF;
5.
Flow and Thermo-mechanical Analysis of the LHC Sector Helium Relief System / Chorowski, M ; Fydrych, J ; Riddone, G
A simultaneous resistive transition of a LHC magnet sector, which may occasionally occur, will cause rapid helium outflow from magnet cryostats to a special relief system composed of long pipes, buffer volumes and accessories. The paper presents some safety and operational aspects of this system. [...]
LHC-Project-Report-790; CERN-LHC-Project-Report-790.- Geneva : CERN, 2005 - 5 p. Access to fulltext document: PDF;
In : 20th International Cryogenic Engineering Conference and Exhibition, Beijing, China, 11 - 14 May 2004, pp.1011-1014 - Please contact the library if you need to access this document.
6.
Helium Recovery in the LHC Cryogenic System following Magnet Resistive Transitions / Chorowski, M ; Hilbert, B ; Serio, L ; Tavian, L ; Wagner, U ; Van Weelderen, R
A resistive transition (quench) of the Large Hadron Collider magnets provokes the expulsion of helium from the magnet cryostats to the helium recovery system. A high-volume, vacuum-insulated recovery line connected to several uninsulated medium-pressure gas storage tanks, forms the main constituents of the system. [...]
LHC-Project-Report-145; CERN-LHC-Project-Report-145.- Geneva : CERN, 1998 - 9 p. - Published in : Adv. Cryog. Eng., A 43 (1998) 467-474 Access to fulltext document: PDF; - Please contact the library if you need to access this document.
7.
Reception Tests of the Cryogenic Distribution line for the Large Hadron Collider / Brodzinski, K ; Chorowski, M ; Ciechanowski, M ; Fluder, C ; Fydrych, J ; Gomes, P ; Millet, F ; Piotrowska, A ; Riddone, G ; Sanmartí, M et al.
The paper describes the thermo-mechanical validation of the first sector of cryogenic distribution line (QRL) [1] [...]
LHC-PROJECT-Report-988 ; CERN-LHC-PROJECT-Report-988.
- 2007. - 5 p.
Access to fulltext document
8.
Experimental Validation of the LHC Helium Relief System Flow Modeling / Fydrych, J ; Chorowski, M ; Riddone, G
In case of simultaneous resistive transitions in a whole sector of magnets in the Large Hadron Collider, the helium would be vented from the cold masses to a dedicated recovery system. During the discharge the cold helium will eventually enter a pipe at room temperature. [...]
LHC-Project-Report-859; CERN-LHC-Project-Report-859.- Geneva : CERN, 2006 - 9 p. - Published in : AIP Conf. Proc. 823 (2006) 745-752 Access to fulltext document: PDF; External link: Published version from AIP
In : Conference on Cryogenic Engineering and on International Cryogenic Materials, Keystone, CO, USA, 29 Aug - 2 Sep 2005, pp.745-752
9.
Reliability oriented mechanical quality assurance of the LHC interconnections / Skoczen, Blazej
Geneva : CERN, 2001
In : LHC Days, Villars-sur-Ollon, Switzerland, 19 - 21 Mar 2001, pp.67-72
10.
Mechanical stability of piping systems equipped with bellows expansion / Skoczen, Blazej ; XXXX
CERN-Technical-Note-EST-ESI-97-03.
- 1997. - 16 p.
Full text

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