CRYOGENIC OPERATION AND TEST RESULTS FOR BNL BUILT LHC INSERTION MAGNETS.

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The D1 and D2 magnets, the first two types of magnets Brookhaven National Laboratory (BNL) is building for the Insertion Regions of Large Hadron Collider (LHC), are being constructed and tested in the BNL magnet test facility. The D1 magnet is cooled using 4.5 K forced flow cooling with three types of bore tube conditions. The D2 magnet is cooled using both liquid helium and forced flow cooling. The liquid cooling scheme, using the shell of the D2 cold mass as the helium vessel and a level gauge in the end volume of the cold mass for liquid control, has ... continued below

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4 pages

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WU,K.C.; ANERELLA,M.; COZZOLINO,J.; GANETIS,G.; GHOSH,A.; GUPTA,R. et al. July 22, 2002.

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Description

The D1 and D2 magnets, the first two types of magnets Brookhaven National Laboratory (BNL) is building for the Insertion Regions of Large Hadron Collider (LHC), are being constructed and tested in the BNL magnet test facility. The D1 magnet is cooled using 4.5 K forced flow cooling with three types of bore tube conditions. The D2 magnet is cooled using both liquid helium and forced flow cooling. The liquid cooling scheme, using the shell of the D2 cold mass as the helium vessel and a level gauge in the end volume of the cold mass for liquid control, has been successfully demonstrated. Test results prove that both D1 and D2 meet the performance requirements and that the 4.5 K liquid cooling scheme to be used for D2 and other magnets in the Insertion Regions of LHC is adequate.

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4 pages

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  • ICEC19 INTERNATIONAL CRYOGENIC ENGINEERING COMMITTEE CONFERENCE, GRENOBLE (FR), 07/22/2002--07/26/2002

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  • Report No.: BNL--69315
  • Grant Number: AC02-98CH10886
  • Office of Scientific & Technical Information Report Number: 799477
  • Archival Resource Key: ark:/67531/metadc737413

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  • July 22, 2002

Added to The UNT Digital Library

  • Oct. 19, 2015, 7:39 p.m.

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  • Nov. 7, 2016, 3:43 p.m.

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WU,K.C.; ANERELLA,M.; COZZOLINO,J.; GANETIS,G.; GHOSH,A.; GUPTA,R. et al. CRYOGENIC OPERATION AND TEST RESULTS FOR BNL BUILT LHC INSERTION MAGNETS., article, July 22, 2002; Upton, New York. (digital.library.unt.edu/ark:/67531/metadc737413/: accessed September 26, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.