Design of the Second Series of LHC Prototype Dipole Magnet Cryostats

  • J. C. Brunet
  • V. Parma
  • G. Peón
  • A. Poncet
  • P. Rohmig
  • B. Skoczen
  • L. R. Williams
Part of the Advances in Cryogenic Engineering book series (ACRE, volume 43)

Abstract

An initial series of six LHC 10 m long prototype dipole magnets and cryostats have been manufactured by European Industry. The assembled cryo-magnets were tested singly and connected in series in a test string at CERN between March 1994 and December 1996. During the same period, an evolution in the requirements for LHC cryogenics distribution has lead project management to adopt a seChapaute cryo-distribution line running Chapaullel to the LHC machine.1 The former standard LHC half-cell, made up of a short straight section unit and four 10 m dipoles, has been discarded and replaced with one composed of a short straight section unit and three 15 m dipoles. The new 15 m LHC dipole magnet cryostats are described. These units house the dipole magnet cold mass, which stands on three low heat in-leak support columns, and is enclosed within an actively cooled radiation screen operating at 4.5–20 K and an actively cooled thermal shield operating at 50–75 K.

Keywords

Large Hadron Collider Vacuum Vessel Superfluid Helium Support Post Thermal Shield 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1998

Authors and Affiliations

  • J. C. Brunet
    • 1
  • V. Parma
    • 1
  • G. Peón
    • 1
  • A. Poncet
    • 1
  • P. Rohmig
    • 1
  • B. Skoczen
    • 1
  • L. R. Williams
    • 1
  1. 1.European Organization for Nuclear ResearchCERNGeneva 23Switzerland

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