Forced Two-Phase Cooling of the TPC Superconducting Solenoid

  • M. A. Green
  • J. D. Taylor
  • H. Van Slyke
  • F. Barrera
  • H. Peterson
  • C. E. Rago
  • R. J. Rinta
  • T. Talaska
  • R. D. Watt
Part of the Advances in Cryogenic Engineering book series (ACRE, volume 29)

Abstract

This paper describes the cryogenic tests of the TPC 2-meter-diameter superconducting solenoid on a 200 W refrigerator with gas-bearing turbines. The solenoid is cooled with two phase helium in forced flow around the superconducting winding. The two-phase helium was circulated using either the J-T circuit flow or a bellows type liquid helium pump. The particular problems associated with running a variable load on a gas-bearing turbine refrigerator are discussed.

Keywords

Total Heat Helium Calorimetry Cond Refrigeration 

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References

  1. 1.
    M. A. Green, et al., “The TPC Cryogenic System,” LBL-10352, UC-38 (1980).CrossRefGoogle Scholar
  2. 2.
    A. O. Dubois, et al., “PEP-4 Magnet, Basic Parameters of the Cryostat and Coil as Fabricated in 1983,” LBL Engineering Note M6018 (1983).Google Scholar
  3. 3.
    M. A. Green, et al., “Cryogenic Testing of the TPC Superconducting Solenoid,” LBL-16217 (1983).CrossRefGoogle Scholar
  4. 4.
    W. A. Burns et al., The construction and testing of a double acting bellows liquid helium pump, in “Proc. ICEC-8,” IPC Science and Technology Press, Guildford, England (1980) p. 383.Google Scholar

Copyright information

© Plenum Press, New York 1984

Authors and Affiliations

  • M. A. Green
    • 1
  • J. D. Taylor
    • 1
  • H. Van Slyke
    • 1
  • F. Barrera
    • 2
  • H. Peterson
    • 2
  • C. E. Rago
    • 2
  • R. J. Rinta
    • 2
  • T. Talaska
    • 2
  • R. D. Watt
    • 2
  1. 1.Lawrence Berkeley LaboratoryBerkeleyUSA
  2. 2.Stanford Linear Accelerator CenterStanfordUSA

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