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TECHNICAL REVIEWS OF THIN SUPERCONDUCTING MAGNETS.

[In Japanese. / En japonais.]

Author(s) : MORI S.

Type of article: Article

Summary

LARGE SUPERCONDUCTING SOLENOID MAGNETS ARE USED IN HIGH ENERGY PHYSICS EXPERIMENTS WITH COLLIDING BEAM ACCELERATORS. SINCE SOLENOIDS ARE SURROUNDED BY OTHER DETECTORS, THEY ARE REQUIRED TO BE THIN IN TERMS OF RADIATION LENGTH AND VARIOUS TECHNIQUES HAVE BEEN DEVELOPED FOR THEIR CONSTRUCTION. FIRST-LY HEAVIER MATERIALS OF SOLENOID COMPONENTS ARE SUBSTITUTED BY LIGHTER MATERIALS OF ALUMINIUM ALLOYS, AND SECONDLY THE FORCED FLOW COOLING METHOD OF TWO-PHASE HELIUM IS APPLIED SINCE THE POOL COOLING REQUIRES A SUBSTANTIALLY THICKER CRYOSTAT ARRANGEMENT. SINCE SUCH SOLENOIDS ARE NOT CRYOGENICALLY STABLE AND SINCE THEY HOLD LARGE STORED MAGNETIC ENERGIES, IT IS ESSENTIAL TO MAKE THEM INTRINSICALLY SAFE AGAINST QUENCHES. VARIOUS TECHNICAL DIFFICULTIES WITH THE CONSTRUCTION OF LARGE, THIN SUPERCONDUCTING SOLENOIDS ARE DESCRIBED.

Details

  • Original title: [In Japanese. / En japonais.]
  • Record ID : 1985-1826
  • Languages: Japanese
  • Source: Cryogenics/ Cryog. Eng. - vol. 19 - n. 6
  • Publication date: 1984
  • Document available for consultation in the library of the IIR headquarters only.

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