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DESIGN AND OPERATING CHARACTERISTICS OF AN OPEN CYCLE COOLING SYSTEM FOR SUPERCONDUCTING HIGH SPEED ELECTRONICS.

Author(s) : HOHENWARTER G. K. G., GRANGE J. A., HANSON E. R.

Type of article: Article

Summary

THE PAPER DESCRIBES A LIQUID HELIUM COOLING SYSTEM DEVELOPED FOR NIOBIUM-BASED SUPERCONDUCTING CIRCUITS. IT FEATURES DELIVERY OF CRYOGEN AND VENTING OF WASTE GAS THROUGH A COAXIAL TRANSFER LINE ASSEMBLY. THE ELECTRONIC CIRCUITS, INCLUDING THEIR ROOM TEMPERATURE INTERFACES, ARE LOCATED IN A SEPARABLE MODULE. THEY ARE LINKED WITH THE TRANSFER LINE BY ELECTRICAL AND CRYOGENIC CONNECTORS. THE CRYOGEN FLOW IS CONTROLLED VIA THE SUPPLY DEWAR PRESSURE. A LOW THERMAL MASS OF THE SYSTEM COMPONENTS RESULTS IN RAPID COOLDOWNS WITH TIMES TO 4.2 K BELOW A MINUTE. STEADY STATE HELIUM CONSUMPTION IS APPROXIMATEY07 L/H FOR SINGLE CHANNEL, AND 1 L/H FOR DUAL CHANNEL PLUG-IN MODULES.

Details

  • Original title: DESIGN AND OPERATING CHARACTERISTICS OF AN OPEN CYCLE COOLING SYSTEM FOR SUPERCONDUCTING HIGH SPEED ELECTRONICS.
  • Record ID : 1992-0097
  • Languages: English
  • Source: Adv. cryog. Eng. - vol. 35 A
  • Publication date: 1990
  • Document available for consultation in the library of the IIR headquarters only.

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