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LIQUID HELIUM LEVEL CONTROL IN ROTORS OF SUPERCONDUCTING GENERATORS.

[In Japanese. / En japonais.]

Author(s) : YOSHIMURA H.

Type of article: Article

Summary

A UNIQUE HELIUM FLOW CIRCUIT WITH POSITIONING THE MOUTH OF A LIQUID HELIUM TRANSFER TUBE UNDER HELIUM LEVEL IN THE ROTATING HELIUM POOL IS PROPOSED. THIS FLOW CIRCUIT IS EXPECTED THAT IT PROVIDES THE ABILITY TO EXTERNALLY CONTROL THE LIQUID LEVEL IN THE ROTOR BY ADJUSTING THE HELIUM SUPPLY PRESSURE. THE AUTHORS CONSTRUCTED A LARGE SCALE ROTATING CRYOSTAT TO SIMULATE A CRYOGENIC ROTOR AND TO PROVE STABLE HELIUM LEVEL CONTROL BY USE OF THIS TEST RIG. THE PAPER OUTLINES THE ROTATING CRYOSTAT AND DESCRIBES EXPERIMENTAL DATA. IT PRESENTS CALCULATION METHOD OF LIQUID HELIUM LEVEL AND COMPARISON BETWEEN CALCULATIONS AND EXPERIMENTAL DATA. THE RESULTS CONFIRMED THAT THIS HELIUM LEVEL CONTROL DEVICE IS FEASIBLE AND APPLICABLE TO THE ROTORS OF LARGE SCALE SUPERCONDUCTING GENERATORS.

Details

  • Original title: [In Japanese. / En japonais.]
  • Record ID : 1988-1745
  • Languages: Japanese
  • Source: Cryogenics/ Cryog. Eng. - vol. 22 - n. 6
  • Publication date: 1987
  • Document available for consultation in the library of the IIR headquarters only.

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