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LIQUID HELIUM REFRIGERATOR CONTROL.

Author(s) : DEAN J.

Type of article: Article

Summary

THE APPLICATION OF SUPERCONDUCTIVITY REQUIRES THE USE OF A LIQUID HELIUM REFRIGERATION SYSTEM TO CONTINUALLY MAINTAIN A DEVICE AT A TEMPERATURE NEAR 4 K AND ABLE TO OPERATE WITHOUT CONSTANT ATTENTION TO BE PRACTICAL. THE REFRIGERATION SYSTEM AND THE CONTROLS NECESSARY FOR UNATTENDED OPERATION ARE DISCUSSED. A STABLE CONTROL SCHEME WHERE AN INCREASE IN HEAT LOAD RAISES THE COMPRESSOR SUCTION PRESSURE, INCREASING THE COMPRESSOR FLOW RATE AND THUS INCREASING THE REFRIGERATION CAPACITY, IS DISCUSSED.

Details

  • Original title: LIQUID HELIUM REFRIGERATOR CONTROL.
  • Record ID : 1985-2259
  • Languages: English
  • Source: Cryogenics - vol. 25 - n. 2
  • Publication date: 1985

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