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ACTIVE PHASE SEPARATION OF HELIUM II USING POROUS MEDIA.

Author(s) : YUAN S. W. K., NAST T. C., FREDERKING T. H. K.

Type of article: Article

Summary

THE FEASIBILITY WAS INVESTIGATED OF REJECTING HEAT LOADS IN A WIDE RANGE BY CONTROLLING A VALVE DOWNSTREAM OF A POROUS MEDIUM VAPOUR-LIQUIDPHASE SEPARATION. BY MANIPULATING THE DOWNSTREAM VALVE(S), HEAT LOADS IN THE RANGE FROM 0.5 WATT TO 35 MILLIWATTS WERE EXPELLED FROM THE EXPERIMENTAL CRYOSTAT. A SEPARATE EXPERIMENT WAS CONDUCTED TO EXPLORE LIQUID BREAKTHROUGHS. BREAKTHROUGH WAS NOT DETECTED FOR THE PRESSURE DIFFERENCE HIGHER THAN 130 PASCALS IN EITHER A 2-5 MICROMETER AND A 3-10 MICROMETER STAINLESS STEEL PLUG. THIS METHOD PROVES TO BE VERY PROMISING FOR REJECTING VARIABLE HEAT RATES BY USING POROUS MEDIA AS VAPOUR-LIQUID PHASE SEPARATION.

Details

  • Original title: ACTIVE PHASE SEPARATION OF HELIUM II USING POROUS MEDIA.
  • Record ID : 1991-1438
  • 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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