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MEASUREMENT OF THE TRANSIENT HEAT TRANSFER TO LIQUID HELIUM FROM A THIN METAL FILM.

Author(s) : DANIL'CHENKO B. A., POROSHIN V. N.

Type of article: Article

Summary

THE METHOD IS BASED ON THE COMPARISON OF HEAT PULSES TRANSFERRED FROM THE HEATER INTO A MONOCRYSTAL SUBSTRATE WHICH IS SURROUNDED EITHER BY VACUUM OR BY LIQUID HELIUM. THE METHOD CAN ALSO BE USED TO INVESTIGATE THE HEAT FLUX DENSITY TRANSMITTED INTO LIQUID HELIUM OVER A WIDE REGION OF THERMAL LOADS. RESULTS SHOWING THE HEAT FLUX DENSITY RADIATED FROM A COPPER HEATER INTO LIQUID HELIUM AT 3.8 K AS A FUNCTION OF THE ELECTRIC POWER FED INTO THE HEATER BY PULSES OF 200-400 NANOSECONDS DURATION ARE DEMONSTRATED.

Details

  • Original title: MEASUREMENT OF THE TRANSIENT HEAT TRANSFER TO LIQUID HELIUM FROM A THIN METAL FILM.
  • Record ID : 1984-2234
  • Languages: English
  • Source: Cryogenics - vol. 23 - n. 10
  • Publication date: 1983

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