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HEAT TRANSFER TO LIQUID HELIUM IN THE VICINITY OF LAMBDA LINE.

[In Japanese. / En japonais.]

Author(s) : TSURUGA H., ENDO K.

Type of article: Article

Summary

HEAT TRANSFER FROM HORIZONTAL COPPER SURFACE TO LIQUID HELIUM AT NEAR THE LAMBDA LINE IS MEASURED IN THE RANGE OF SATURATED PRESSURE TO 785 KILOPASCALS. IN NUCLEATE BOILING OF HELIUM I HEAT TRANSFER AT NEAR THE LAMBDA POINT THE TEMPERATURE OF THE SURFACE INCREASES RAPIDLY IN STEP HEAT INPUT AND THEN DECREASES VERY SLOWLY TOWARD STEADY STATE. IN PRESSURIZED HELIUM II, BELOW THE CRITICAL PRESSURE, DATA AT CLOSE LAMBDA TEMPERATURE SHOW THE BEHAVIOUR OF NUCLEATE BOILING OF SUBCOOLED HELIUM I. ABOVE THE CRITICAL PRESSURE HELIUM II DATA NEAR LAMBDA TEMPERATURE SHOW TRANSITION TO BOILING CURVE DIFFERENT FROM THAT OF SUPERCRITICAL HELIUM I HEAT TRANSFER.

Details

  • Original title: [In Japanese. / En japonais.]
  • Record ID : 1986-0005
  • Languages: Japanese
  • Source: Cryogenics/ Cryog. Eng. - vol. 20 - n. 2
  • Publication date: 1985
  • Document available for consultation in the library of the IIR headquarters only.

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