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CHARACTERISTICS OF POOL BOILING HEAT TRANSFER IN THE VICINITY OF THE CRITICAL HEAT FLUX POINT. THE RELATIONS BETWEEN BUBBLE MOTION AND HEAT FLUX FLUCTUATION.

[In Japanese. / En japonais.]

Author(s) : HARAMURA Y.

Type of article: Article

Summary

IN ORDER TO STUDY THE MECHANISM OF CRITICAL HEAT FLUX OF POOL BOILING, MEASUREMENT OF THE HEAT FLUX FLUCTUATION AND HIGH SPEED PHOTOGRAPHIC OBSERVATION WAS CARRIED OUT SIMULTANEOUSLY. WHEN THE SURFACE IS COVERED BY A COALESCED BUBBLE, HEAT FLUX INCREASES BECAUSE EVAPORATION IS ENHANCED. THE HEAT FLUX DECREASES EITHER WHILE THE SURFACE IS COVERED BY A COALESCED BUBBLE DUE TO DRYOUT OF THE LIQUID ON THE SURFACE, OR JUST AFTER NUCLEATION BEGINS. HEAT APPLIED FROM THE TIME THE SURFACE IS COVERED BY A BUBBLE UNTIL THE TIME HEAT FLUX BEGINS TO DECREASE DOES NOT VARY WIDELY. (JSME INT. J. , SER. II, JP., 31, N 1, 1988/02, 187.

Details

  • Original title: [In Japanese. / En japonais.]
  • Record ID : 1988-1784
  • Languages: Japanese
  • Source: Trans. JSME, B - vol. 53 - n. 490.
  • Publication date: 1988
  • Document available for consultation in the library of the IIR headquarters only.

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