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IIR document

FORCED CONVECTION TRANSITION BOILING OF REFRIGERANTS.

Author(s) : AURACHER H.

Type of article: Article, IJR article

Summary

TRANSITION BOILING OF A FLUID IS CHARACTERIZED BY A STOCHASTIC CHANGE BETWEEN LIQUID AND VAPOUR CONTACT ON THE HEATED WALL. A CONTROL SYSTEM FOR ELECTRICALLY HEATED TEST SECTIONS IS APPLIED TO CARRY OUT STEADY STATE TEMPERATURE CONTROLLED EXPERIMENTS. AS A TEST FLUID REFRIGERANT R114 IS USED. THE PRESSURE IS THE RELEVANT PARAMETER FOR THE HEAT FLUX IN THE TRANSITION REGION, WHEREAS THE MASS FLUX AND THE QUALITY ARE OF MINOR IMPORTANCE. HENCE, TRANSITION BOILING CAN BE CALCULATED IN A SIMILAR WAY AS NUCLEATE BOILING, NAMELY BY A SIMPLE EXPONENTIAL LAW. BASED ON A COMPARISON OF THE PRESENT RESULTS WITH DATA FROM THE LITERATURE, 2 UNIVERSAL METHODS TO PREDICT HEAT TRANSFER IN TRANSITION BOILING ARE PROPOSED.

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Pages: 329-335

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Details

  • Original title: FORCED CONVECTION TRANSITION BOILING OF REFRIGERANTS.
  • Record ID : 1989-0862
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 11 - n. 5
  • Publication date: 1988

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