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HEAT TRANSFER CHARACTERISTICS IN TWO-PHASE CLOSED CONVECTIONAL AND CONCENTRIC ANNULAR THERMOSIPHONS.

Author(s) : FAGHRI A., CHEN M. M., MORGAN M.

Type of article: Article

Summary

THE HEAT TRANSFER IN THE CONDENSER SECTIONS OF CONVENTIONAL AND ANNULAR TWO-PHASE CLOSED THERMOSIPHON TUBES HAS BEEN STUDIED. THE RESULTS OF A SERIES OF EXPERIMENTS ON THE FLOODING PHENOMENA OF THE SAME THERMOSIPHONS ARE REPORTED. R113 AND ACETONE WERE USED AS WORKING FLUIDS. AN IMPROVED CORRELATION WAS DEVELOPED TO PREDICT THE PERFORMANCE LIMITS OF CONVENTIONAL THERMOSIPHONS. THE PREDICTION OF THE THEORETICAL NUSSELT NUMBER FOR THE SITUATIONS ASSOCIATED WITH MEASURED HEAT TRANSFER COEFFICIENTS IN THE CONDENSER SECTION INDICATED THAT THE EFFECT OF INTERFACIAL SHEAR ON THE FILM FLOW IS SMALL.

Details

  • Original title: HEAT TRANSFER CHARACTERISTICS IN TWO-PHASE CLOSED CONVECTIONAL AND CONCENTRIC ANNULAR THERMOSIPHONS.
  • Record ID : 1990-1854
  • Languages: English
  • Source: J. Heat Transf. - vol. 111 - n. 3
  • Publication date: 1989
  • Document available for consultation in the library of the IIR headquarters only.

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