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A PARAMETRIC STUDY OF BOILING HEAT TRANSFER IN A HORIZONTAL TUBE BUNDLE.

Author(s) : JENSEN M. K., HSU J. T.

Type of article: Article

Summary

BOILING HEAT TRANSFER OUTSIDE OF A SECTION OF A UNIFORMLY HEATED HORIZONTAL TUBE BUNDLE IN AN UPWARD CROSSFLOW WAS INVESTIGATED USING R113 AS THE WORKING FLUID. THE INLINE TUBE BUNDLE HAD 5 COLUMNS AND 27 ROWS WITH A PITCH-TO-DIAMETER RATIO OF 1.3. HEAT TRANSFER COEFFICIENTS OBTAINED FROM THE 14 INSTRUMENTED TUBES ARE REPORTED FOR A RANGE OF FLUID AND FLOW CONDITIONS ; SLIGHTLY SUBCOOLED LIQUID INLET CONDITIONS WERE USED. AT MOST HEAT FLUXES THERE WAS NO SIGNIFICANT VARIATION IN THE LOCAL HEAT TRANSFER COEFFICIENTS THROUGHOUT THE TUBE BUNDLE. HOWEVER, AT LOW HEAT FLUXES AND MASS VELOCITIES, THE HEAT TRANSFER COEFFICIENT INCREASED AT POSITIONS HIGHER IN THE TUBE BUNDLE.

Details

  • Original title: A PARAMETRIC STUDY OF BOILING HEAT TRANSFER IN A HORIZONTAL TUBE BUNDLE.
  • Record ID : 1989-1758
  • Languages: English
  • Source: J. Heat Transf. - vol. 110 - n. 4A
  • Publication date: 1988
  • Document available for consultation in the library of the IIR headquarters only.

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