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Heat transfer coefficients of HFC refrigerants during condensation at high temperature inside an enhanced tube.

Author(s) : CAVALLINI A., CENSI G., DEL COL D., et al.

Summary

Experimental heat transfer coefficients during condensation of R134a and R407C in a microfin tube are reported. Heat transfer measurements are compared against performance of an equivalent smooth tube under the same operating conditions, to show advantages of the microfin tube. Comparisons with three models available in the literature are reported for the two fluids. For the zeotropic mixture R407C, a suitable correction is used in the heat transfer prediction procedure valid for pure fluids.

Details

  • Original title: Heat transfer coefficients of HFC refrigerants during condensation at high temperature inside an enhanced tube.
  • Record ID : 2003-1199
  • Languages: English
  • Source: 2002 Purdue conferences. 2002 compressor engineering & refrigeration and air conditioning conferences at Purdue [CD-ROM].
  • Publication date: 2002/07/16
  • Document available for consultation in the library of the IIR headquarters only.

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