IIR document

Heat transfer and pressure drop during evaporation and condensation of R134a inside microfin tubes of new design.

Author(s) : COLOMBO L., MUZZIO A., NIRO A.

Summary

This paper reports on average heat transfer coefficients and pressure drops of oil-free R134a in flow-boiling and convective-condensation inside microfin tubes with a new cross-section profile. Data obtained for a smooth tube are also reported for comparison. All tubes had the same outside diameter of 9.52 mm; they were horizontally operated and heated/cooled by a water stream.

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Pages: 2005-3

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Details

  • Original title: Heat transfer and pressure drop during evaporation and condensation of R134a inside microfin tubes of new design.
  • Record ID : 2006-0601
  • Languages: English
  • Source: Commercial Refrigeration. Thermophysical Properties and Transfer Processes of Refrigerants. Proceedings of the IIR International Conferences.
  • Publication date: 2005/08/02

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