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Experimental study and general correlation for frictional pressure drop of two-phase flow inside microfin tubes.

Author(s) : SAKAMOTO N., UBUDIYAH H., KARIYA K., MIYARA A.

Type of article: IJR article

Summary

The adiabatic pressure drop in a microfin tube with an outside diameter of 3.5 mm was experimentally studied herein. The experiments were conducted using R1234yf as a working fluid at saturation temperatures of 20 °C and 30 °C with varying mass velocities from 50 to 300 kg m−2s−1 and vapor qualities ranging from 0.1 to 0.9. The effects of experimental conditions were analyzed and discussed with present and previous data. A new two-phase flow frictional pressure drop correlation has been developed using the data with tube diameter of 2.5–9.52 mm, mass velocity of 50–1000 kg m−2s−1, and many kinds of refrigerants. The proposed correlation predicts the experimental data of other researchers with mean deviation of 17.6%.

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Pages: 342-353

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Details

  • Original title: Experimental study and general correlation for frictional pressure drop of two-phase flow inside microfin tubes.
  • Record ID : 30030454
  • Languages: English
  • Subject: Technology
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 144
  • Publication date: 2022/12
  • DOI: http://dx.doi.org/10.1016/j.ijrefrig.2022.07.017

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