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A general correlation to predict the flow boiling heat transfer of R410a in macro/mini-channels.

Number: pap. 2392

Author(s) : CHIEN N. B., VU P. Q., CHOI K. I., et al.

Summary

This study demonstrated a general correlation to predict the saturated flow boiling heat transfer of R410A in horizontal macro and mini-channels. The experimental data were observed in various tube diameters of 1.5, 3.0, 6.61 and 7.49mm, mass fluxes of 100 –600 kW m-2s-1 heat fluxes of 10 –40 kW m-2, saturation temperature of 5–15°C and vapor quality from 0.2 to 1. The database was compared with numerous well-known correlations. The proposed correlation was based on the superposition model of nucleate boiling and force convective boiling contribution. The new modified correlation showed a good prediction against our database.

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Pages: 7 p.

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Details

  • Original title: A general correlation to predict the flow boiling heat transfer of R410a in macro/mini-channels.
  • Record ID : 30013380
  • Languages: English
  • Source: 2014 Purdue Conferences. 15th International Refrigeration and Air-Conditioning Conference at Purdue.
  • Publication date: 2014/07/14

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