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Prediction of two-phase heat transfer in horizontal multi-port microchannels using probabilistic flow regime maps.

Number: pap. n. R15, 2487

Author(s) : JASSIM E. W., NEWELL T. A., NEWELL B. E.

Summary

Flow regime based heat transfer models are developed for refrigerants in horizontal multiport microchannels under evaporation and condensation conditions utilizing probabilistic two-phase flow regime maps developed for multiport microchannels. Probabilistic flow regime map time fraction information is used to provide a physically based weighting of heat transfer models developed for different flow regimes with ease of implementation. The developed models are compared with modified large tube models found in the literature and with condensation and evaporation data for R134a and R410A in 1.58mm hydraulic diameter horizontal four port microchannels.

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Pages: 8 p.

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Details

  • Original title: Prediction of two-phase heat transfer in horizontal multi-port microchannels using probabilistic flow regime maps.
  • Record ID : 30000767
  • Languages: English
  • Source: 2010 Purdue Conferences. 13th International Refrigeration and Air-Conditioning Conference at Purdue.
  • Publication date: 2010/07/12

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