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Thermal performance of flooded evaporators. Part 2: review of void fraction, two-phase pressure drop, and flow pattern studies.

Author(s) : CASCIARO S., THOME J. R.

Summary

In two-phase flow models, the void fraction is the key parameter for predicting flow pattern transitions, heat transfer, and pressure drops and, moreover, for determining the two-phase density and viscosity and the relative average velocity of the two phases. Thus, analytical and empirical void fraction models are presented and discussed. Also, completing the review, two-phase flow patterns and flow pattern maps for flows over tube bundles are surveyed.

Details

  • Original title: Thermal performance of flooded evaporators. Part 2: review of void fraction, two-phase pressure drop, and flow pattern studies.
  • Record ID : 2002-1270
  • Languages: English
  • Source: ASHRAE Transactions. 2001 Winter Meeting, Atlanta, GA. Volume 107, part 1 + CD-ROM.
  • Publication date: 2001
  • Document available for consultation in the library of the IIR headquarters only.

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