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Evaporative heat transfer in mesoscale heat exchangers.

Author(s) : MEHENDALE S. S., JACOBI A. M.

Summary

A test apparatus is described. Two-phase pressure drop and heat transfer data are presented for R134a in a heat exchanger consisting of an inlet manifold, 52 parallel channels, and an exit manifold. Experiments are conducted over a range of conditions, with flow rates up to 0.48 g/s, inlet qualities from 7 to 15%, and an evaporating temperature of approximately 10 °C. The heat exchanger operated with a pressure drop of less than about 8 kPa and provided a heat transfer coefficient greater than 8000 W/(m2.K).

Details

  • Original title: Evaporative heat transfer in mesoscale heat exchangers.
  • Record ID : 2001-0771
  • Languages: English
  • Source: ASHRAE Transactions. 2000 Winter Meeting, Dallas, Texas + CD-ROM.
  • Publication date: 2000
  • Document available for consultation in the library of the IIR headquarters only.

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