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An investigation on flow condensation of R22 and R407C in a horizontal smooth tube.

Author(s) : SHAO D. W., GRANRYD E.

Summary

The paper reports the results of flow pattern, heat transfer and pressure drop from the tests with R22 as well as R407C in a horizontal condensing tube. A comparison is made based on the same heat flux from the application point of view. It shows that the pressure drop of R407C is decreased by approximately 40% compared with R22; the heat transfer coefficients of R22 and R407C are similar at a larger heating capacity (heat flux higher than 9 kilowatts/m2), but R407C has a lower heat transfer coefficient than R22 at lower heat flux.

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Pages: 527-534

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Details

  • Original title: An investigation on flow condensation of R22 and R407C in a horizontal smooth tube.
  • Record ID : 1996-1513
  • Languages: English
  • Source: For a Better Quality of Life. 19th International Congress of Refrigeration.
  • Publication date: 1995/08/20
  • Document available for consultation in the library of the IIR headquarters only.

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