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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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Indexing
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Themes:
HCFCs;
Mass transfer;
Blends - Keywords: R407C; Heat transfer coefficient; Measurement; Heat transfer; Bare pipe; R22; Substitute; Flow; Refrigerant; Condensation; Pressure drop
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