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Condensation heat transfer of HCFC22 and HFC134a outside a bundle of horizontal low finned tubes.
Summary
The paper presents original, experimental data for the condensation heat transfer coefficient of the currently used refrigerant R22 and the alternative R134a. Measurements were performed on a staggered finned tube bundle to determine the effect of condensate inundation with negligible vapour shear effect. The results were then obtained and compared with the models available in the literature. Finally, the heat transfer performance of the two refrigerants were compared in an attempt to provide guidelines for condenser design using the alternative R134a refrigerant.
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Pages: p 635-642
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Details
- Original title: Condensation heat transfer of HCFC22 and HFC134a outside a bundle of horizontal low finned tubes.
- Record ID : 1995-2162
- Languages: English
- Source: CFCs, the Day After.
- Publication date: 1994/09/21
- Document available for consultation in the library of the IIR headquarters only.
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Indexing
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Themes:
HCFCs;
HFCs;
Mass transfer - Keywords: R134a; Horizontal tube; Heat transfer coefficient; Measurement; Heat transfer; Battery; R22; Condensation
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Flow condensation heat transfer coefficients (H...
- Author(s) : JUNG D., CHO Y., KIM S.
- Date : 2003/08/17
- Languages : English
- Source: 21st IIR International Congress of Refrigeration: Serving the Needs of Mankind.
- Formats : PDF
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Flow boiling in horizontal tubes: new results f...
- Author(s) : WOJTAN L., THOME J. R.
- Date : 2003/08/17
- Languages : English
- Source: 21st IIR International Congress of Refrigeration: Serving the Needs of Mankind.
- Formats : PDF
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Condensation of R134a on enhanced tubes.
- Author(s) : CHENG W. Y., WANG C. C.
- Date : 1994
- Languages : English
- Source: ASHRAE Transactions 1994.
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CONDENSATION OF REFRIGERANTS ON HORIZONTAL FINN...
- Author(s) : CAVALLINI A., LONGO G. A., ROSSETTO L.
- Date : 1991/08/10
- Languages : English
- Source: New challenges in refrigeration. Proceedings of the XVIIIth International Congress of Refrigeration, August 10-17, 1991, Montreal, Quebec, Canada.
- Formats : PDF
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Condensation of pure refrigerants inside a hori...
- Author(s) : KOYAMA S., HARAGUCHI H., FUJII T.
- Date : 1995/10/04
- Languages : English
- Source: Heat transfer in condensation. Proceedings of the Eurotherm Seminar 47.
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